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engine blocks at gm parts now
Shift into savings when you shop GM Performance Parts at GMPartsNow.com. Engines, engine blocks, transmission, Connect & Cruise Systems and other GM Performance Original Equipment Parts are built with advanced technology, innovative design and top performance strength. From city driving to the drag strip, GM Performance Parts are built to last. GM Powertrain and Performance Parts from GM Parts Now are Original Equipment Parts designed to perfectly fit your specific year, make and model. GM Parts Now has all the parts you need to get your engine and vehicle running smooth. If you want even more power, GM Performance Parts and Engines are here to take your ride to the next level. 

The Connect and Cruise Powertrain Systems provide engine and transmission combinations that include specifically calibrated controllers and wire harnesses designed for retrofit installations in older vehicles. Click here to learn more about Connect and Cruise. New technologies combined with classic combinations makes for more choices for you, the driver! Genuine GM Performance Parts from GM Parts Now are designed to bring your vehicle to the next level. 

Not seeing your part on our site? We can help! Don’t hesitate to contact us with any questions to ensure the right application for your GM vehicle. We’re available to assist you M-F from 8am - 5pm EST through chat or be calling (866) 530-5911 or after hours via email support@gmpartsnow.com. The parts team proudly maintains one of the largest GM parts inventories in the Midwest which makes it possible to ship most parts same day as they are ordered.

Engine Block
Part Number: 96814876
Other Names: Cylinder Block More Names
Description: Without eng. block heater. Aveo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Chevrolet:
    • Aveo,
    • Aveo5
MSRP $867.84
$716.84
MSRP $867.84
$716.84
Engine Block Heater
Part Number: 12664613
Other Names: F (S)Heater More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $73.70
$51.25
MSRP $73.70
$51.25
Engine Block Heater
Part Number: 12586687
Other Names: Block Heater More Names
Description: Express, savana. 5.3, 6.2L, engine block. Silverado, sierra. CTS. Malibu. 2.7L turbo, engine block. 4.3L, engine block. 3.0L diesel,... More Info
Fits:
  • Buick:
    • Encore GX,
    • Envision
  • Cadillac:
    • CTS,
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Express 2500,
    • Express 3500,
    • Malibu,
    • Silverado 1500,
    • Silverado 1500 LD
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500
  • 8 more
MSRP $69.28
$48.18
MSRP $69.28
$48.18
Engine Block Heater
Part Number: 84983533
Other Names: Engine Heater More Names
Description: Help ease cold-weather starts with an Engine Block Heater. Includes the block heater harness, heating element, wall plug heater cord,... More Info
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
MSRP $195.00
$169.65
MSRP $195.00
$169.65
Engine Block Heater
Part Number: 12587380
Other Names: Block Heater More Names
Description: CTS. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Cadillac:
    • CTS
MSRP $48.79
$33.93
MSRP $48.79
$33.93
Engine Block Plug
Part Number: 97352537
Other Names: Engine Expansion Plug More Names
Description: Location-Engine Block. M10x10. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Chevrolet:
    • Silverado 3500 HD
MSRP $7.18
$5.10
MSRP $7.18
$5.10
Engine Block Heater
Part Number: 84916467
Other Names: Engine Heater More Names
Description: Help ease cold-weather starts with an Engine Block Heater. Includes the block heater harness, heating element, wall plug heater cord,... More Info
Fits:
  • Chevrolet:
    • Suburban,
    • Tahoe
  • GMC:
    • Yukon,
    • Yukon XL
MSRP $195.00
$169.65
MSRP $195.00
$169.65
Engine Block Valley Cover
Part Number: 12610141
Other Names: Valley Pan Gasket More Names
Replaces: 12574467
Description: Gasket. Exc.Cylinder Deactivation. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Cadillac:
