Original GM Spark Plugs

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Where Are Spark Plugs Located?

You will find spark plugs at the top of your engine's cylinder head. Once they "spark," a combination of fuel and air within your vehicle's engine will create the combustion that powers your vehicle.

When Should I Change My Spark Plugs?

If you're wondering when your spark plugs need to be replaced, the general recommendation in most owner's manuals is around 48,000 km. Of course, it's encouraged to check your owner's manual for more details. There are also warning signs you can look out for, which include:

  • Your vehicle isn't starting at all
  • There's a decrease in fuel economy
  • Your car is having a hard time accelerating
  • The Check Engine light is on
  • Engine misfires

Broken or worn-out spark plugs can damage your engine's cylinders. That's why it's important to conduct a vehicle inspection as soon as you can.

Install Genuine GM Spark Plugs | Order Today & Save

If you need to change your spark plugs, make sure to order OEM parts through our website. All the parts in our online catalog are going to fit your GM model, guaranteed. Please don't hesitate to reach out to us with your part-related questions.

Spark Plug
Part Number: 12646780
Description: Coupe, 3.6L without twin-turbo. More Info
Fits:
  • Buick:
    • LaCrosse,
    • Regal Sportback
  • Cadillac:
    • ATS,
    • CT6,
    • CTS,
    • XT5,
    • XT6
  • Chevrolet:
    • Blazer,
    • Camaro,
    • Colorado
  • GMC:
    • Acadia,
    • Canyon
  • 7 more
MSRP $17.24 CAD
$12.80 CAD
MSRP $17.24 CAD
$12.80 CAD
Spark Plug
Part Number: 12680072
Description: 6.0L. Iridium. Vendor:acdelco. Vendor #41-985. More Info
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Avalanche,
    • Avalanche 1500,
    • Camaro,
    • Caprice,
    • Colorado,
    • Corvette,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • LCF 3500,
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • SS,
    • Suburban 1500,
    • Suburban 2500,
    • Suburban 3500 HD,
    • Tahoe
  • 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
  • 29 more
MSRP $17.26 CAD
$12.80 CAD
MSRP $17.26 CAD
$12.80 CAD
Spark Plug
Part Number: 12680075
Replaces: 12610767
Description: 2.0L. More Info
Fits:
  • Chevrolet:
    • Cobalt
  • Saturn:
    • Ion
MSRP $19.73 CAD
$14.67 CAD
MSRP $19.73 CAD
$14.67 CAD
Spark Plug
Part Number: 12681655
Other Names: More Names
Replaces: 55564962, 55580961, 55585534
Description: 1.8L. More Info
Fits:
  • Chevrolet:
    • Volt
MSRP $19.73 CAD
$14.63 CAD
MSRP $19.73 CAD
$14.63 CAD
Spark Plug
Part Number: 12681660
Replaces: 12622561
Description: 3.6L, without bi-fuel. 3.0L. 3.6L, without twin-turbo. 3.0, 3.6L. 3.6L, 2nd design. More Info
Fits:
  • Buick:
    • Enclave,
    • LaCrosse
  • Cadillac:
    • ATS,
    • CTS,
    • SRX,
    • STS,
    • XTS
  • Chevrolet:
    • Camaro,
    • Caprice,
    • Captiva Sport,
    • Colorado,
    • Equinox,
    • Impala,
    • Impala Limited,
    • Malibu,
    • Traverse
  • GMC:
    • Acadia,
    • Acadia Limited,
    • Canyon,
    • Terrain
  • Saturn:
    • Aura,
