38  products about 2020 Chevrolet Silverado 3500 HD Emission Control found
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Make sure this part fits,  Select Vehicle $38.91  MSRP: $74.36 
You Save: $35.45 (48%)
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:   2020 Chevrolet Silverado 3500 HD Purge Control Valve More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 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 $38.91  MSRP: $74.36 
You Save: $35.45 (48%)
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:   2020 Chevrolet Silverado 3500 HD Purge Control Valve More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 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 $38.91  MSRP: $74.36 
You Save: $35.45 (48%)
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:   2020 Chevrolet Silverado 3500 HD Purge Control Valve More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 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 $14.10  MSRP: $26.58 
You Save: $12.48 (47%)
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:   2020 Chevrolet Silverado 3500 HD Filler Pipe 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 $19.67  MSRP: $37.13 
You Save: $17.46 (48%)
Product Specifications Item Dimensions:   6.2 x 4.0 x 4.1 inches Item Weight:   0.60 Pounds Fitment Type:   Direct Replacement Replaces:   13575704 Part Description:   2020 Chevrolet Silverado 3500 HD Vent Control Solenoid More Info Make sure this part fits,  Select Vehicle $19.67  MSRP: $37.13 
You Save: $17.46 (48%)
Product Specifications Item Dimensions:   6.2 x 4.0 x 4.1 inches Item Weight:   0.60 Pounds Fitment Type:   Direct Replacement Replaces:   13575704 Part Description:   2020 Chevrolet Silverado 3500 HD Vent Control Solenoid More Info Make sure this part fits,  Select Vehicle $20.45  MSRP: $38.60 
You Save: $18.15 (48%)
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:   2020 Chevrolet Silverado 3500 HD EGR Valve 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 $4.88  MSRP: $8.82 
You Save: $3.94 (45%)
Product Specifications Notes:   6.6 Liter Diesel; 6.6 Liter Diesel, Upper Item Dimensions:   4.1 x 3.5 x 0.2 inches Item Weight:   0.30 Pounds Fitment Type:   Direct Replacement Replaces:   12670476 Part Description:   2020 Chevrolet Silverado 3500 HD By-Pass Valve 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 $28.27  MSRP: $56.13 
You Save: $27.86 (50%)
Product Specifications 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:   2020 Chevrolet Silverado 3500 HD Sensor Asm-Intake Air Pressure & Temperature More Info Make sure this part fits,  Select Vehicle $40.95  MSRP: $77.28 
You Save: $36.33 (48%)
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:   2020 Chevrolet Silverado 3500 HD Exhaust Temperature Sensor 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 $524.79  MSRP: $868.57 
You Save: $343.78 (40%)
Product Specifications Other Names:   Tank, Tank Strap Replaced by:   87821864 Part Description:   2020 Chevrolet Silverado 3500 HD Tank Strap More Info Make sure this part fits,  Select Vehicle $385.52  MSRP: $800.50 
You Save: $414.98 (52%)
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:   2020 Chevrolet Silverado 3500 HD Cooler 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 $209.87  MSRP: $333.23 
You Save: $123.36 (38%)
Product Specifications 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:   2020 Chevrolet Silverado 3500 HD Oil/Air Separator More Info Make sure this part fits,  Select Vehicle $201.15  MSRP: $373.76 
You Save: $172.61 (47%)
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 Replaced by:   12747510 Part Description:   2020 Chevrolet Silverado 3500 HD EGR Valve 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 $201.15  MSRP: $373.76 
You Save: $172.61 (47%)
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 Replaced by:   12747510 Part Description:   2020 Chevrolet Silverado 3500 HD EGR Valve 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 $52.66  MSRP: $99.38 
You Save: $46.72 (48%)
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:   2020 Chevrolet Silverado 3500 HD EGR Temperature Sensor 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 $52.66  MSRP: $99.38 
You Save: $46.72 (48%)
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:   2020 Chevrolet Silverado 3500 HD EGR Temperature Sensor 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 $164.94  MSRP: $311.22 
You Save: $146.28 (48%)
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:   2020 Chevrolet Silverado 3500 HD Vapor Canister More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 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 $164.94  MSRP: $311.22 
You Save: $146.28 (48%)
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:   2020 Chevrolet Silverado 3500 HD Vapor Canister More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 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 $30.60  MSRP: $57.76 
You Save: $27.16 (48%)
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:   2020 Chevrolet Silverado 3500 HD EGR Temperature Sensor 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 $30.60  MSRP: $57.76 
You Save: $27.16 (48%)
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:   2020 Chevrolet Silverado 3500 HD EGR Temperature Sensor 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 $57.27  MSRP: $108.08 
You Save: $50.81 (48%)
Product Specifications Notes:   6.6 Liter Gas, 8 Ft Box; Silverado, Sierra 3500 Hd; Crew Cab Chassis;Silverado, Sierra 3500 Hd; Crew Cab; Long Box;Silverado, Sierra 3500 Hd; Double 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:   2020 Chevrolet Silverado 3500 HD Vent Control Solenoid More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 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 $57.27  MSRP: $108.08 
You Save: $50.81 (48%)
Product Specifications Notes:   6.6 Liter Gas, 8 Ft Box; Silverado, Sierra 3500 Hd; Crew Cab Chassis;Silverado, Sierra 3500 Hd; Crew Cab; Long Box;Silverado, Sierra 3500 Hd; Double 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:   2020 Chevrolet Silverado 3500 HD Vent Control Solenoid More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 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 $88.49  MSRP: $166.98 
You Save: $78.49 (48%)
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:   2020 Chevrolet Silverado 3500 HD EGR Pipe 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 $21.18  MSRP: $39.98 
You Save: $18.80 (48%)
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:   2020 Chevrolet Silverado 3500 HD EGR Pipe 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 $21.18  MSRP: $39.98 
You Save: $18.80 (48%)
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:   2020 Chevrolet Silverado 3500 HD EGR Pipe 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 $79.53  MSRP: $144.62 
You Save: $65.09 (46%)
Product Specifications 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:   12737236 Part Description:   2020 Chevrolet Silverado 3500 HD Inlet Pipe More Info Make sure this part fits,  Select Vehicle $13.16  MSRP: $20.88 
You Save: $7.72 (37%)
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:   2020 Chevrolet Silverado 3500 HD PCV 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 $4.48  MSRP: $8.44 
You Save: $3.96 (47%)
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:   2020 Chevrolet Silverado 3500 HD Inlet Pipe 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 $4.48  MSRP: $8.44 
You Save: $3.96 (47%)
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:   2020 Chevrolet Silverado 3500 HD Inlet Pipe Gasket More Info Vehicle Fitment 2020 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL