38 products about 2021 Chevrolet Silverado 3500 HD Emission Control foundVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd Other Names: Purge Control Valve, Purge Solenoid, Purge Valve Item Dimensions: 5.0 x 5.0 x 4.3 inches Item Weight: 0.60 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Purge Control Valve 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 $34.94 MSRP: $65.92
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd Other Names: Purge Control Valve, Purge Solenoid, Purge Valve Item Dimensions: 5.0 x 5.0 x 4.3 inches Item Weight: 0.60 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Purge Control Valve 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 $34.94 MSRP: $65.92
You Save: $30.98 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd Other Names: Purge Control Valve, Purge Solenoid, Purge Valve Item Dimensions: 5.0 x 5.0 x 4.3 inches Item Weight: 0.60 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Purge Control Valve 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 $34.94 MSRP: $65.92
You Save: $30.98 (47%)
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, Emission Reduction System Other Names: Filler Cap, Filler Pipe Cap Item Dimensions: 6.3 x 2.8 x 2.0 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Filler Pipe Cap More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $14.10 MSRP: $26.58
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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
You Save: $15.85 (48%)
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: Silverado, Sierra 3500 Hd; Position 3;Silverado, Sierra 3500 Hd; Position 4;Silverado, Sierra 3500 Hd; Position 5; 6.6 Liter Diesel, Sensors, At Convtr & Pipe; 6.6 Liter Diesel, Sensors, At Muffler & Pipe, Posn 1, 2 Other Names: Exhaust Temperature Sensor, Temperature Sensor Item Dimensions: 25.4 x 1.1 x 1.0 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 12672685 Part Description: 2021 Chevrolet Silverado 3500 HD Exhaust Temperature Sensor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $37.15 MSRP: $70.12
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Emission Reduction System Other Names: Tank, Tank Strap Replaced by: 87821864 Part Description: 2021 Chevrolet Silverado 3500 HD Tank Strap More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $524.79 MSRP: $868.57
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel Other Names: Cooler, EGR Cooler Item Dimensions: 20.0 x 10.3 x 10.7 inches Item Weight: 20.10 Pounds Fitment Type: Direct Replacement Replaces: 12634051 Replaced by: 12720269 Part Description: 2021 Chevrolet Silverado 3500 HD Cooler More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $334.38 MSRP: $694.32
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra 3500 Hd; Diesel; 6.6 Liter Diesel, Upper Components Other Names: Oil/Air Separator, Separator Item Dimensions: 15.2 x 11.6 x 10.4 inches Item Weight: 4.20 Pounds Fitment Type: Direct Replacement Replaced by: 19432816 Part Description: 2021 Chevrolet Silverado 3500 HD Oil/Air Separator More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $189.28 MSRP: $300.53
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel Other Names: By-Pass Valve, EGR Valve Item Dimensions: 7.1 x 13.7 x 11.6 inches Item Weight: 6.50 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD EGR Valve More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $186.17 MSRP: $351.28
You Save: $165.11 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel Other Names: By-Pass Valve, EGR Valve Item Dimensions: 7.1 x 13.7 x 11.6 inches Item Weight: 6.50 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD EGR Valve More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $186.17 MSRP: $351.28
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, At Manifold Item Dimensions: 25.2 x 10.1 x 1.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD EGR Temperature Sensor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $48.95 MSRP: $92.38
You Save: $43.43 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, At Manifold Item Dimensions: 25.2 x 10.1 x 1.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD EGR Temperature Sensor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $48.95 MSRP: $92.38
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd Other Names: Vapor Canister Item Dimensions: 15.3 x 11.6 x 6.6 inches Item Weight: 4.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Vapor Canister 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 $153.31 MSRP: $289.28
You Save: $135.97 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd Other Names: Vapor Canister Item Dimensions: 15.3 x 11.6 x 6.6 inches Item Weight: 4.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Vapor Canister 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 $153.31 MSRP: $289.28
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel Other Names: EGR Valve Gasket, Valve Gasket Item Dimensions: 4.5 x 3.9 x 0.2 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Replaces: 12670937 Part Description: 2021 Chevrolet Silverado 3500 HD EGR Valve Gasket More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $19.03 MSRP: $35.88
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, At Cross Over Pipe Item Dimensions: 6.9 x 4.8 x 4.4 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD EGR Temperature Sensor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $30.60 MSRP: $57.76
You Save: $27.16 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, At Cross Over Pipe Item Dimensions: 6.9 x 4.8 x 4.4 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD EGR Temperature Sensor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $30.60 MSRP: $57.76
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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 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 Other Names: EGR Pipe Item Dimensions: 10.6 x 4.2 x 4.0 inches Item Weight: 4.40 Pounds Fitment Type: Direct Replacement Replaced by: 12688016 Part Description: 2021 Chevrolet Silverado 3500 HD EGR Pipe More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $82.25 MSRP: $155.20
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Lower Other Names: EGR Pipe Gasket, EGR Valve Gasket Item Dimensions: 4.4 x 3.3 x 0.2 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 12677469 Part Description: 2021 Chevrolet Silverado 3500 HD EGR Pipe Gasket More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $19.70 MSRP: $37.16
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel, Lower Other Names: EGR Pipe Gasket, EGR Valve Gasket Item Dimensions: 4.4 x 3.3 x 0.2 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 12677469 Part Description: 2021 Chevrolet Silverado 3500 HD EGR Pipe Gasket More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $19.70 MSRP: $37.16
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel Other Names: Inlet Pipe Item Dimensions: 6.4 x 3.7 x 13.7 inches Item Weight: 1.30 Pounds Fitment Type: Direct Replacement Replaced by: 12696173 Part Description: 2021 Chevrolet Silverado 3500 HD Inlet Pipe More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $71.24 MSRP: $134.44
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas Other Names: PCV Tube Item Dimensions: 7.7 x 6.8 x 1.6 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 12669838 Part Description: 2021 Chevrolet Silverado 3500 HD PCV Tube More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $13.16 MSRP: $20.88
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel Item Dimensions: 3.5 x 2.5 x 0.2 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaced by: 12737098 Part Description: 2021 Chevrolet Silverado 3500 HD Inlet Pipe Gasket More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $4.25 MSRP: $8.00
You Save: $3.75 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel Item Dimensions: 3.5 x 2.5 x 0.2 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaced by: 12737098 Part Description: 2021 Chevrolet Silverado 3500 HD Inlet Pipe Gasket More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $4.25 MSRP: $8.00
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Diesel Other Names: Outlet Hose Item Dimensions: 8.0 x 2.6 x 2.0 inches Item Weight: 0.80 Pounds Fitment Type: Direct Replacement Replaced by: 12719125 Part Description: 2021 Chevrolet Silverado 3500 HD Outlet Hose More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $13.53 MSRP: $25.50
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