    • Outlook,
    • Vue
  • 18 more
MSRP $16.45 CAD
$14.51 CAD
MSRP $16.45 CAD
$14.51 CAD
Spark Plug
Part Number: 12681663
Replaces: 12625058
Fits:
  • Buick:
    • Rainier
  • Chevrolet:
    • Cavalier,
    • Classic,
    • Cobalt,
    • Colorado,
    • HHR,
    • Malibu,
    • Trailblazer,
    • Trailblazer EXT
  • GMC:
    • Canyon,
    • Envoy,
    • Envoy XL,
    • Envoy XUV
  • Hummer:
    • H3,
    • H3T
  • Oldsmobile:
    • Alero,
    • Bravada
  • Pontiac:
    • G5,
    • G6,
    • Grand Am,
    • Solstice,
    • Sunfire
  • Saturn:
    • Aura,
    • Ion,
    • L100,
    • L200,
    • L300,
    • LW200,
    • Sky,
    • Vue
  • 25 more
MSRP $17.61 CAD
$13.10 CAD
MSRP $17.61 CAD
$13.10 CAD
Spark Plug
Part Number: 24425327
Description: 3.0L. More Info
Fits:
  • Cadillac:
    • CTS
  • Saturn:
    • Vue
MSRP $19.10 CAD
$14.21 CAD
MSRP $19.10 CAD
$14.21 CAD
Spark Plug
Part Number: 9195166
Description: Vendor:bosch. Vendor #flr9lte. More Info
Fits:
  • Cadillac:
    • Catera
  • Saturn:
    • L300,
    • LS2,
    • LW2,
    • LW300
MSRP $17.00 CAD
$12.62 CAD
MSRP $17.00 CAD
$12.62 CAD
Spark Plug
Part Number: 88901006
Other Names: Spark Plug Pkg More Names
Description: Platinum. Vendor:acdelco. Vendor #41-800. More Info
Fits:
  • Chevrolet:
    • Corvette
MSRP $10.86 CAD
$9.62 CAD
MSRP $10.86 CAD
$9.62 CAD
Spark Plug
Part Number: 88901021
Other Names: Spark Plug Pkg More Names
Description: Platinum. More Info
Fits:
  • Oldsmobile:
    • Cutlass Salon,
    • Toronado
MSRP $15.46 CAD
$11.45 CAD
MSRP $15.46 CAD
$11.45 CAD
Spark Plug
Part Number: 19185432
Other Names: F (S)Spark Plug More Names
Description: 2.4L. 1.8l with ho. More Info
Fits:
  • Pontiac:
    • Vibe
MSRP $27.15 CAD
$20.16 CAD
MSRP $27.15 CAD
$20.16 CAD
Spark Plug
Part Number: 19300872
Positions: Left, Right
Replaces: 12597464
Description: Platinum. Vendor:acdelco. Vendor #41-990. 2.8 & 3.6L. 3.0 & 3.6L. 2nd Design. More Info
Fits:
  • Buick:
    • Enclave,
    • LaCrosse,
    • Rendezvous
  • Cadillac:
    • CTS,
    • SRX,
    • STS
  • Chevrolet:
    • Equinox,
    • Malibu,
    • Traverse
  • GMC:
    • Acadia
  • Pontiac:
    • G6,
    • G8,
    • Torrent
  • Saturn:
    • Aura,
    • Outlook,
    • Vue
  • 11 more
MSRP $20.97 CAD
$15.57 CAD
MSRP $20.97 CAD
$15.57 CAD
Spark Plug
Part Number: 19300873
Fits:
  • Buick:
    • LeSabre,
    • Regal
  • Oldsmobile:
    • Cutlass Salon,
    • Cutlass Supreme,
    • Delta 88
  • Pontiac:
    • Bonneville,
    • Grand Prix
  • 2 more
MSRP $4.80 CAD
$3.60 CAD
MSRP $4.80 CAD
$3.60 CAD
Spark Plug
Part Number: 19300875
Replaces: 19244463, 19244468
Description: Platinum. More Info
Fits:
  • Buick:
    • Regal
  • Cadillac:
    • 60 Special,
    • DeVille,
    • Eldorado,
    • Fleetwood,
    • Seville
  • 1 more
MSRP $16.89 CAD
$12.53 CAD
MSRP $16.89 CAD
$12.53 CAD
Spark Plug
Part Number: 19301656
Other Names: Spark Plug Pkg More Names
Replaces: 5613870
Fits:
  • Buick:
    • Skyhawk
  • Oldsmobile:
    • Firenza
  • Pontiac:
    • J2000 Sunbird,
    • Sunbird
MSRP $4.54 CAD
$3.41 CAD
MSRP $4.54 CAD
$3.41 CAD
Spark Plug
Part Number: 19301812
Description: Platinum. More Info
