75 products about 2021 GMC Sierra 1500 Valves, Valve Covers & Valvetrain Components foundVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; Non Active Other Names: Valve Lifters Item Dimensions: 6.7 x 4.4 x 4.6 inches Item Weight: 2.20 Pounds Fitment Type: Direct Replacement Replaced by: 12698945 Part Description: 2021 GMC Sierra 1500 Valve Lifters More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 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 FLEX, 8 Cyl 6.2 L GAS $29.30 MSRP: $48.50
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 4.3 Liter Other Names: Engine Cover, Filler Cap Item Dimensions: 1.1 x 1.0 x 1.1 inches Item Weight: 1.20 Pounds Fitment Type: Direct Replacement Replaces: 12650076, 12655473 Replaced by: 12713786 Part Description: 2021 GMC Sierra 1500 Filler Cap More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base, Denali, 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 $13.59 MSRP: $25.60
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Head Gasket Item Dimensions: 8.2 x 20.8 x 1.1 inches Item Weight: 1.10 Pounds Fitment Type: Direct Replacement Replaces: 12659260, 12622331 Part Description: 2021 GMC Sierra 1500 GASKET-CYL HD More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, SLT | 8 Cyl 6.2 L GAS $70.23 MSRP: $104.77
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Head Gasket Item Dimensions: 8.2 x 20.8 x 1.1 inches Item Weight: 1.10 Pounds Fitment Type: Direct Replacement Replaces: 12659260, 12622331 Part Description: 2021 GMC Sierra 1500 GASKET-CYL HD More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, SLT | 8 Cyl 6.2 L GAS $70.23 MSRP: $104.77
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3 & 6.2 Liter; Silverado, Sierra Location: Driver Side; Passenger Side Other Names: Valve Cover Gasket Item Dimensions: 20.9 x 5.0 x 0.5 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Valve Cover Gasket More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 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 $4.54 MSRP: $7.19
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3 & 6.2 Liter; Silverado, Sierra Location: Driver Side; Passenger Side Other Names: Valve Cover Gasket Item Dimensions: 20.9 x 5.0 x 0.5 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Valve Cover Gasket More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 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 $4.54 MSRP: $7.19
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Push Rod Item Dimensions: 8.7 x 0.9 x 0.5 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Push Rods More Info 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 $3.69 MSRP: $8.71
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Head Gasket Item Dimensions: 21.9 x 8.8 x 0.2 inches Item Weight: 1.20 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Gasket-Cyl Head More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS $55.07 MSRP: $82.17
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Head Gasket Item Dimensions: 21.9 x 8.8 x 0.2 inches Item Weight: 1.20 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Gasket-Cyl Head More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS $55.07 MSRP: $82.17
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Rocker Arms Item Dimensions: 3.5 x 2.8 x 1.6 inches Item Weight: 0.60 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Rocker Arms More Info 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 $14.57 MSRP: $24.10
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; 3.0L Diesel; 3.0 Liter Diesel Other Names: Rocker Arms, Turbocharger Item Dimensions: 20.9 x 16.2 x 15.9 inches Item Weight: 26.70 Pounds Fitment Type: Direct Replacement Replaced by: 40009289 Part Description: 2021 GMC Sierra 1500 Rocker Arms More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL $814.35 MSRP: $1286.29
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3 & 6.2 Liter Other Names: Filler Cap Item Dimensions: 3.1 x 3.2 x 2.0 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 12634022 Part Description: 2021 GMC Sierra 1500 Filler Cap More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 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 $7.41 MSRP: $13.39
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Intake Valve Item Dimensions: 6.2 x 3.1 x 3.1 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Valve-Intake More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, SLT | 8 Cyl 6.2 L GAS $19.01 MSRP: $33.06
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Valve Keeper Item Dimensions: 2.1 x 1.6 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Valve Keeper More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, C3, Denali, Elevation, HT, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS $3.17 MSRP: $5.03
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; Exhaust Other Names: Valve Seal Item Dimensions: 1.9 x 1.9 x 1.1 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 12645472 Part Description: 2021 GMC Sierra 1500 Valve Seals More Info 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 $4.54 MSRP: $7.20
