111 products about 2021 Chevrolet Silverado 3500 HD A/C & Heating foundVEHICLE SPECIFIC Product Specifications Notes: Regular Cab, Non-Extending, Right Side Only; Regular Cab, Manual Extending, W/O Power, Right Side Only; Regular Cab, Manual Extending, W/Power, Manual Folding, Right Side Only; Regular Cab, Manual Extending, W/Power, Power Folding, Right Side Only; Double & Crew Cab, Non-Extending, Right Side Only; Double & Crew Cab, Manual Extending, W/O Power, Right Side Only; Double & Crew Cab, Manual Extending, W/Power, Manual Folding, Right Side Only; Double & Crew Cab, Manual Extending, W/Power, Power Folding, Right Side Only; Double & Crew Cab, Power Extending, Right Side Only Location: Passenger Side Item Dimensions: 2.0 x 2.1 x 1.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD In-Car 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 DIESEL, 8 Cyl 6.6 L GAS $8.36 MSRP: $15.76
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Regular Cab, Non-Extending, Right Side Only; Regular Cab, Manual Extending, W/O Power, Right Side Only; Regular Cab, Manual Extending, W/Power, Manual Folding, Right Side Only; Regular Cab, Manual Extending, W/Power, Power Folding, Right Side Only; Double & Crew Cab, Non-Extending, Right Side Only; Double & Crew Cab, Manual Extending, W/O Power, Right Side Only; Double & Crew Cab, Manual Extending, W/Power, Manual Folding, Right Side Only; Double & Crew Cab, Manual Extending, W/Power, Power Folding, Right Side Only; Double & Crew Cab, Power Extending, Right Side Only Location: Passenger Side Item Dimensions: 2.0 x 2.1 x 1.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD In-Car 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 DIESEL, 8 Cyl 6.6 L GAS $8.36 MSRP: $15.76
You Save: $7.40 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Regular Cab, Non-Extending, Right Side Only; Regular Cab, Manual Extending, W/O Power, Right Side Only; Regular Cab, Manual Extending, W/Power, Manual Folding, Right Side Only; Regular Cab, Manual Extending, W/Power, Power Folding, Right Side Only; Double & Crew Cab, Non-Extending, Right Side Only; Double & Crew Cab, Manual Extending, W/O Power, Right Side Only; Double & Crew Cab, Manual Extending, W/Power, Manual Folding, Right Side Only; Double & Crew Cab, Manual Extending, W/Power, Power Folding, Right Side Only; Double & Crew Cab, Power Extending, Right Side Only Location: Passenger Side Item Dimensions: 2.0 x 2.1 x 1.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD In-Car 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 DIESEL, 8 Cyl 6.6 L GAS $8.36 MSRP: $15.76
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Item Dimensions: 13.6 x 11.1 x 1.2 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Replaces: 23456097, 13356916 Part Description: 2021 Chevrolet Silverado 3500 HD In-Car 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 $30.81 MSRP: $55.78
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas, Low Pressure Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2021 Chevrolet Silverado 3500 HD AC Tube Seal 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 DIESEL, 8 Cyl 6.6 L GAS $7.78 MSRP: $14.06
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas, Low Pressure Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2021 Chevrolet Silverado 3500 HD AC Tube Seal 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 DIESEL, 8 Cyl 6.6 L GAS $7.78 MSRP: $14.06
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas, Low Pressure Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2021 Chevrolet Silverado 3500 HD AC Tube Seal 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 DIESEL, 8 Cyl 6.6 L GAS $7.78 MSRP: $14.06
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas, Low Pressure Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2021 Chevrolet Silverado 3500 HD AC Tube Seal 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 DIESEL, 8 Cyl 6.6 L GAS $7.78 MSRP: $14.06
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas, Low Pressure Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2021 Chevrolet Silverado 3500 HD AC Tube Seal 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 DIESEL, 8 Cyl 6.6 L GAS $7.78 MSRP: $14.06
You Save: $6.28 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas, Low Pressure Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2021 Chevrolet Silverado 3500 HD AC Tube Seal 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 DIESEL, 8 Cyl 6.6 L GAS $7.78 MSRP: $14.06
You Save: $6.28 (45%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas, Low Pressure Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2021 Chevrolet Silverado 3500 HD AC Tube Seal 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 DIESEL, 8 Cyl 6.6 L GAS $7.78 MSRP: $14.06
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Other Names: Condenser Item Dimensions: 47.3 x 20.7 x 8.8 inches Item Weight: 7.60 Pounds Fitment Type: Direct Replacement Replaced by: 86507080 Part Description: 2021 Chevrolet Silverado 3500 HD Condenser More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $196.49 MSRP: $296.38
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Other Names: Condenser Item Dimensions: 48.8 x 21.2 x 9.0 inches Item Weight: 7.70 Pounds Fitment Type: Direct Replacement Replaced by: 85524339 Part Description: 2021 Chevrolet Silverado 3500 HD Condenser More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $182.79 MSRP: $275.74
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Check Fit Add to CartVEHICLE SPECIFIC 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: 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 $26.99 MSRP: $53.59