Fits:
  • Chevrolet:
    • Cavalier,
    • S10
  • GMC:
    • S15,
    • Sonoma
  • Pontiac:
    • Sunfire
MSRP $16.20 CAD
$12.02 CAD
MSRP $16.20 CAD
$12.02 CAD
Spark Plug
Part Number: 19302744
Replaces: 5613957
Description: Exc.Police. Exc.Taxi. Standard. Vendor:acdelco. Vendor #CR43TS. Optional. Vendor #R45TS. More Info
Fits:
  • Buick:
    • Commercial Chassis,
    • Roadmaster
  • Cadillac:
    • Brougham
  • Chevrolet:
    • Camaro,
    • Caprice,
    • El Camino,
    • Impala,
    • Monte Carlo
  • GMC:
    • Caballero,
    • K1500 Pickup
  • Pontiac:
    • Bonneville,
    • Firebird,
    • Grand Prix,
    • Parisienne
  • 9 more
MSRP $5.78 CAD
$4.31 CAD
MSRP $5.78 CAD
$4.31 CAD
Spark Plug
Part Number: 19307139
Replaces: 19250960
Description: Exc.Police. Exc.Taxi. Platinum. Vendor:acdelco. Vendor #CR43TS. More Info
Fits:
  • Chevrolet:
    • Caprice
MSRP $10.29 CAD
$7.62 CAD
MSRP $10.29 CAD
$7.62 CAD
Spark Plug
Part Number: 19308030
Replaces: 19145287, 19238456, 19250964
Description: Rapid Fire. Vendor:acdelco. Vendor #5. More Info
Fits:
  • Chevrolet:
    • Corvette
MSRP $9.76 CAD
$7.23 CAD
MSRP $9.76 CAD
$7.23 CAD
Spark Plug
Part Number: 19308031
Description: 2.4L. Rapid Fire. Vendor:acdelco. Vendor #8. More Info
Fits:
  • Chevrolet:
    • Corvette
  • Pontiac:
    • Grand Am
MSRP $9.78 CAD
$7.26 CAD
MSRP $9.78 CAD
$7.26 CAD
Spark Plug
Part Number: 19308033
Replaces: 19238464, 19250971
Description: Rapid Fire. Vendor:acdelco. Vendor #14. 3.8L, without supercharged. 3.1L. More Info
Fits:
  • Buick:
    • Century
  • Chevrolet:
    • Corvette
  • Pontiac:
    • Grand Prix
MSRP $10.29 CAD
$7.62 CAD
MSRP $10.29 CAD
$7.62 CAD
Spark Plug
Part Number: 21025103
Other Names: F (S)Spark Plug More Names
Fits:
  • Saturn:
    • SC,
    • SC1,
    • SC2,
    • SL,
    • SL1,
    • SL2,
    • SW1,
    • SW2
  • 3 more
MSRP $6.73 CAD
$5.96 CAD
MSRP $6.73 CAD
$5.96 CAD
Spark Plug
Part Number: 55486272
Description: 1.8L. More Info
Fits:
  • Chevrolet:
    • Malibu
MSRP $18.89 CAD
$14.06 CAD
MSRP $18.89 CAD
$14.06 CAD
Spark Plug
Part Number: 55564748
Description: 2.8L. More Info
Fits:
  • Cadillac:
    • SRX
MSRP $32.07 CAD
$25.53 CAD
MSRP $32.07 CAD
$25.53 CAD
Spark Plug
Part Number: 5613878
Fits:
  • Pontiac:
    • LeMans,
    • Sunbird
MSRP $4.36 CAD
$3.29 CAD
MSRP $4.36 CAD
$3.29 CAD
Spark Plug
Part Number: 5613882
Fits:
  • Oldsmobile:
    • Cutlass Salon,
    • Cutlass Supreme
MSRP $5.00 CAD
$3.72 CAD
MSRP $5.00 CAD
$3.72 CAD
Spark Plug
Part Number: 12592619
Description: 4.4L. More Info
Fits:
  • Cadillac:
    • STS,
    • XLR
MSRP $20.97 CAD
$15.57 CAD
MSRP $20.97 CAD
$15.57 CAD
Spark Plug
Part Number: 12622441
Description: 4.3L, 2018-19. 6.6L gas. 6.2L. without supercharger. More Info
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Camaro,
    • Corvette,
    • Express 2500,
    • Express 3500,
    • Silverado 1500,
    • Silverado 1500 LD,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban,
    • Tahoe
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 Limited,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL
  • 15 more
MSRP $17.98 CAD