    • CTS,
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Camaro,
    • Colorado,
    • Corvette,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • LCF 3500,
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • SS,
    • SSR,
    • Suburban 2500,
    • Suburban 3500 HD,
    • Tahoe,
    • Trailblazer
  • GMC:
    • Canyon,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H3,
    • H3T
  • Pontiac:
    • G8,
    • GTO
  • 29 more
MSRP $69.64
$48.42
MSRP $69.64
$48.42
Engine Block Heater Relay
Part Number: 97371489
Other Names: Relay More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $246.40
$165.73
MSRP $246.40
$165.73
Engine Block Valley Cover
Part Number: 12693081
Other Names: Valley Pan Gasket More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Express 2500,
    • Express 3500,
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban,
    • Tahoe
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL
  • 11 more
MSRP $12.75
$9.09
MSRP $12.75
$9.09
Engine Block Oil Gallery Plug
Part Number: 444660
Other Names: F (S)Plug More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $5.75
$4.10
MSRP $5.75
$4.10
Engine Block Oil Gallery Plug
Part Number: 97329617
Other Names: Plug More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $8.19
$5.84
MSRP $8.19
$5.84
Engine Block Valley Cover Gasket
Part Number: 12558178
Other Names: Valley Pan Gasket More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Buick:
    • Rainier
  • Cadillac:
    • CTS,
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Avalanche 1500,
    • Camaro,
    • Corvette,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Silverado 1500 HD,
    • Silverado 1500 HD Classic,
    • Silverado 2500,
    • Silverado 2500 HD,
    • Silverado 2500 HD Classic,
    • Silverado 3500,
    • Silverado 3500 Classic,
    • SSR,
    • Suburban 1500,
    • Suburban 2500,
    • Tahoe,
    • Trailblazer EXT
  • GMC:
    • Envoy XL,
    • Envoy XUV,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sierra 1500 HD,
    • Sierra 1500 HD Classic,
    • Sierra 2500,
    • Sierra 2500 HD,
    • Sierra 2500 HD Classic,
    • Sierra 3500,
    • Sierra 3500 Classic,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H2
  • Pontiac:
    • Firebird,
    • GTO
  • 40 more
MSRP $39.42
$28.09
MSRP $39.42
$28.09
Engine Block Oil Gallery Plug
Part Number: 11611991
Other Names: Plug More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $3.98
$2.84
MSRP $3.98
$2.84
Engine Block Core Hole Plug
Part Number: 96180730
Other Names: Engine Expansion Plug More Names
Description: Location-Engine Block. All Required. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Chevrolet:
    • Aveo,
    • Aveo5,
    • Cruze
MSRP $4.91
$3.50
MSRP $4.91
$3.50
Engine Block Core Hole Plug
Part Number: 12855196
Other Names: Engine Expansion Plug More Names
Description: Location-Engine Block. 30mm. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Chevrolet:
    • Cruze
MSRP $3.97
$2.83
MSRP $3.97
$2.83
Engine Block Core Hole Plug
Part Number: 96802618
Other Names: Engine Expansion Plug More Names
Description: Location-Engine Block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Chevrolet:
    • Spark
MSRP $3.32
$2.36
MSRP $3.32
$2.36
Engine Block Valley Cover Gasket
Part Number: 12694737
Other Names: Engine Crankcase Vent Valve Seal More Names
Description: Manufactured to GM OE specification for fit, form, and function More Info
Fits:
  • Chevrolet:
    • Corvette
MSRP $9.99
$7.13
MSRP $9.99
$7.13
Engine Block Oil Gallery Plug
Part Number: 12625373
Other Names: Engine Expansion Plug More Names
Description: Location-Engine Block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Chevrolet:
    • Colorado,
    • Express 2500,
    • Express 3500
  • GMC:
    • Canyon,
    • Savana 2500,
    • Savana 3500
  • 1 more
MSRP $5.96
$4.25
MSRP $5.96
$4.25
Engine Block Core Hole Plug
Part Number: 12855195
Other Names: Engine Expansion Plug More Names
Description: Location-Engine Block. 25mm. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Chevrolet:
    • Cruze
MSRP $3.85
$2.74
MSRP $3.85
$2.74
Engine Block Oil Gallery Plug
Part Number: 03701638
Other Names: Engine Expansion Plug More Names
Description: Location-Engine Block. 1/2". This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Chevrolet:
    • Express 1500,
    • Express 2500
  • GMC:
    • Savana 1500,
    • Savana 2500
MSRP $3.32
$2.36
MSRP $3.32
$2.36
Engine Block Core Hole Plug
Part Number: 19317698
Other Names: Engine Expansion Plug More Names
Description: Location-Engine Block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Chevrolet:
    • City Express
MSRP $3.51
$2.50
MSRP $3.51
$2.50
Engine Block Core Hole Plug
Part Number: 12855194
Other Names: Engine Expansion Plug More Names
Description: Location-Engine Block. 20mm. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Chevrolet:
    • Cruze
MSRP $3.85
$2.74
MSRP $3.85
$2.74
Engine Block Valley Cover Port Seal
Part Number: 12610160
Other Names: Valley Pan Gasket More Names
Replaces: 12574886
Description: Seal. Exc.Cylinder Deactivation. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Cadillac:
    • CTS,
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Camaro,
    • Colorado,
    • Corvette,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • LCF 3500,
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • SS,
    • SSR,
    • Suburban 2500,
    • Suburban 3500 HD,
    • Tahoe,
    • Trailblazer
  • GMC:
    • Canyon,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H3,
    • H3T
  • Pontiac:
    • G8,
    • GTO
  • 29 more
MSRP $6.31
$4.49
MSRP $6.31
$4.49
LS7 Bare Engine Block Hole Plug
Part Number: 09427693
Other Names: Engine Expansion Plug More Names
Description: 5/8". Location-Engine Block. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Buick:
    • Century,
    • Encore,
    • Envision,
    • LaCrosse,
    • Rainier,
    • Regal,
    • Regal Sportback,
    • Regal TourX,
    • Rendezvous,
    • Terraza
  • Cadillac:
    • ATS,
    • CT4,
    • CT6,
    • CTS,
    • Escalade,
    • Escalade ESV,
    • Escalade EXT,
    • XT5,
    • XTS
  • Chevrolet:
    • Avalanche,
    • Avalanche 1500,
    • Blazer,
    • Camaro,
    • Caprice,
    • Colorado,
    • Corvette,
    • Cruze,
    • Equinox,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • Impala,
    • LCF 3500,
    • Lumina,
    • Malibu,
    • Malibu Limited,
    • Monte Carlo,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Silverado 1500 HD,
    • Silverado 1500 HD Classic,
    • Silverado 2500,
    • Silverado 2500 HD,
    • Silverado 2500 HD Classic,
    • Silverado 3500,
    • Silverado 3500 Classic,
    • Silverado 3500 HD,
    • Spark,
    • SS,
    • SSR,
    • Suburban 1500,
    • Suburban 2500,
    • Suburban 3500 HD,
    • Tahoe,
    • Trailblazer,
    • Trailblazer EXT,
    • Traverse,
    • Trax,
    • Uplander,
    • Volt
  • GMC:
    • Acadia,
    • Canyon,
    • Envoy,
    • Envoy XL,
    • Envoy XUV,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sierra 1500 HD,
    • Sierra 1500 HD Classic,
    • Sierra 2500,
    • Sierra 2500 HD,
    • Sierra 2500 HD Classic,
    • Sierra 3500,
    • Sierra 3500 Classic,
    • Sierra 3500 HD,
    • Terrain,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H2,
    • H3,
    • H3T
  • Oldsmobile:
    • Bravada
  • Pontiac:
    • Firebird,
    • G6,
    • G8,
    • Grand Prix,
    • GTO,
    • Montana,
    • Torrent
  • Saturn:
    • Aura,
    • Relay,
    • Vue
  • 91 more
MSRP $6.37
$4.54
MSRP $6.37
$4.54
Engine Block Coolant Drain Hole Plug
Part Number: 90537623
Other Names: Plug More Names
Replaces: 12586573
Description: 2.2 & 2.4L, 2.2L. Sedan,. Coupe, 2.2L. 2.0L supercharged. 2.0L turbocharged. 2.2L, 2005. This GM Genuine Part is designed, engineered,... More Info
Notes: Included with Water pump assembly. More Notes
Fits:
  • Chevrolet:
    • Captiva Sport,
    • Cobalt,
    • HHR
  • Pontiac:
    • Grand Am,
    • Solstice
  • Saturn:
    • Ion,
    • L100,
    • L200,
    • L300,
    • LS,
