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ACDelco PROFESSIONAL IRIDIUM SPARK PLUGS

ACDelco Professional Iridium Spark Plugs are the ideal high-quality replacement for many vehicles on the road today. They are the latest in spark plug technology and an exact replacement for your vehicle’s original components. Iridium composition has the highest melting point and strength of all metals. It provides the greatest wear resistance and durability over Platinum and Conventional spark plugs. ACDelco Professional Iridium Spark Plugs provide the best wear resistance and durability of any spark plug. These premium aftermarket replacement iridium spark plugs are manufactured to meet and exceed your expectations for fit, form and function.

Spark Plug
12571165
Description: 7.0L. Wagon, 6.2L. 6.2L with supercharger. 6.2L with supercharged. More
Fits:
  • Cadillac:
    • CTS
  • Chevrolet:
    • Camaro,
    • Corvette
$11.90
$7.74
$11.90
$7.74
Spark Plug
12681661
Other Names: More
Replaces: 12607280
Description: Coupe,. 2.2L, 2005-06. Sedan, 2003-06. More
$11.90
$7.74
$11.90
$7.74
Spark Plug
12610767
Description: 2.0L supercharged. More
Fits:
  • Chevrolet:
    • Cobalt
  • Saturn:
    • Ion
$11.90
$7.74
$11.90
$7.74
Spark Plug
12611882
Other Names: F (S)Spark Plug More
Fits:
  • Buick:
    • Enclave
  • GMC:
    • Acadia
  • Saturn:
    • Outlook
$11.90
$7.74
$11.90
$7.74
Spark Plug- PART NUMBER CHANGED TO 12681658
Spark Plug- PART NUMBER CHANGED TO 12681658
12620540
Description: 3.0L. 2.4L. 2.0L turbocharged. More
Fits:
  • Buick:
    • LaCrosse,
    • Regal,
    • Verano
  • Chevrolet:
    • Captiva Sport,
    • Cobalt,
    • Equinox,
    • HHR,
    • Impala,
    • Malibu
  • GMC:
    • Terrain
  • Pontiac:
    • Solstice
  • Saturn:
    • Sky
  • 7 more
Discontinued
Discontinued
Spark Plug
19185432
Other Names: F (S)Spark Plug More
Description: 2.4L. 1.8l with ho. More
Fits:
  • Pontiac:
    • Vibe
$11.90
$7.74
$11.90
$7.74
Spark Plug
19185438
Description: 1.8L. More
Fits:
  • Pontiac:
    • Vibe
$11.90
$7.74
$11.90
$7.74
Spark Plug
12622441
Description: 5.3 & 6.2L. 4.3L, 2018-19. 6.2L, without supercharger. More
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Camaro,
    • Corvette,
    • Express 2500,
    • Express 3500,
    • Silverado 1500,
    • Silverado 1500 LD,
    • Suburban,
    • Tahoe
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 Limited,
    • Yukon,
    • Yukon XL
  • 11 more
$11.90
$7.74
$11.90
$7.74
Spark Plug
12642791
Description: 3.6L, with twin-turbo. More
Fits:
  • Cadillac:
    • CTS,
    • XTS
$11.90
$7.74
$11.90
$7.74
Spark Plug
55564962
Fits:
  • Chevrolet:
    • Volt
$11.90
$7.74
$11.90
$7.74
Spark Plug
55585534
Replaces: 55580961
Description: 1.8L. More
Fits:
  • Cadillac:
    • ELR
  • Chevrolet:
    • Cruze,
    • Cruze Limited,
    • Sonic,
    • Volt
$11.90
$7.74
$11.90
$7.74
Spark Plug
12647827
Replaces: 12626906
Description: Coupe, 2.0L turbo. 2.5L, 2.0L turbo, 2.0L turbo. More
Fits:
  • Buick:
    • Envision,
    • Regal,
    • Regal Sportback,
    • Regal TourX
  • Cadillac:
    • ATS,
    • CT6,
    • CTS
  • Chevrolet:
    • Camaro,
    • Equinox,
    • Malibu,
    • Traverse
  • GMC:
    • Terrain
  • 7 more
$11.90
$7.74
$11.90
$7.74
Spark Plug
25190786
Replaces: 25181358
Fits:
  • Chevrolet:
    • Spark,
    • Spark EV
$11.90
$7.74
$11.90
$7.74
Spark Plug
19256067
Positions: Left, Right
Description: 5.7L. 5.3L. Platinum. 5.3, 6.0L. Vendor #41-993. Vendor:acdelco. 4.3L, 2003-2007. 4.3L, 2008-2014. 4.8, 5.3, 6.0 & 6.2L. More
Fits:
  • Buick:
    • LaCrosse,
    • Rainier
  • Cadillac:
    • CTS,
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Astro,
    • Avalanche 1500,
    • Avalanche 2500,
    • Blazer,
    • C1500,
    • C2500,
    • C3500,
    • Corvette,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • Impala,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • Monte Carlo,
    • P30,
    • S10,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Silverado 2500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban 1500,
    • Suburban 2500,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Tahoe
  • GMC:
    • C1500 Pickup,
    • C2500 Pickup,
    • C3500 Pickup,
    • Jimmy,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • P3500,
    • Safari,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sierra 2500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Sonoma,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H3
  • Oldsmobile:
    • Bravada
  • Pontiac:
    • Firebird,
    • G8,
    • Grand Prix,
    • GTO
  • 62 more
$11.90
$7.74
$11.90
$7.74
Spark Plug
12647827
Replaces: 12626906
Description: Coupe, 2.0L turbo. 2.5L, 2.0L turbo, 2.0L turbo. More
Fits:
  • Buick:
    • Envision,
    • Regal,
    • Regal Sportback,
    • Regal TourX
  • Cadillac:
    • ATS,
    • CT6,
    • CTS
  • Chevrolet:
    • Camaro,
    • Equinox,
    • Malibu,
    • Traverse
  • GMC:
    • Terrain
  • 7 more
$11.90
$7.74
$11.90
$7.74
Spark Plug
12681656
Replaces: 55576026, 55585517
Description: 1.8L. 1.4L turbo. More
Fits:
  • Buick:
    • Encore
  • Chevrolet:
    • Cruze,
    • Cruze Limited,
    • Sonic,
    • Trax
$11.90
$7.74
$11.90
$7.74
Spark Plug
55585534
Replaces: 55580961
Description: 1.8L. More
Fits:
  • Cadillac:
    • ELR
  • Chevrolet:
    • Cruze,
    • Cruze Limited,
    • Sonic,
    • Volt
$11.90
$7.74
$11.90
$7.74