$13.35 CAD
MSRP $17.98 CAD
$13.35 CAD
Spark Plug
Part Number: 12642722
Description: 6.2L supercharged. 6.2L. with supercharger. More Info
Fits:
  • Cadillac:
    • CTS
  • Chevrolet:
    • Camaro,
    • Corvette
MSRP $17.80 CAD
$13.23 CAD
MSRP $17.80 CAD
$13.23 CAD
Spark Plug
Part Number: 12662396
Description: Coupe, 3.6L with twin-turbo. More Info
Fits:
  • Cadillac:
    • ATS,
    • CTS,
    • XTS
MSRP $17.24 CAD
$12.80 CAD
MSRP $17.24 CAD
$12.80 CAD
Spark Plug
Part Number: 12680076
Replaces: 12642791
Description: With twin-turbo. More Info
Fits:
  • Cadillac:
    • CTS,
    • XTS
MSRP $17.31 CAD
$12.83 CAD
MSRP $17.31 CAD
$12.83 CAD
Spark Plug
Part Number: 12681656
Replaces: 55576026, 55585517
Description: 1.4L turbo. Without high output. 1.8L. More Info
Fits:
  • Buick:
    • Encore
  • Chevrolet:
    • Cruze,
    • Cruze Limited,
    • Sonic,
    • Trax
MSRP $18.14 CAD
$13.49 CAD
MSRP $18.14 CAD
$13.49 CAD
Spark Plug
Part Number: 12681657
Replaces: 12611882
Fits:
  • Buick:
    • Enclave
  • GMC:
    • Acadia
  • Saturn:
    • Outlook
MSRP $20.52 CAD
$15.27 CAD
MSRP $20.52 CAD
$15.27 CAD
Spark Plug
Part Number: 12681659
Replaces: 12626906, 12647827
Description: 2.5L, 2.0L turbo, 2.0L turbo. Coupe, 2.0L turbo. More Info
Fits:
  • Buick:
    • Envision,
    • Regal,
    • Regal Sportback,
    • Regal TourX
  • Cadillac:
    • ATS,
    • CT6,
    • CTS
  • Chevrolet:
    • Camaro,
    • Equinox,
    • Malibu,
    • Traverse
  • GMC:
    • Terrain
  • 7 more
MSRP $13.71 CAD
$10.19 CAD
MSRP $13.71 CAD
$10.19 CAD
Spark Plug
Part Number: 12681662
Positions: Left, Right
Replaces: 12591131
Description: 3.5L. 3.9L. More Info
Fits:
  • Buick:
    • Lucerne,
    • Terraza
  • Chevrolet:
    • Impala,
    • Malibu,
    • Monte Carlo,
    • Uplander
  • Pontiac:
    • G6,
    • Montana
  • Saturn:
    • Aura,
    • Relay,
    • Vue
  • 6 more
MSRP $17.60 CAD
$13.10 CAD
MSRP $17.60 CAD
$13.10 CAD
Spark Plug
Part Number: 92457960
Other Names: F (S)Spark Plug More Names
Description: 3.6L, with bi-fuel. More Info
Fits:
  • Chevrolet:
    • Impala
MSRP $16.83 CAD
$12.51 CAD
MSRP $16.83 CAD
$12.51 CAD
Spark Plug
Part Number: 94859448
Description: Vendor #SK16R11. 1.8l without ho. More Info
Fits:
  • Chevrolet:
    • Prizm
  • Pontiac:
    • Vibe
MSRP $36.46 CAD
$28.76 CAD
MSRP $36.46 CAD
$28.76 CAD
Spark Plug
Part Number: 88901022
Other Names: Spark Plug Pkg More Names
Description: Platinum. More Info
Fits:
  • Oldsmobile:
    • Cutlass Ciera
MSRP $14.47 CAD
$10.74 CAD
MSRP $14.47 CAD
$10.74 CAD
Spark Plug
Part Number: 19208535
Fits:
  • Cadillac:
    • Allante,
    • DeVille,
    • Eldorado,
    • Seville
  • Oldsmobile:
    • Aurora
MSRP $13.50 CAD
$10.02 CAD
MSRP $13.50 CAD
$10.02 CAD
Spark Plug
Part Number: 19300749
Replaces: 19157986
Fits:
  • Buick:
    • Century,
    • Electra,
    • LeSabre,
    • Riviera,
    • Skylark,
    • Somerset,
    • Somerset Regal
  • Oldsmobile:
    • 98,
    • Calais,
    • Cutlass Calais,
    • Cutlass Ciera,
    • Cutlass Cruiser,
    • Delta 88,
    • Toronado
  • Pontiac:
    • Bonneville,
    • Grand Am
  • 11 more
MSRP $4.77 CAD
$3.57 CAD
MSRP $4.77 CAD