    • LS1,
    • LW1,
    • LW200,
    • Sky,
    • Vue
  • 10 more
MSRP $7.19
$5.13
MSRP $7.19
$5.13
Engine Block Heater, Z71\\/AT4 Models
Part Number: 84983534
Other Names: Engine Heater More Names
Description: Help ease cold-weather starts with an Engine Block Heater. Includes the block heater harness, heating element, wall plug heater cord,... More Info
Fits:
  • Chevrolet:
    • Suburban,
    • Tahoe
  • GMC:
    • Yukon,
    • Yukon XL
MSRP $195.00
$169.65
MSRP $195.00
$169.65
Engine Block Heater, Z71/AT4 Models
Part Number: 85515803
Other Names: Heater Kit More Names
Description: Help ease cold-weather starts with an Engine Block Heater. Includes the block heater harness, heating element, wall plug heater cord,... More Info
Fits:
  • Chevrolet:
    • Suburban,
    • Tahoe
  • GMC:
    • Yukon,
    • Yukon XL
MSRP $300.00
$261.00
MSRP $300.00
$261.00
Engine Block Valley Cover Port Seal
Part Number: 12637102
Other Names: Valley Pan Gasket More Names
Description: Cylinder 6 Control Channel Seal. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Chevrolet:
    • Silverado 1500
  • GMC:
    • Sierra 1500
MSRP $5.97
$4.24
MSRP $5.97
$4.24
Engine Block Valley Cover Port Seal
Part Number: 12637088
Other Names: Valley Pan Gasket More Names
Description: Cylinder 3 Control Channel Seal. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Chevrolet:
    • Silverado 1500
  • GMC:
    • Sierra 1500
MSRP $6.01
$4.28
MSRP $6.01
$4.28
Engine Compartment Fuse Block
Part Number: 84499606
Options: Rear
Other Names: Junction Block More Names
Replaces: 13358924, 20914309, 25918134
Description: Primary. Conventional. Rear compartment. Engine compartment. all. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
Fits:
  • Buick:
    • LaCrosse,
    • Regal
  • Cadillac:
    • ATS,
    • XTS
  • Chevrolet:
    • Malibu,
    • Malibu Limited
  • 1 more
MSRP $86.95
$60.46
MSRP $86.95
$60.46
Engine Compartment Fuse Block
Part Number: 84509531
Other Names: Junction Block More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Chevrolet:
    • Equinox
  • GMC:
    • Terrain
MSRP $123.37
$83.68
MSRP $123.37
$83.68
Engine Compartment Fuse Block
Part Number: 84704983
Options: Right
Other Names: Junction Block More Names
Description: Engine compartment. 4.2l twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Cadillac:
    • CT6
MSRP $107.70
$73.07
MSRP $107.70
$73.07
Engine Compartment Fuse Block
Part Number: 84516217
Other Names: F (S)Block More Names
Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed... More Info
Fits:
  • Cadillac:
    • XT6
  • GMC:
    • Acadia
MSRP $109.54
$74.30
MSRP $109.54
$74.30
Engine Long Block Assembly
Part Number: 12694451
Other Names: Engine More Names
Replaces: 12670139, 12684742
Description: Cruze. Encore. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors . More Info
Fits:
  • Buick:
    • Encore
  • Chevrolet:
    • Cruze,
    • Trax
MSRP $3,830.51
$3,447.46
MSRP $3,830.51
$3,447.46
Engine Wiring Harness Junction Block
Part Number: 15864349
Other Names: Junction Block More Names
Description: Junction block, under hood, 3.5 & 3.9L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Chevrolet:
    • Malibu
MSRP $403.13
$271.15
MSRP $403.13
$271.15
Engine Wiring Harness Junction Block
Part Number: 15896994
Other Names: Fuse & Relay Box More Names
Description: Engine compartment, 3.0L, without hid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Cadillac:
    • SRX
MSRP $353.78
$208.73
MSRP $353.78
$208.73
Engine Wiring Junction Block Connector
Part Number: 19115658
Other Names: Connector More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $26.16
$18.64
MSRP $26.16
$18.64
Engine Wiring Harness Junction Block
Part Number: 19209792
Options: Left, Right
Other Names: Mini Fuse More Names
Description: Instrument panel passenger side. 10 amp. Engine compartment. micro 2-blade 10 amp. Instrument panel. micro 2-blade 10 amp. Engine... More Info
Notes: Included with junction block. Included with fuse & relay box. Order by description. More Notes
