47  products about 2020 Chevrolet Silverado 3500 HD Valves, Valve Covers & Valvetrain Components found
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Make sure this part fits,  Select Vehicle $30.70  MSRP: $50.82 
You Save: $20.12 (40%)
Product Specifications 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:   2020 Chevrolet Silverado 3500 HD Valve Lifters More Info Make sure this part fits,  Select Vehicle $14.63  MSRP: $27.56 
You Save: $12.93 (47%)
Product Specifications Notes:   6.6 Liter Gas 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:   2020 Chevrolet Silverado 3500 HD Filler Cap More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $4.79  MSRP: $7.92 
You Save: $3.13 (40%)
Product Specifications Notes:   6.6 Liter Gas; Silverado, Sierra 3500 Hd 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:   2020 Chevrolet Silverado 3500 HD Valve Cover Gasket More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $4.79  MSRP: $7.92 
You Save: $3.13 (40%)
Product Specifications Notes:   6.6 Liter Gas; Silverado, Sierra 3500 Hd 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:   2020 Chevrolet Silverado 3500 HD Valve Cover Gasket More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $3.86  MSRP: $9.12 
You Save: $5.26 (58%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd 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:   2020 Chevrolet Silverado 3500 HD Push Rods More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $15.68  MSRP: $25.93 
You Save: $10.25 (40%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd 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:   2020 Chevrolet Silverado 3500 HD Rocker Arms More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $70.79  MSRP: $117.19 
You Save: $46.40 (40%)
Product Specifications 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:   2020 Chevrolet Silverado 3500 HD Valve Cover More Info Make sure this part fits,  Select Vehicle $4.68  MSRP: $7.43 
You Save: $2.75 (38%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd 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:   2020 Chevrolet Silverado 3500 HD Valve Keeper More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $5.38  MSRP: $8.92 
You Save: $3.54 (40%)
Product Specifications Notes:   6.6 Liter Gas Item Dimensions:   3.2 x 2.3 x 2.0 inches Item Weight:   0.40 Pounds Fitment Type:   Direct Replacement Replaces:   12634025 Part Description:   2020 Chevrolet Silverado 3500 HD Filler Tube More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $4.88  MSRP: $7.74 
You Save: $2.86 (37%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd; 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:   2020 Chevrolet Silverado 3500 HD Valve Seals More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $5.34  MSRP: $8.46 
You Save: $3.12 (37%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd; 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:   2020 Chevrolet Silverado 3500 HD Valve Seals More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $9.37  MSRP: $17.67 
You Save: $8.30 (47%)
Product Specifications Notes:   6.6 Liter Diesel, Upper Components Other Names:   Filler Cap Item Dimensions:   3.0 x 3.2 x 2.1 inches Item Weight:   0.50 Pounds Fitment Type:   Direct Replacement Replaces:   12683621 Part Description:   2020 Chevrolet Silverado 3500 HD Filler Cap More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL Make sure this part fits,  Select Vehicle $4.88  MSRP: $7.74 
You Save: $2.86 (37%)
Product Specifications 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:   2020 Chevrolet Silverado 3500 HD Valve Springs More Info Make sure this part fits,  Select Vehicle $5.22  MSRP: $9.08 
You Save: $3.86 (43%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd Item Dimensions:   2.2 x 2.0 x 1.7 inches Item Weight:   0.60 Pounds Fitment Type:   Direct Replacement Part Description:   2020 Chevrolet Silverado 3500 HD Cap-Valve Spring More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $5.22  MSRP: $9.08 
You Save: $3.86 (43%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd Item Dimensions:   2.2 x 2.0 x 1.7 inches Item Weight:   0.60 Pounds Fitment Type:   Direct Replacement Part Description:   2020 Chevrolet Silverado 3500 HD Cap-Valve Spring More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $6.28  MSRP: $9.93 
You Save: $3.65 (37%)
Product Specifications Other Names:   Filler Cap, Oil Filter Fitment Type:   Direct Replacement Replaced by:   12731742 Part Description:   2020 Chevrolet Silverado 3500 HD Filler Cap More Info Make sure this part fits,  Select Vehicle $6.68  MSRP: $10.60 
You Save: $3.92 (37%)
Product Specifications Notes:   6.6 Liter Diesel, Upper Components Other Names:   Filler Tube Fitment Type:   Direct Replacement Part Description:   2020 Chevrolet Silverado 3500 HD Filler Tube More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL Make sure this part fits,  Select Vehicle $3.27  MSRP: $5.87 
You Save: $2.60 (45%)