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Other Names: Compressor Item Dimensions: 14.3 x 13.7 x 10.5 inches Item Weight: 14.30 Pounds Replaced by: 85652432 Part Description: 2021 Chevrolet Silverado 3500 HD Compressor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $278.30 MSRP: $506.02
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Other Names: Compressor Item Dimensions: 14.0 x 13.9 x 10.9 inches Item Weight: 14.00 Pounds Fitment Type: Direct Replacement Replaced by: 85652448 Part Description: 2021 Chevrolet Silverado 3500 HD Compressor More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $285.18 MSRP: $518.52
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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 Other Names: Dehydrator, Drier Item Dimensions: 3.2 x 3.2 x 16.8 inches Item Weight: 16.20 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Drier 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 $123.99 MSRP: $233.97
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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 Other Names: Dehydrator, Drier Item Dimensions: 3.2 x 3.2 x 16.8 inches Item Weight: 16.20 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Drier 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 $123.99 MSRP: $233.97
You Save: $109.98 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; 6.6 Liter Diesel; Silverado, Sierra 3500 Hd Other Names: Dehydrator, Drier Item Dimensions: 3.2 x 3.2 x 16.8 inches Item Weight: 16.20 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Drier 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 $123.99 MSRP: $233.97
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado 3500 Hd; W/O Rear Window Defogger; 2024, Work Truck, W/O Dual-Zone, W/O Heated Seats, Labeled 84542732 Other Names: Dash Control Unit, Heater Control Item Dimensions: 14.4 x 5.5 x 3.4 inches Item Weight: 0.80 Pounds Fitment Type: Direct Replacement Replaces: 84499502 Part Description: 2021 Chevrolet Silverado 3500 HD Dash Control Unit 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 $120.48 MSRP: $227.33
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado 3500 Hd; W/O Rear Window Defogger; 2024, Work Truck, W/O Dual-Zone, W/O Heated Seats, Labeled 84542732 Other Names: Dash Control Unit, Heater Control Item Dimensions: 14.4 x 5.5 x 3.4 inches Item Weight: 0.80 Pounds Fitment Type: Direct Replacement Replaces: 84499502 Part Description: 2021 Chevrolet Silverado 3500 HD Dash Control Unit 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 $120.48 MSRP: $227.33
You Save: $106.85 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Silverado 3500 Hd; W/O Rear Window Defogger; 2024, Work Truck, W/O Dual-Zone, W/O Heated Seats, Labeled 84542732 Other Names: Dash Control Unit, Heater Control Item Dimensions: 14.4 x 5.5 x 3.4 inches Item Weight: 0.80 Pounds Fitment Type: Direct Replacement Replaces: 84499502 Part Description: 2021 Chevrolet Silverado 3500 HD Dash Control Unit 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 $120.48 MSRP: $227.33
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Other Names: Clutch, Clutch Plate & Hub Assembly, Clutch Pulley Replaced by: 85652433 Part Description: 2021 Chevrolet Silverado 3500 HD Clutch Plate & Hub Assembly 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 $123.92 MSRP: $224.30
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd; Gas Item Dimensions: 39.5 x 22.8 x 11.2 inches Item Weight: 2.10 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Front Suction Hose More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $123.61 MSRP: $224.76
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.6 Liter Gas; Silverado, Sierra 3500 Hd; Gas Item Dimensions: 39.5 x 22.8 x 11.2 inches Item Weight: 2.10 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Front Suction Hose More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LT, LTZ, WT | 8 Cyl 6.6 L GAS $123.61 MSRP: $224.76
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2024, Work Truck, W/O Dual-Zone, W/Heated Seats, W/O Dual-Zone, W/Heated Seats Other Names: Heater Control Item Dimensions: 11.8 x 4.8 x 4.9 inches Item Weight: 0.90 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Heater Control More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | LT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $115.20 MSRP: $208.53
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2024, Work Truck, W/O Dual-Zone, W/Heated Seats, W/O Dual-Zone, W/Heated Seats Other Names: Heater Control Item Dimensions: 11.8 x 4.8 x 4.9 inches Item Weight: 0.90 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Heater Control More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | LT | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $115.20 MSRP: $208.53
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Other Names: Heater Core Replaces: 84532401 Part Description: 2021 Chevrolet Silverado 3500 HD Heater Core 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 $111.94 MSRP: $202.63
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Other Names: Module Fitment Type: Direct Replacement Replaced by: 13547618 Part Description: 2021 Chevrolet Silverado 3500 HD Module More Info Vehicle Fitment 2021 Chevrolet Silverado 3500 HD | High Country, LTZ | 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS $84.17 MSRP: $126.99
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2024, Work Truck, W/Dual-Zone, W/O Heated Seats, W/Dual-Zone, W/O Heated Seats Other Names: Dash Control Unit, Heater Control Item Dimensions: 11.8 x 4.8 x 4.9 inches Item Weight: 0.80 Pounds Fitment Type: Direct Replacement Part Description: 2021 Chevrolet Silverado 3500 HD Dash Control Unit 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 $136.10 MSRP: $256.82
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