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Silverado 1500,
    • Silverado 1500 LD,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban,
    • Tahoe
  • GMC:
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL
  • 8 more
MSRP $3.28
$2.05
MSRP $3.28
$2.05
Engine Wiring Harness Junction Block
Part Number: 19209790
Options: Left, Right
Other Names: Mini Fuse More Names
Description: Engine compartment. 5 amp. Instrument panel passenger side. 5 amp. Instrument panel. micro 2-blade 5 amp. This GM Genuine Part is... More Info
Notes: Included with fuse & relay box. Order by description. More Notes
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Silverado 1500,
    • Silverado 1500 LD,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban,
    • Tahoe
  • GMC:
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL
  • 8 more
MSRP $1.89
$1.35
MSRP $1.89
$1.35
Engine Wiring Harness Junction Block
Part Number: 19210439
Other Names: Junction Block More Names
Replaces: 15910898, 25815388
Description: Engine compartment, with 6.6L diesel. This part requires programming and/or special setup procedures GM Service Information describes... More Info
Notes: Order by description. More Notes
Fits:
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
MSRP $323.45
$217.56
MSRP $323.45
$217.56
Engine Wiring Harness Junction Block
Part Number: 19210436
Other Names: Junction Block More Names
Replaces: 15092625
Description: Engine compartment. This part requires programming and/or special setup procedures GM Service Information describes the procedures and... More Info
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Avalanche,
    • Suburban 1500,
    • Suburban 2500,
    • Tahoe
  • GMC:
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • 5 more
MSRP $450.79
$303.20
MSRP $450.79
$303.20
Engine Wiring Harness Junction Block
Part Number: 19210437
Other Names: Block More Names
Replaces: 15925042
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $439.39
$295.53
MSRP $439.39
$295.53
Engine Wiring Harness Junction Block
Part Number: 84168215
Other Names: F (S)Block More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $322.40
$216.85
MSRP $322.40
$216.85
Engine Wiring Harness Junction Block
Part Number: 84144337
Other Names: Fuse & Relay Box More Names
Replaces: 22996872, 23411473
Description: Hybrid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Notes: Order by description. More Notes
Fits:
  • Chevrolet:
    • Malibu
MSRP $215.86
$145.19
MSRP $215.86
$145.19
Engine Wiring Harness Junction Block
Part Number: 84144635
Other Names: F (S)Block More Names
Replaces: 23316253, 23411474
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $199.84
$134.41
MSRP $199.84
$134.41
Engine Wiring Harness Junction Block
Part Number: 84144335
Other Names: F (S)Block More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $201.55
$135.56
MSRP $201.55
$135.56
Engine Wiring Harness Junction Block
Part Number: 25865467
Other Names: Fuse & Relay Box More Names
Replaces: 25821690, 25821691
Description: Engine compartment. This part requires programming and/or special setup procedures GM Service Information describes the procedures and... More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DTS
MSRP $512.72
$302.50
MSRP $512.72
$302.50
Engine Wiring Harness Junction Block
Part Number: 84014017
Other Names: Fuse & Relay Box More Names
Replaces: 23218146
Description: Sedan, engine compartment, 2.5 & 2.0L, without hid lamps. This GM Genuine Part is designed, engineered, and tested to rigorous standards... More Info
Fits:
  • Cadillac:
    • ATS
MSRP $169.83
$114.25
MSRP $169.83
$114.25
Engine Wiring Harness Junction Block
Part Number: 20934802
Other Names: Fuse & Relay Box More Names
Description: Engine compartment, 3.6L, without hid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Cadillac:
    • SRX
MSRP $374.28
$220.83
MSRP $374.28
$220.83
Engine Wiring Harness Junction Block
Part Number: 42624875
Other Names: Fuse & Relay Box More Names
