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2021 GMC Sierra 1500
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Engine & Drivetrain
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OEM (Genuine) 2021 GMC Sierra 1500 Spark Plug
PartNumber: 12622441
Product Specifications- Notes: 4.3 Liter; 5.3 & 6.2 Liter
- 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 1500 Spark Plug
Vehicle Fitment- 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
$8.74 MSRP:$15.80You Save: $7.06 (45%)
OEM (Genuine) 2021 GMC Sierra 1500 Cable
PartNumber: 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 1500 Cable
Vehicle Fitment- 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
$16.63 MSRP:$31.37You Save: $14.74 (47%)
OEM (Genuine) 2021 GMC Sierra 1500 Wire
PartNumber: 12697820
Product Specifications- Other Names: Wire
- Replaced by: 12734111
- Part Description: 2021 GMC Sierra 1500 Wire
Vehicle Fitment- 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
$46.95 MSRP:$74.55You Save: $27.60 (38%)
OEM (Genuine) 2021 GMC Sierra 1500 Glow Plug
PartNumber: 55496294
Product Specifications- Other Names: Glow Plug, Harness
- Item Dimensions: 23.8 x 1.2 x 1.0 inches
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 1500 Glow Plug
Vehicle Fitment- 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
$35.39 MSRP:$56.21You Save: $20.82 (38%)
OEM (Genuine) 2021 GMC Sierra 1500 Wire
PartNumber: 12697823
Product Specifications- Other Names: Wire
- Fitment Type: Direct Replacement
- Replaced by: 12734112
- Part Description: 2021 GMC Sierra 1500 Wire
Vehicle Fitment- 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
$32.07 MSRP:$50.91You Save: $18.84 (38%)
OEM (Genuine) 2021 GMC Sierra 1500 Spark Plug
PartNumber: 12688094
Product Specifications- Notes: 2.7 Liter Turbo
- Other Names: Spark Plug
- Item Dimensions: 3.8 x 3.3 x 0.8 inches
- Fitment Type: Direct Replacement
- Part Description: 2021 GMC Sierra 1500 Spark Plug
Vehicle Fitment- 2021 GMC Sierra 1500 | Base, Elevation, SLE | 4 Cyl 2.7 L GAS
$9.69 MSRP:$17.52You Save: $7.83 (45%)
OEM (Genuine) 2021 GMC Sierra 1500 Cable
PartNumber: 12716289
Product Specifications- Notes: Silverado, Sierra; 4.3 Liter; 5.3 & 6.2 Liter
- Other Names: Cable, Cable Set, Plug Wire
- Fitment Type: Direct Replacement
- Replaces: 12633447, 12670293
- Part Description: 2021 GMC Sierra 1500 Cable
Vehicle Fitment- 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
$16.63 MSRP:$31.37You Save: $14.74 (47%)