$3.57 CAD
Spark Plug
Part Number: 19301805
Other Names: F (S)Spark Plug More Names
Replaces: 19208527, 19244462
Fits:
  • Buick:
    • Skylark
  • Oldsmobile:
    • Achieva
  • Pontiac:
    • Grand Am,
    • Sunfire
MSRP $20.47 CAD
$15.21 CAD
MSRP $20.47 CAD
$15.21 CAD
Spark Plug
Part Number: 19301807
Replaces: 19179571, 19244464
Description: Vendor:acdelco. More Info
Fits:
  • Buick:
    • Century
  • Chevrolet:
    • Beretta,
    • Cavalier,
    • Corsica,
    • LLV,
    • Lumina,
    • S10
  • Oldsmobile:
    • Cutlass Ciera
  • Pontiac:
    • Sunfire
  • 4 more
MSRP $18.88 CAD
$14.06 CAD
MSRP $18.88 CAD
$14.06 CAD
Spark Plug
Part Number: 19301810
Replaces: 19244475
Description: Platinum. Vendor:acdelco. Vendor #41-979. 3.4L. More Info
Fits:
  • Chevrolet:
    • C2500,
    • C3500,
    • Express 3500,
    • K2500 Pickup,
    • K3500 Pickup,
    • Malibu,
    • P30,
    • Suburban C2500,
    • Suburban K2500,
    • Venture
  • GMC:
    • C2500 Pickup,
    • C3500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • P3500,
    • Savana 3500,
    • Suburban C2500,
    • Suburban K2500
  • Oldsmobile:
    • Alero,
    • Silhouette
  • Pontiac:
    • Aztek,
    • Grand Am,
    • Montana
  • 18 more
MSRP $19.50 CAD
$14.48 CAD
MSRP $19.50 CAD
$14.48 CAD
Spark Plug
Part Number: 19302733
Description: Standard. Vendor:acdelco. Vendor #R42XLS. More Info
Fits:
  • Buick:
    • Skyhawk
  • Chevrolet:
    • Metro,
    • Sprint,
    • Tracker
  • Pontiac:
    • Grand Am,
    • J2000 Sunbird,
    • Sunbird
  • 2 more
MSRP $4.77 CAD
$3.57 CAD
MSRP $4.77 CAD
$3.57 CAD
Spark Plug
Part Number: 19354417
Fits:
  • Buick:
    • Century,
    • LeSabre,
    • Park Avenue,
    • Regal,
    • Riviera,
    • Skylark
  • Chevrolet:
    • Lumina APV
  • Oldsmobile:
    • 88,
    • 98,
    • Achieva,
    • Cutlass Ciera,
    • Cutlass Cruiser,
    • Silhouette,
    • Toronado
  • Pontiac:
    • Bonneville,
    • Grand Am,
    • Trans Sport
  • 12 more
MSRP $5.64 CAD
$4.22 CAD
MSRP $5.64 CAD
$4.22 CAD
Spark Plug
Part Number: 19354423
Replaces: 19310643, 5613522
Description: Optional. Vendor:acdelco. Vendor #R43XLS. More Info
Fits:
  • Chevrolet:
    • Nova,
    • S10,
    • Spectrum,
    • Sprint
  • GMC:
    • S15
  • Pontiac:
    • Sunbird
  • 1 more
MSRP $4.82 CAD
$3.63 CAD
MSRP $4.82 CAD
$3.63 CAD
Spark Plug
Part Number: 19417055
Description: 4.8, 5.3 & 6.0L. More Info
Fits:
  • Chevrolet:
    • Express 1500,
    • Express 2500,
    • Express 3500
  • GMC:
    • Savana 1500,
    • Savana 2500,
    • Savana 3500
  • 1 more
MSRP $16.86 CAD
$12.53 CAD
MSRP $16.86 CAD
$12.53 CAD
Spark Plug
Part Number: 25186682
Description: 2009-11. More Info
Fits:
  • Chevrolet:
    • Aveo,
    • Aveo5
  • Pontiac:
    • G3
MSRP $15.29 CAD
$11.36 CAD
MSRP $15.29 CAD
$11.36 CAD
Spark Plug
Part Number: 25190786
Replaces: 25181358
Fits:
  • Chevrolet:
    • Spark,
    • Spark EV
MSRP $19.34 CAD
$14.34 CAD
MSRP $19.34 CAD
$14.34 CAD
Spark Plug
Part Number: 5613932
Fits:
  • Pontiac:
    • LeMans,
    • Sunbird
MSRP $4.28 CAD
$3.21 CAD
MSRP $4.28 CAD
$3.21 CAD

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