Description: Engine compartment. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Buick:
    • Encore
  • Chevrolet:
    • Trax
MSRP $161.97
$108.94
MSRP $161.97
$108.94
Engine Wiring Harness Junction Block
Part Number: 20822694
Other Names: Block More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $318.20
$187.74
MSRP $318.20
$187.74
Engine Wiring Harness Junction Block
Part Number: 15115618
Other Names: Block More Names
Replaces: 15177120
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Backordered
Backordered
Engine Wiring Harness Junction Block
Part Number: 23436802
Other Names: Fuse & Relay Box More Names
Replaces: 23436807
Description: Without hid headlamps, without tow pkg. More Info
Fits:
  • GMC:
    • Acadia
Backordered
Backordered
Engine Wiring Harness Junction Block
Part Number: 25882989
Other Names: Junction Block More Names
Replaces: 15838750
Description: Junction block, under hood, 2.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Chevrolet:
    • Malibu
MSRP $445.22
$299.45
MSRP $445.22
$299.45
Engine Wiring Harness Junction Block
Part Number: 20822695
Other Names: Junction Block More Names
Description: UNDER HOOD. 2.4L without fog lamps. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Chevrolet:
    • Malibu
Backordered
Backordered
Engine Wiring Harness Junction Block
Part Number: 84582318
Other Names: Fuse & Relay Box More Names
Description: Engine compartment, 1.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Chevrolet:
    • Equinox
  • GMC:
    • Terrain
MSRP $241.63
$162.52
MSRP $241.63
$162.52
Engine Wiring Harness Junction Block
Part Number: 22798213
Other Names: Junction Block More Names
Replaces: 20904415
Description: Engine compartment, without 6.6L diesel, with dual battery. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
Notes: Order by description. More Notes
Fits:
  • Chevrolet:
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD
  • 1 more
MSRP $291.98
$196.39
MSRP $291.98
$196.39
Engine Wiring Harness Junction Block
Part Number: 22798214
Other Names: Junction Block More Names
Replaces: 20904414, 20978811
Description: Engine compartment, without 6.6L diesel, without dual battery. Engine compartment. 6.0L. This part requires programming and/or special... More Info
Notes: Order by description. More Notes
Fits:
  • Chevrolet:
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD
  • 1 more
MSRP $289.49
$194.71
MSRP $289.49
$194.71
Engine Wiring Harness Junction Block
Part Number: 84533821
Other Names: Fuse & Relay Box More Names
Description: Lt, premier, 2nd design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Notes: Order by description. More Notes
Fits:
  • Chevrolet:
    • Malibu
MSRP $200.63
$134.94
MSRP $200.63
$134.94
Engine Wiring Harness Junction Block
Part Number: 84303338
Other Names: Fuse & Relay Box More Names
Description: Under hood, without 3rd row power seat, without 3rd row power seat. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
Fits:
  • Chevrolet:
    • Traverse
MSRP $229.65
$154.46
MSRP $229.65
$154.46
Engine Wiring Harness Junction Block
Part Number: 84443538
Other Names: Fuse & Relay Box More Names
Replaces: 22842520, 23189699
Description: Engine compartment, without zr1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Notes: Order by description. More Notes
Fits:
  • Chevrolet:
    • Corvette
Backordered
Backordered
Engine Wiring Harness Junction Block
Part Number: 84292758
Other Names: Fuse & Relay Box More Names
Description: Under hood, without 3rd row power seat, without 3rd row power seat. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
Fits:
  • Chevrolet:
    • Traverse
MSRP $227.65
$153.12
MSRP $227.65
$153.12
Engine Wiring Harness Junction Block
Part Number: 20894794
Other Names: Fuse & Relay Box More Names
Description: Engine compartment, 3.8L, all. This part requires programming and/or special setup procedures GM Service Information describes the... More Info
Fits:
  • Buick:
    • Lucerne
MSRP $292.14
$196.49
MSRP $292.14
$196.49
Engine Wiring Harness Junction Block
