115 products about 2018 GMC Sierra 2500 HD A/C & Heating foundVEHICLE SPECIFIC Product Specifications Notes: Silverado, Sierra Item Dimensions: 2.0 x 2.1 x 1.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2018 GMC Sierra 2500 HD In-Car Sensor More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 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: Silverado, Sierra Item Dimensions: 2.0 x 2.1 x 1.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2018 GMC Sierra 2500 HD In-Car Sensor More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 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: Silverado, Sierra Item Dimensions: 2.0 x 2.1 x 1.0 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 2018 GMC Sierra 2500 HD In-Car Sensor More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 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: 6.0 Liter; 6.6 Liter Diesel, 2017-19; Silverado, Sierra Item Dimensions: 2.5 x 1.5 x 1.1 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 22634172, 13502758, 22678731, 13502759 Part Description: 2018 GMC Sierra 2500 HD Cut-Off Switch More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, 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 $49.55 MSRP: $93.49
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.0 Liter; 6.6 Liter Diesel, 2017-19; Silverado, Sierra Item Dimensions: 2.5 x 1.5 x 1.1 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 22634172, 13502758, 22678731, 13502759 Part Description: 2018 GMC Sierra 2500 HD Cut-Off Switch More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, 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 $49.55 MSRP: $93.49
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.0 Liter; 6.6 Liter Diesel, 2017-19; Silverado, Sierra Item Dimensions: 2.5 x 1.5 x 1.1 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 22634172, 13502758, 22678731, 13502759 Part Description: 2018 GMC Sierra 2500 HD Cut-Off Switch More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, 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 $49.55 MSRP: $93.49
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.0 Liter; 6.6 Liter Diesel, 2017-19; Silverado, Sierra Item Dimensions: 2.5 x 1.5 x 1.1 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 22634172, 13502758, 22678731, 13502759 Part Description: 2018 GMC Sierra 2500 HD Cut-Off Switch More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, 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 $49.55 MSRP: $93.49
You Save: $43.94 (47%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 6.0 Liter; 6.6 Liter Diesel, 2017-19; Silverado, Sierra Item Dimensions: 2.5 x 1.5 x 1.1 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 22634172, 13502758, 22678731, 13502759 Part Description: 2018 GMC Sierra 2500 HD Cut-Off Switch More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, 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 $49.55 MSRP: $93.49
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Coolant Air Bleed Hose Branch Quantity: 1 Color/Finish: Natural Contains Spring: No Coolant Hose Heat Shield Included: No Coolant Hose Length: 11" Coolant Hose Material: Aluminum and Rubber Coolant Hose Protective Sleeve Included: Yes Coolant Hose Type: Single I.D. (Inside Diameter) End 1 Attachment Type: Barbed End 2 Attachment Type: Hose Grade Type: Regular Hose End (1) Inside Diameter (In): 0.155" Hose End (1) Outside Diameter (In): 0.252" Hose End (2) Inside Diameter (In): 0.125" Hose End (2) Outside Diameter (In): 0.232" Hose Shape: Molded Assembly Maximum Working Pressure (psi): 100 PSI OE Part Number: 12605716, 12570675, 12602549 Package Contents: 1 Heater Hose Assembly Thermostatically Controlled: No UPC: 885484876712 With Clamps: No Part Description: 2018 GMC Sierra 2500 HD Hvac Heater Hose Assembly More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: w/7SAS17F Compressor; Reman w/Clutch Clutch Included: Yes Clutch Maximum Diameter: 4.3125 Coil Clock Position: Lead Wire Coil Voltage: 12 Compatible Refrigerant Oil Type: PAG 46 Compressor Type: 7SAS17F Distance From Clutch To Mounting Flange: 0.546875 Mounting Hardware: Included Mounting Type: Tangent Mount New or Reman: Remanufactured O-Ring A Number/Desc: 24402 O-Ring A Quantity: 1 O-Ring B Number/Desc: 24404 O-Ring B Quantity: 1 O-Ring C Number/Desc: Not Required O-Ring C Quantity: NR Pulley Belt