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Genuine GM Spark Plugs

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What Causes Spark Plugs to Wear Out?

Spark plugs wear out over time due to various factors. Repeated sparking and exposure to combustion byproducts cause natural wear, leading to electrode and insulator deterioration. Carbon deposits from combustion can accumulate on the spark plug electrodes, reducing their effectiveness. Overheating, incorrect gaps, fuel additives and contaminants, and long service intervals can also contribute to spark plug wear. To prevent premature wear, regular inspections, proper maintenance, and using the correct spark plugs are crucial. If you notice poor engine performance, replacing the spark plugs may be necessary.

Other Interior Parts

  1. Starters

    The starter plays a crucial role in initiating the engine's ignition process. When the ignition key is turned, starters quickly engage, cranking the engine into life by meshing with the flywheel.

  2. Alternators

    Alternators convert mechanical energy into electrical power. They are mounted within the engine, and they produce a steady stream of electricity to recharge the battery and power various vehicle systems.

Get Factory GM Spark Plugs at Gateway Parts Online

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Spark Plug

Part Number: 19354424
GM GM
Other Names: Spark Plug, r42xls
Replaces: 05613112, 19302733, 5613100
Description: Standard. Vendor:acdelco. Vendor #R42XLS.
Fits:
  • Buick:
    • Skyhawk
  • Chevrolet:
    • Metro,
    • Sprint,
    • Tracker
  • Pontiac:
    • Sunbird
MSRP $4.36
$2.67

Spark Plug

Part Number: 19354419
GM GM
Replaces: 19157983, 19157999, 19300382, 19302737, 5613325
Description: Standard. Vendor:acdelco. Vendor #R43TS. Cast Iron Cylinder Head.
Fits:
  • Buick:
    • Century,
    • Skylark
  • Chevrolet:
    • Astro,
    • Blazer,
    • C/K Pickup,
    • Camaro,
    • Caprice,
    • Celebrity,
    • Citation II,
    • Corvette,
    • El Camino,
    • G10,
    • G20,
    • G30,
    • K5 Blazer,
    • Lumina APV,
    • Monte Carlo,
    • P20,
    • P30,
    • R10,
    • R20,
    • R30,
    • S10,
    • S10 Blazer,
    • Suburban C10,
    • Suburban C20,
    • Suburban K10,
    • Suburban K20,
    • Suburban R10,
    • Suburban R20,
    • Suburban V10,
    • Suburban V20,
    • V10,
    • V20,
    • V30
  • GMC:
    • C1500 Pickup,
    • C2500 Pickup,
    • C3500 Pickup,
    • Caballero,
    • G1500,
    • G2500,
    • G3500,
    • Jimmy,
    • Jimmy S15,
    • K1500 Pickup,
    • K2500 Pickup,
    • P3500,
    • R1500 Pickup,
    • R2500 Pickup,
    • R3500 Pickup,
    • S15,
    • Safari,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban R1500,
    • Suburban R2500,
    • V1500,
    • V1500 Suburban,
    • V2500,
    • V2500 Suburban,
    • V3500
  • Oldsmobile:
    • Cutlass Ciera,
    • Silhouette
  • Pontiac:
    • 6000,
    • Bonneville,
    • Firebird,
    • Grand Prix,
    • Parisienne,
    • Trans Sport
MSRP $4.18
$2.56

Spark Plug

Part Number: 19354430
GM GM
Other Names: Spark Plug, r45tsx
Replaces: 19157991, 19300873, 5613721, 5613877, 5613883, 5614386
Fits:
  • Buick:
    • LeSabre,
    • Regal
  • Oldsmobile:
    • Cutlass Salon,
    • Cutlass Supreme,
    • Delta 88
  • Pontiac:
    • Bonneville,
    • Grand Prix
MSRP $4.36
$2.67

Spark Plug

Part Number: 19305821
GM GM
Replaces: 19238465, 19250972
Description: Platinum.
Fits:
  • Saturn:
    • LW300
MSRP $13.76
$8.43

Spark Plug

Part Number: 12679800
GM GM
Fits:
  • GMC:
    • C3500HD
MSRP $13.52
$8.28

Spark Plug

Part Number: 12578277
GM GM
Replaces: 12561454
Description: Vendor:acdelco. Vendor #41-983. 8.1L.
Fits:
  • Chevrolet:
    • Avalanche 2500,
    • Express 3500,
    • Silverado 2500 HD,
    • Silverado 2500 HD Classic,
    • Silverado 3500,
    • Silverado 3500 Classic,
    • Suburban 2500
  • GMC:
    • Savana 3500,
    • Sierra 2500 HD,
    • Sierra 2500 HD Classic,
    • Sierra 3500,
    • Sierra 3500 Classic,
    • Yukon XL 2500
MSRP $10.66
$6.53

Spark Plug

Part Number: 05614046
GM GM
Other Names: F (S)Spark Plug
Description: Vendor:acdelco. Vendor #R43CTS6.
Fits:
  • Buick:
    • Century,
    • Skylark,
    • Somerset,
    • Somerset Regal
  • Chevrolet:
    • Astro,
    • Camaro,
    • Celebrity,
    • Citation II,
    • LLV,
    • Lumina,
    • S10,
    • S10 Blazer
  • GMC:
    • Jimmy S15,
    • S15,
    • Safari,
    • Sonoma
  • Oldsmobile:
    • Calais,
    • Cutlass Calais,
    • Cutlass Ciera,
    • Cutlass Cruiser
  • Pontiac:
    • 6000,
    • Fiero,
    • Firebird,
    • Grand Am
MSRP $2.90
$1.78

Spark Plug

Part Number: 19369868
GM GM
Replaces: 19302742, 5614229
Fits:
  • Cadillac:
    • Brougham
  • Chevrolet:
    • Camaro
  • Pontiac:
    • Firebird
MSRP $4.72
$2.89

Spark Plug

Part Number: 19362247
GM GM
Other Names: Spark Plug, 6902
Replaces: 19302726, 5613796, 5614286, 88901233
Description: Aluminum Cylinder Head. Vendor:bosch. Vendor #FR3LS. Standard.
Fits:
  • Buick:
    • Skylark
  • Chevrolet:
    • Beretta
  • Oldsmobile:
    • Achieva,
    • Cutlass Calais,
    • Cutlass Supreme
  • Pontiac:
    • Grand Am,
    • Grand Prix
  • Saturn:
    • LW300
MSRP $4.18
$2.56

Spark Plug

Part Number: 19301805
GM GM
Other Names: F (S)Spark Plug
Replaces: 19208527, 19244462
Fits:
  • Buick:
    • Skylark
  • Oldsmobile:
    • Achieva
  • Pontiac:
    • Grand Am,
    • Sunfire
MSRP $13.76
$8.43

Spark Plug

Part Number: 19354417
GM GM
Other Names: Spark Plug, 6901
Replaces: 19158002, 19302723, 5614284
Description: Conventional. Vendor:acdelco.
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
MSRP $5.02
$3.07

Spark Plug

Part Number: 19307141
GM GM
Replaces: 19145286, 19238455, 19250963
Fits:
  • Buick:
    • Skyhawk
MSRP $8.88
$5.44

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