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; Intake Other Names: Valve Seal Item Dimensions: 1.8 x 1.9 x 1.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 12645473 Part Description: 2021 GMC Sierra 1500 Valve Seals More Info 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 FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS $4.97 MSRP: $7.88
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Intake Valve, Valves Item Dimensions: 6.5 x 3.3 x 3.2 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Valves More Info 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 $6.10 MSRP: $9.66
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Intake Valve, Valves Item Dimensions: 6.5 x 3.3 x 3.2 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Valves More Info 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 $6.10 MSRP: $9.66
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Head Gasket Item Dimensions: 16.0 x 9.0 x 0.2 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Head Gasket More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base, Elevation, SLE | 4 Cyl 2.7 L GAS, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS $78.96 MSRP: $125.39
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Head Gasket Item Dimensions: 16.0 x 9.0 x 0.2 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Head Gasket More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base, Elevation, SLE | 4 Cyl 2.7 L GAS, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS $78.96 MSRP: $125.39
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2.7 Liter Turbo; Silverado, Sierra Other Names: Valve Cover Item Dimensions: 26.0 x 12.4 x 9.2 inches Item Weight: 14.60 Pounds Fitment Type: Direct Replacement Replaced by: 12700662 Part Description: 2021 GMC Sierra 1500 Valve Cover More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base, Elevation, SLE | 4 Cyl 2.7 L GAS $172.57 MSRP: $273.99
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 5.3 & 6.2 Liter; Silverado, Sierra; Right Location: Passenger Side Other Names: Valve Cover Item Dimensions: 22.8 x 6.5 x 6.8 inches Item Weight: 4.80 Pounds Fitment Type: Direct Replacement Replaced by: 12727455 Part Description: 2021 GMC Sierra 1500 Valve Cover More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 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 $67.09 MSRP: $106.54
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Valve Keeper Item Dimensions: 1.5 x 1.5 x 0.2 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Valve Keeper More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL $4.56 MSRP: $7.53
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 3.0 Liter Diesel; Silverado, Sierra Other Names: Valve Cover Item Dimensions: 32.6 x 12.5 x 7.5 inches Item Weight: 7.80 Pounds Fitment Type: Direct Replacement Replaced by: 40009155 Part Description: 2021 GMC Sierra 1500 Valve Cover More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL $84.89 MSRP: $134.76
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2.7 Liter Turbo Other Names: Filler Cap Item Dimensions: 2.6 x 2.7 x 2.1 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 GMC Sierra 1500 Filler Cap More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base, Elevation, SLE | 4 Cyl 2.7 L GAS $6.34 MSRP: $11.94
You Save: $5.60 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Valve Spring Item Dimensions: 2.8 x 1.9 x 1.5 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Replaces: 12661339, 12629515, 12678635 Part Description: 2021 GMC Sierra 1500 Valve Springs More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, SLT | 8 Cyl 6.2 L GAS $4.25 MSRP: $7.03
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 4.3 Liter; Silverado, Sierra; Right Location: Passenger Side Other Names: Valve Cover Item Dimensions: 17.7 x 6.4 x 6.5 inches Item Weight: 3.80 Pounds Fitment Type: Direct Replacement Replaced by: 12692545 Part Description: 2021 GMC Sierra 1500 Valve Cover More Info Vehicle Fitment 2021 GMC Sierra 1500 | Base, Denali, 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 $68.09 MSRP: $108.12
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; 1.30MM Other Names: Head Gasket Item Dimensions: 27.4 x 12.5 x 0.2 inches Item Weight: 1.60 Pounds Fitment Type: Direct Replacement Replaced by: 40009079 Part Description: 2021 GMC Sierra 1500 Head Gasket More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL $69.42 MSRP: $114.92
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra; 1.30MM Other Names: Head Gasket Item Dimensions: 27.4 x 12.5 x 0.2 inches Item Weight: 1.60 Pounds Fitment Type: Direct Replacement Replaced by: 40009079 Part Description: 2021 GMC Sierra 1500 Head Gasket More Info Vehicle Fitment 2021 GMC Sierra 1500 | AT4, Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL $69.42 MSRP: $114.92
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Other Names: Valve Spring Item Dimensions: 2.8 x 1.9 x 1.4 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Replaced by: 12728733 Part Description: 2021 GMC Sierra 1500 Valve Springs More Info 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 $4.36 MSRP: $7.20
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