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Replacement and OEM Parts for 2021 GMC Sierra 3500 HD Spark Plugs & Wires

2021 GMC Sierra 3500 HD Spark Plugs & Wires

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2021 GMC Sierra 3500 HD
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Engine & Drivetrain

5 products about 2021 GMC Sierra 3500 HD Spark Plugs & Wires found

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  • OEM 2021 GMC Sierra 3500 HD Spark Plug Diagram - 12622441
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Spark Plug

    PartNumber: 12622441
    OEM 2021 GMC Sierra 3500 HD Spark Plug - 12622441
    Product Specifications
    • Notes: 6.6 Liter Gas
    • Other Names: Spark Plug
    • Item Dimensions: 4.0 x 3.8 x 1.5 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 3500 HD Spark Plug
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $8.74 MSRP: $15.80
    You Save: $7.06 (45%)
  • OEM 2021 GMC Sierra 3500 HD Cable Diagram - 12633447
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Cable

    PartNumber: 12633447
    OEM 2021 GMC Sierra 3500 HD Cable - 12633447
    Product Specifications
    • Other Names: Cable, Cable Set
    • Item Dimensions: 10.6 x 7.2 x 1.2 inches
    • Item Weight: 0.60 Pounds
    • Replaced by: 12716289
    • Part Description: 2021 GMC Sierra 3500 HD Cable
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $16.63 MSRP: $31.37
    You Save: $14.74 (47%)
  • OEM 2021 GMC Sierra 3500 HD Wire Diagram - 12697820
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Wire

    PartNumber: 12697820
    OEM 2021 GMC Sierra 3500 HD Wire - 12697820
    Product Specifications
    • Other Names: Wire
    • Replaced by: 12734111
    • Part Description: 2021 GMC Sierra 3500 HD Wire
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $46.95 MSRP: $74.55
    You Save: $27.60 (38%)
  • OEM 2021 GMC Sierra 3500 HD Cable Diagram - 12716289
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Cable

    PartNumber: 12716289
    OEM 2021 GMC Sierra 3500 HD Cable - 12716289
    Product Specifications
    • Notes: 6.6 Liter Gas; Plug Wire; Silverado, Sierra 3500 Hd
    • Other Names: Cable, Cable Set, Plug Wire
    • Fitment Type: Direct Replacement
    • Replaces: 12633447, 12670293
    • Part Description: 2021 GMC Sierra 3500 HD Cable
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $16.63 MSRP: $31.37
    You Save: $14.74 (47%)
  • OEM 2021 GMC Sierra 3500 HD Glow Plug Diagram - 12690238
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    OEM (Genuine) 2021 GMC Sierra 3500 HD Glow Plug

    PartNumber: 12690238
    OEM 2021 GMC Sierra 3500 HD Glow Plug - 12690238
    Product Specifications
    • Other Names: Glow Plug
    • Item Dimensions: 6.4 x 1.4 x 1.1 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12725202
    • Part Description: 2021 GMC Sierra 3500 HD Glow Plug
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $22.59 MSRP: $40.90
    You Save: $18.31 (45%)