Part Number: 20814891
Other Names: Fuse & Relay Box More Names
Replaces: 25894224
Description: Underhood, 2.2l, 2.4l. Underhood, all. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Chevrolet:
    • Cobalt
  • Pontiac:
    • G5
MSRP $363.88
$244.74
MSRP $363.88
$244.74
Engine Wiring Harness Junction Block
Part Number: 15786043
Other Names: Junction Block More Names
Replaces: 15115617, 15201930
Description: Fuses & relays. This part requires programming and/or special setup procedures GM Service Information describes the procedures and... More Info
Notes: Order by description. More Notes
Fits:
  • Cadillac:
    • Escalade,
    • Escalade EXT
  • Chevrolet:
    • Avalanche 1500,
    • Avalanche 2500,
    • Silverado 1500,
    • Tahoe
  • GMC:
    • Sierra 1500,
    • Yukon
  • 3 more
MSRP $581.63
$391.21
MSRP $581.63
$391.21
Engine Wiring Harness Junction Block
Part Number: 22798217
Other Names: Junction Block More Names
Replaces: 25941368
Description: Engine compartment, 1/2 ton. Engine compartment main block. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Avalanche,
    • Suburban 1500,
    • Tahoe
  • GMC:
    • Yukon,
    • Yukon XL 1500
  • 3 more
MSRP $299.07
$201.15
MSRP $299.07
$201.15
Engine Wiring Harness Junction Block
Part Number: 22798215
Other Names: Junction Block More Names
Replaces: 20978812, 25941370
Description: Engine compartment, without 6.6L diesel, all. Engine compartment, main block. This part requires programming and/or special setup... More Info
Notes: Order by description. More Notes
Fits:
  • Chevrolet:
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD
  • 1 more
MSRP $292.93
$197.02
MSRP $292.93
$197.02
Engine Wiring Harness Junction Block
Part Number: 23325532
Other Names: Block More Names
Replaces: 22878729, 22929763
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $260.37
$175.12
MSRP $260.37
$175.12
Engine Wiring Harness Junction Block
Part Number: 84014011
Other Names: Fuse & Relay Box More Names
Replaces: 23218144
Description: Engine compartment, with CTS V. Sedan, engine compartment, 3.6L twin-turbo. This GM Genuine Part is designed, engineered, and tested to... More Info
Fits:
  • Cadillac:
    • ATS,
    • CTS
MSRP $198.16
$133.28
MSRP $198.16
$133.28
Engine Wiring Harness Junction Block
Part Number: 84014013
Other Names: Fuse & Relay Box More Names
Replaces: 23302493, 23390149
Description: Sedan, engine compartment, 3.6L, 2nd design. Engine compartment. without CTS V, with auto stop-go frm 02/23/2015. This part requires... More Info
Notes: Order by description. More Notes
Fits:
  • Cadillac:
    • ATS,
    • CTS
MSRP $222.32
$149.53
MSRP $222.32
$149.53
Engine Wiring Harness Junction Block
Part Number: 84616962
Other Names: Block More Names
Replaces: 23267980, 84076945
Description: Junction block. with diesel without zr2 bison. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is... More Info
Fits:
  • Chevrolet:
    • Colorado
  • GMC:
    • Canyon
MSRP $273.28
$183.81
MSRP $273.28
$183.81
Engine Wiring Harness Junction Block
Part Number: 84076946
Other Names: Junction Block More Names
Replaces: 23299776, 23487319
Description: Junction block, without diesel. Junction block, with fog lamps. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
Fits:
  • Chevrolet:
    • Colorado
  • GMC:
    • Canyon
MSRP $270.94
$182.24
MSRP $270.94
$182.24
Engine Wiring Harness Junction Block
Part Number: 84168216
Other Names: F (S)Block More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $339.74
$228.51
MSRP $339.74
$228.51
Engine Wiring Harness Junction Block
Part Number: 84616964
Other Names: F (S)Block More Names
Description: Junction block, with diesel, with zr2 bison. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is... More Info
Fits:
  • Chevrolet:
    • Colorado
MSRP $348.98
$234.77
MSRP $348.98
$234.77
Engine Wiring Harness Junction Block
Part Number: 84152958
Other Names: Fuse & Relay Box More Names
Description: Engine compartment, without CTS V, without auto stop-go, without CTS V, without auto stop-go. This GM Genuine Part is designed,... More Info