Product Specifications Notes:   6.6 Liter Gas; 6.6 Liter Diesel, Upper Components Item Dimensions:   2.1 x 1.4 x 0.9 inches Item Weight:   0.40 Pounds Fitment Type:   Direct Replacement Replaces:   12632361, 12593348 Part Description:   2020 Chevrolet Silverado 3500 HD Filler Cap Seal More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 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 FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $356.75  MSRP: $566.43 
You Save: $209.68 (38%)
Product Specifications Notes:   6.6 Liter Diesel, Upper Components; Silverado, Sierra 3500 Hd; Right Location:   Passenger Side Other Names:   Valve Cover Item Dimensions:   20.8 x 9.2 x 5.0 inches Fitment Type:   Direct Replacement Replaced by:   12723636 Part Description:   2020 Chevrolet Silverado 3500 HD Valve Cover More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL Make sure this part fits,  Select Vehicle $353.81  MSRP: $561.73 
You Save: $207.92 (38%)
Product Specifications Notes:   6.6 Liter Diesel, Upper Components; Silverado, Sierra 3500 Hd; Left Location:   Driver Side Other Names:   Valve Cover Item Dimensions:   30.0 x 14.4 x 7.0 inches Item Weight:   7.80 Pounds Fitment Type:   Direct Replacement Replaces:   12677064 Replaced by:   12707084 Part Description:   2020 Chevrolet Silverado 3500 HD Valve Cover More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL Make sure this part fits,  Select Vehicle $64.83  MSRP: $107.31 
You Save: $42.48 (40%)
Product Specifications Other Names:   Valve Cover Item Dimensions:   20.6 x 6.1 x 4.5 inches Fitment Type:   Direct Replacement Replaced by:   12723317 Part Description:   2020 Chevrolet Silverado 3500 HD Valve Cover More Info Make sure this part fits,  Select Vehicle $20.93  MSRP: $34.65 
You Save: $13.72 (40%)
Product Specifications Notes:   6.6 Liter Diesel, Upper Components; Silverado, Sierra 3500 Hd Location:   Driver Side; Passenger Side Other Names:   Valve Cover Gasket Item Dimensions:   22.9 x 9.0 x 0.5 inches Item Weight:   0.30 Pounds Fitment Type:   Direct Replacement Replaces:   12643242 Part Description:   2020 Chevrolet Silverado 3500 HD Valve Cover Gasket More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL Make sure this part fits,  Select Vehicle $20.93  MSRP: $34.65 
You Save: $13.72 (40%)
Product Specifications Notes:   6.6 Liter Diesel, Upper Components; Silverado, Sierra 3500 Hd Location:   Driver Side; Passenger Side Other Names:   Valve Cover Gasket Item Dimensions:   22.9 x 9.0 x 0.5 inches Item Weight:   0.30 Pounds Fitment Type:   Direct Replacement Replaces:   12643242 Part Description:   2020 Chevrolet Silverado 3500 HD Valve Cover Gasket More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL Make sure this part fits,  Select Vehicle $64.76  MSRP: $107.19 
You Save: $42.43 (40%)
Product Specifications Other Names:   Head Gasket Item Dimensions:   9.1 x 21.8 x 0.2 inches Item Weight:   1.20 Pounds Fitment Type:   Direct Replacement Replaced by:   12727485 Part Description:   2020 Chevrolet Silverado 3500 HD Head Gasket More Info Make sure this part fits,  Select Vehicle $64.76  MSRP: $107.19 
You Save: $42.43 (40%)
Product Specifications Other Names:   Head Gasket Item Dimensions:   9.1 x 21.8 x 0.2 inches Item Weight:   1.20 Pounds Fitment Type:   Direct Replacement Replaced by:   12727485 Part Description:   2020 Chevrolet Silverado 3500 HD Head Gasket More Info Make sure this part fits,  Select Vehicle $71.35  MSRP: $118.11 
You Save: $46.76 (40%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd Other Names:   Head Gasket Item Dimensions:   21.7 x 9.1 x 0.2 inches Item Weight:   1.10 Pounds Fitment Type:   Direct Replacement Part Description:   2020 Chevrolet Silverado 3500 HD Head Gasket More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $71.35  MSRP: $118.11 
You Save: $46.76 (40%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd Other Names:   Head Gasket Item Dimensions:   21.7 x 9.1 x 0.2 inches Item Weight:   1.10 Pounds Fitment Type:   Direct Replacement Part Description:   2020 Chevrolet Silverado 3500 HD Head Gasket More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $24.75  MSRP: $39.31 
You Save: $14.56 (38%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd Other Names:   Exhaust Valve Fitment Type:   Direct Replacement Replaced by:   12733470 Part Description:   2020 Chevrolet Silverado 3500 HD Exhaust Valve More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L FLEX, 8 Cyl 6.6 L GAS Make sure this part fits,  Select Vehicle $17.42  MSRP: $27.65 
You Save: $10.23 (37%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd; Intake Other Names:   Rocker Arms Item Dimensions:   5.2 x 2.1 x 2.0 inches Item Weight:   0.70 Pounds Fitment Type:   Direct Replacement Part Description:   2020 Chevrolet Silverado 3500 HD Rocker Arms More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL Make sure this part fits,  Select Vehicle $17.42  MSRP: $27.65 
You Save: $10.23 (37%)
Product Specifications Notes:   Silverado, Sierra 3500 Hd; Exhaust Other Names:   Rocker Arms Item Dimensions:   5.2 x 2.0 x 2.1 inches Item Weight:   0.80 Pounds Fitment Type:   Direct Replacement Part Description:   2020 Chevrolet Silverado 3500 HD Rocker Arms More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL