58 products about 2021 Chevrolet Silverado 3500 HD Air Filters & Intake Systems foundVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd; Gas Other Names: Intake Manifold Gasket, Manifold Gasket Item Dimensions: 3.4 x 2.5 x 0.4 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Manifold Gasket More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $2.17 MSRP: $3.58
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; Gas Item Dimensions: 4.7 x 4.5 x 0.4 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Supercharger Gasket Set More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $7.83 MSRP: $14.76
You Save: $6.93 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; Gas Item Dimensions: 4.7 x 4.5 x 0.4 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Supercharger Gasket Set More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $7.83 MSRP: $14.76
You Save: $6.93 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; Gas Item Dimensions: 4.7 x 4.5 x 0.4 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Supercharger Gasket Set More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $7.83 MSRP: $14.76
You Save: $6.93 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; Gas Other Names: Throttle Body Item Dimensions: 6.2 x 5.1 x 10.4 inches Item Weight: 4.30 Pounds Fitment Type: Direct Replacement Replaced by: 12729495 Part Description: 2021 Chevrolet Silverado 3500 HD Throttle Body More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $160.91 MSRP: $303.61
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Sensors; Silverado, Sierra 3500 Hd; Diesel Item Dimensions: 2.1 x 2.0 x 2.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 12670600 Replaced by: 12707766 Part Description: 2021 Chevrolet Silverado 3500 HD Sensor Asm-Intake Air Pressure & Temperature More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $26.29 MSRP: $52.19
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Sensors; Silverado, Sierra 3500 Hd; Diesel Item Dimensions: 2.1 x 2.0 x 2.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 12670600 Replaced by: 12707766 Part Description: 2021 Chevrolet Silverado 3500 HD Sensor Asm-Intake Air Pressure & Temperature More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $26.29 MSRP: $52.19
You Save: $25.90 (50%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Sensors; Silverado, Sierra 3500 Hd; Diesel Item Dimensions: 2.1 x 2.0 x 2.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 12670600 Replaced by: 12707766 Part Description: 2021 Chevrolet Silverado 3500 HD Sensor Asm-Intake Air Pressure & Temperature More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $26.29 MSRP: $52.19
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd; Gas Other Names: Intake Manifold, Manifold Item Dimensions: 29.5 x 18.6 x 12.6 inches Item Weight: 15.80 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Manifold More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $181.77 MSRP: $300.86
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; Gas Other Names: Mass Air Flow Sensor Item Dimensions: 1.7 x 1.8 x 0.4 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaced by: 12714453 Part Description: 2021 Chevrolet Silverado 3500 HD Mass Air Flow Sensor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $48.92 MSRP: $92.32
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; Extended Crew Cab;Silverado, Sierra 3500 Hd; Regular Cab Chassis; 137.0;Silverado, Sierra 3500 Hd; Regular Cab Chassis; 161.5 Item Dimensions: 6.2 x 4.0 x 4.1 inches Item Weight: 0.60 Pounds Fitment Type: Direct Replacement Replaces: 13575704 Part Description: 2021 Chevrolet Silverado 3500 HD Vent Control Solenoid More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $17.86 MSRP: $33.71
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd; Gas Other Names: Air Filter Item Dimensions: 3.7 x 12.7 x 11.9 inches Item Weight: 2.20 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Air Filter More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $36.50 MSRP: $66.08
You Save: $29.58 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Upper Components, Upper; Silverado, Sierra 3500 Hd; Diesel; Upper Other Names: Intake Manifold, Manifold Item Dimensions: 30.0 x 18.6 x 10.6 inches Item Weight: 8.40 Pounds Fitment Type: Direct Replacement Replaced by: 12702671 Part Description: 2021 Chevrolet Silverado 3500 HD Manifold More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $115.89 MSRP: $183.97
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Engine Compartment; Silverado, Sierra 3500 Hd; Diesel Other Names: Air Mass Sensor, Mass Air Flow Sensor Item Dimensions: 5.3 x 2.1 x 2.1 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 22951817 Part Description: 2021 Chevrolet Silverado 3500 HD Air Mass Sensor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $88.93 MSRP: $167.82
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; 6.6 Liter Diesel; Silverado, Sierra 3500 Hd Item Dimensions: 3.3 x 2.2 x 2.0 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Air Temperature Sensor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $15.66 MSRP: $29.51
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Upper Components, Lower; Silverado, Sierra 3500 Hd; Diesel; Lower; Left;Silverado, Sierra 3500 Hd; Diesel; Lower; Light Location: Driver Side Other Names: Intake Manifold, Manifold Item Dimensions: 19.5 x 5.0 x 3.2 inches Item Weight: 3.20 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Manifold More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $67.10 MSRP: $106.54
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; Diesel Other Names: Throttle Body Item Dimensions: 9.8 x 8.1 x 6.6 inches Item Weight: 2.20 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Throttle Body More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $44.58 MSRP: $80.70
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas, 8 Ft Box; Silverado, Sierra 3500 Hd; Crew Cab; Long Box;Silverado, Sierra 3500 Hd; Double/Extended Cab;Silverado, Sierra 3500 Hd; Regular Cab Other Names: Solenoid Valve, Vent Control Solenoid Item Dimensions: 27.2 x 10.9 x 4.8 inches Item Weight: 0.90 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Vent Control Solenoid More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $54.18 MSRP: $98.08
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Engine Compartment Other Names: Outlet Duct, Outlet Tube Fitment Type: Direct Replacement Replaces: 23384622 Replaced by: 85013706 Part Description: 2021 Chevrolet Silverado 3500 HD Outlet Tube More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $46.57 MSRP: $70.26
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Engine Compartment Other Names: Outlet Duct, Outlet Tube Fitment Type: Direct Replacement Replaces: 23384622 Replaced by: 85013706 Part Description: 2021 Chevrolet Silverado 3500 HD Outlet Tube More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $46.57 MSRP: $70.26
You Save: $23.69 (34%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Engine Compartment Other Names: Outlet Duct, Outlet Tube Fitment Type: Direct Replacement Replaces: 23384622 Replaced by: 85013706 Part Description: 2021 Chevrolet Silverado 3500 HD Outlet Tube More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $46.57 MSRP: $70.26
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Upper Components, Lower; Silverado, Sierra 3500 Hd; Diesel; Lower; Right Location: Passenger Side Other Names: Intake Manifold, Manifold Item Dimensions: 6.1 x 6.4 x 22.4 inches Item Weight: 3.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Manifold More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $65.00 MSRP: $107.60
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Engine Compartment; Silverado, Sierra 3500 Hd; Diesel Other Names: Air Filter Item Dimensions: 12.2 x 12.2 x 3.9 inches Item Weight: 2.20 Pounds Fitment Type: Direct Replacement Replaced by: 85614334 Part Description: 2021 Chevrolet Silverado 3500 HD Air Filter More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $30.91 MSRP: $55.97
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas Other Names: Intake Duct Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Intake Duct More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $29.62 MSRP: $44.69
You Save: $15.07 (34%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas Other Names: Intake Duct Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Intake Duct More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $29.62 MSRP: $44.69
You Save: $15.07 (34%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas Other Names: Intake Duct Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Intake Duct More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $29.62 MSRP: $44.69
You Save: $15.07 (34%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas Other Names: Air Mass Sensor, Mass Air Flow Sensor Fitment Type: Direct Replacement Replaces: 12671620 Part Description: 2021 Chevrolet Silverado 3500 HD Air Mass Sensor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $48.92 MSRP: $92.32
You Save: $43.40 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd; Gas Fitment Type: Direct Replacement Replaces: 12594942, 12701247, 12644228, 12694725 Part Description: 2021 Chevrolet Silverado 3500 HD Booster Sensor More Info Vehicle Fitment 2021 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 GAS $46.61 MSRP: $87.96
You Save: $41.35 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd; Gas Fitment Type: Direct Replacement Replaces: 12594942, 12701247, 12644228, 12694725 Part Description: 2021 Chevrolet Silverado 3500 HD Booster Sensor More Info Vehicle Fitment 2021 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 GAS $46.61 MSRP: $87.96
You Save: $41.35 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Lower Components; Silverado, Sierra 3500 Hd; Diesel Other Names: Oil Filter Item Dimensions: 4.6 x 4.1 x 4.0 inches Item Weight: 1.10 Pounds Fitment Type: Direct Replacement Replaces: 89017527 Part Description: 2021 Chevrolet Silverado 3500 HD Oil Filter More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $11.90 MSRP: $21.52
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