Notes: Order by description. More Notes
Fits:
  • Cadillac:
    • CTS
MSRP $170.89
$114.97
MSRP $170.89
$114.97
Engine Wiring Harness Junction Block
Part Number: 84144636
Other Names: Fuse & Relay Box More Names
Replaces: 23411475
Description: Lt, premier. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Notes: Order by description. More Notes
Fits:
  • Chevrolet:
    • Malibu
MSRP $232.14
$156.14
MSRP $232.14
$156.14
Engine Wiring Harness Junction Block
Part Number: 84151498
Other Names: Fuse & Relay Box More Names
Description: Engine compartment, with hybrid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Cadillac:
    • CT6
MSRP $230.69
$155.19
MSRP $230.69
$155.19
Engine Wiring Harness Junction Block
Part Number: 20860986
Other Names: Fuse Box More Names
Description: Coupe, engine compartment, 6.2. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Cadillac:
    • CTS
MSRP $281.36
$189.25
MSRP $281.36
$189.25
Engine Wiring Harness Junction Block
Part Number: 84974743
Other Names: Block More Names
Replaces: 84809671
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $247.58
$166.52
MSRP $247.58
$166.52
Engine Wiring Harness Junction Block
Part Number: 42483379
Other Names: F (S)Block More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $161.40
$108.58
MSRP $161.40
$108.58
Engine Wiring Harness Junction Block
Part Number: 42483373
Other Names: F (S)Block More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $155.26
$104.45
MSRP $155.26
$104.45
Engine Wiring Harness Junction Block
Part Number: 42500363
Options: Front
Other Names: Relay Box More Names
Description: Front compartment. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Chevrolet:
    • Bolt EV
MSRP $275.56
$185.34
MSRP $275.56
$185.34
Engine Wiring Harness Junction Block
Part Number: 22798216
Other Names: Junction Block More Names
Replaces: 20862103, 25941367
Description: Engine compartment, with 6.6L diesel. This part requires programming and/or special setup procedures GM Service Information describes... More Info
Notes: Order by description. More Notes
Fits:
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
MSRP $301.84
$203.02
MSRP $301.84
$203.02
Engine Compartment Fuse Block Kit
Part Number: 84669070
Other Names: Block Kit More Names
Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed... More Info
MSRP $69.48
$48.31
MSRP $69.48
$48.31
Engine Wiring Harness Junction Block
Part Number: 25865468
Other Names: Fuse & Relay Box More Names
Description: Engine compartment. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DTS
MSRP $425.16
$250.84
MSRP $425.16
$250.84
Engine Wiring Harness Junction Block
Part Number: 20822696
Options: Front
Other Names: Junction Block More Names
Replaces: 25883020
Description: Engine compartment. Federal. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
Fits:
  • Saturn:
    • Aura
MSRP $236.85
$159.30
MSRP $236.85
$159.30
Engine Wiring Harness Junction Block
Part Number: 20822706
Other Names: Junction Block More Names
Replaces: 25842707, 25883123
Description: Under hood, 3.6L, without fog lamps. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Chevrolet:
    • Malibu
MSRP $241.22
$162.24
MSRP $241.22
$162.24
Engine Wiring Harness Junction Block
Part Number: 15216917
Other Names: Block More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $519.93
$349.70
MSRP $519.93
$349.70
Engine Wiring Harness Junction Block
Part Number: 25883119
Other Names: Junction Block More Names
Description: Engine compartment, 3.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
Fits:
  • Saturn:
    • Aura
MSRP $473.03
$318.16
MSRP $473.03
$318.16
Engine Wiring Harness Junction Block
Part Number: 84423753
Other Names: Fuse & Relay Box More Names
Replaces: 23473776
Description: Engine compartment, labeled: 23505626. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
Fits:
  • Buick:
    • Envision
MSRP $395.84
$266.24
MSRP $395.84
$266.24

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