Type: Serpentine Pulley Groove Quantity: 6 Pulley Lip Diameter: 4.3125 Pulley Outside Diameter: 4.3125 Pulley Ridge Diameter: 4.3125 Refrigerant Type: R134a Terminal Type: Lead Wire UPC: 096361105072 Part Description: 2018 GMC Sierra 2500 HD Remanufactured A C Compressor With Clutch More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L VEHICLE SPECIFIC Product Specifications Notes: K&N Cabin Filter Filter Material: Non-woven Synthetic Filter Quantity: 1 Filter Type: Electrostatic Height: 1.188" (30 mm) Length: 9.625" (244 mm) Material Used: Polyurethane UPC: 024844352767 Width: 9.313" (237 mm) Part Description: 2018 GMC Sierra 2500 HD Cabin Air Filter More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L VEHICLE SPECIFIC Product Specifications Box Height (in): 24 2/5 Box Length (in): 40 5/9 Box Weight (lbs): 12 2/7 Box Width (in): 2 3/4 Construction: parallel flow Core Length: 33 1/2 Core Thickness: 5/8 Core Width: 17 2/3 Hazardous Material: No Inlet Tube: Block Fitting Outlet Tube: Block Fitting UPC: 710353107249 Part Description: 2018 GMC Sierra 2500 HD A/C Condenser More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L VEHICLE SPECIFIC Product Specifications Notes: 6.0 Liter, 1/2" Seal Item Dimensions: 1.3 x 1.4 x 0.1 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 24436646, 52474373, 15232223 Part Description: 2018 GMC Sierra 2500 HD AC Tube Seal More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 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 8.1 L GAS $10.01 MSRP: $18.86
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Mode; Packaging Type: Box Material: Plastic OE Part Number: 22838102 Package Contents: 1 Air Door Actuator Switch Activation Type: Rotary Terminal Gender: Male Terminal Quantity: 5 Terminal Type: Pin UPC: 885484259638 Part Description: 2018 GMC Sierra 2500 HD Hvac Heater Blend Door Actuator More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: w/7SAS17F Compressor; New w/Clutch; w/Compressor Clutch Clutch Included: Yes Clutch Maximum Diameter: 4.375 Coil Clock Position: Lead Wire Coil Voltage: 12 Compatible Refrigerant Oil Type: See under hood decal for proper oil type. Compressor Type: 7SAS17F ECV Harness Connector: SE31F, 26900 Female / / SE23M, 26883 Male Mounting Hardware: Not Included Mounting Type: Tangent Mount New or Reman: New O-Ring A Number/Desc: 24402 O-Ring A Quantity: 1 O-Ring B Number/Desc: 24404 O-Ring B Quantity: 1 O-Ring C Number/Desc: Not Required O-Ring C Quantity: NR Pulley Belt Type: Serpentine Pulley Groove Quantity: 6 Pulley Lip Diameter: 4.375 Pulley Outside Diameter: 4.375 Pulley Ridge Diameter: 4.375 Refrigerant Type: R-134a or R1234yf Terminal Type: Pin UPC: 096361001381 Part Description: 2018 GMC Sierra 2500 HD A C Compressor With Clutch More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L VEHICLE SPECIFIC Product Specifications Notes: W/Auto Temp Cntrl, Labeled: 84258726;W/Auto Temp Cntrl, Labeled: 84258729 Other Names: Dash Control Unit, Heater Control Item Dimensions: 11.3 x 4.8 x 4.8 inches Item Weight: 2.30 Pounds Material: Carbon Fitment Type: Direct Replacement Replaces: 84164476, 84131598, 23157591, 23168157, 23176290, 84258726, 23486614 Part Description: 2018 GMC Sierra 2500 HD Dash Control Unit More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL $114.42 MSRP: $215.90
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: W/Auto Temp Cntrl, Labeled: 84258726;W/Auto Temp Cntrl, Labeled: 84258729 Other Names: Dash Control Unit, Heater Control Item Dimensions: 11.3 x 4.8 x 4.8 inches Item Weight: 2.30 Pounds Material: Carbon Fitment Type: Direct Replacement Replaces: 84164476, 84131598, 23157591, 23168157, 23176290, 84258726, 23486614 Part Description: 2018 GMC Sierra 2500 HD Dash Control Unit More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL $114.42 MSRP: $215.90
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Air Inlet; Packaging Type: Box Material: Plastic OE Part Number: 22808882 Package Contents: 1 Air Door Actuator Switch Activation Type: Rotary Terminal Gender: Male Terminal Quantity: 5 Terminal Type: Pin UPC: 885484259614 Part Description: 2018 GMC Sierra 2500 HD Hvac Heater Blend Door Actuator More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: w/7SAS17F Compressor; New w/Clutch; Replacement of Stretch Fit Belt is Reqd; Replacement of Stretch Fit Belt is Reqd Clutch Included: Yes Clutch Maximum Diameter: 4.3125 Coil Clock Position: Lead Wire Coil Voltage: 12 Compatible Refrigerant Oil Type: See under hood decal for proper oil type. Compressor Type: 7SAS17F ECV Harness Connector: SE31F, 26900 Female / / SE23M, 26883 Male Mounting Hardware: Not Included Mounting Type: 1 Ear & 2 Boss New or Reman: New O-Ring A Number/Desc: 24402 O-Ring A Quantity: 1 O-Ring B Number/Desc: 24404 O-Ring B Quantity: 1 O-Ring C Number/Desc: Not Required O-Ring C Quantity: NR Pulley Belt Type: Serpentine Pulley Groove Quantity: 4 Pulley Lip Diameter: 4.3125 Pulley Outside Diameter: 4.3125 Pulley Ridge Diameter: 4.3125 Refrigerant Type: R-134a or R1234yf Terminal Type: Pin UPC: 096361629776 Part Description: 2018 GMC Sierra 2500 HD A C Compressor With Clutch More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: w/Wheel; Aftermarket Design Cage Wheel Included: w/ Wheel Connector Gender: Female Connector qty: 1 Flanged End: Yes Material: Plastic Motor Diameter: 3.000 Mount Type: OE Mount New or Reman: New Number of Terminals: 3 O.E. Replacement: Yes Rotation: CW Style: Flanged Terminal Type: 3 Spade Terminal UPC: 096361750395 Vented: Vented Voltage: 12 Wheel Dia. IN: 6.250 Wheel Height IN: 2.500 Part Description: 2018 GMC Sierra 2500 HD Hvac Blower Motor With Wheel More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Air Conditioning Line Capable: No Case Included: No Color Coded: No Color/Finish: Orange Connector Type: Disconnects Fuel Line Capable: Yes Hydraulic Line Capable: No Material: Plastic OE Part Number: CH-49736 Package Contents: 1 Disconnect Tool Packaging Type: Box Quantity: 1 Piece UPC: 885484929135 Part Description: 2018 GMC Sierra 2500 HD Fuel Line Disconnect Tool More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: Temperature; Packaging Type: Box Material: Plastic OE Part Number: 22808876 Package Contents: 1 Air Door Actuator Switch Activation Type: Rotary Terminal Gender: Male Terminal Quantity: 5 Terminal Type: Blade UPC: 885484259652 Part Description: 2018 GMC Sierra 2500 HD Hvac Heater Blend Door Actuator More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: 6.0 Liter; 6.6 Liter Diesel, 2017-19, Low Side Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2018 GMC Sierra 2500 HD AC Tube Seal More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, 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: 6.0 Liter; 6.6 Liter Diesel, 2017-19, Low Side Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2018 GMC Sierra 2500 HD AC Tube Seal More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, 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: 6.0 Liter; 6.6 Liter Diesel, 2017-19, Low Side Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2018 GMC Sierra 2500 HD AC Tube Seal More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, 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: 6.0 Liter; 6.6 Liter Diesel, 2017-19, Low Side Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2018 GMC Sierra 2500 HD AC Tube Seal More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, 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: 6.0 Liter; 6.6 Liter Diesel, 2017-19, Low Side Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2018 GMC Sierra 2500 HD AC Tube Seal More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, 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: 6.0 Liter; 6.6 Liter Diesel, 2017-19, Low Side Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2018 GMC Sierra 2500 HD AC Tube Seal More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, 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: 6.0 Liter; 6.6 Liter Diesel, 2017-19, Low Side Item Dimensions: 1.4 x 0.7 x 0.3 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 24436648 Part Description: 2018 GMC Sierra 2500 HD AC Tube Seal More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT, 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 Bracket: w/o Bracket Discharge End Style: Flange Discharge End Type: Flange Gasket or Seal Included: Included Manifold: Yes Material: Aluminum / Rubber Muffler: w/ Muffler O-Ring A Number/Desc: [24402] / Slimline Washer O-Ring A Quantity: 2 O-Ring B Number/Desc: [24606] / Green O-Ring O-Ring B Quantity: 1 O-Ring C Number/Desc: [24404] / Slimline Washer O-Ring C Quantity: 2 O-Rings Included: Included O.E. Replacement: Yes Refrigerant Type: R134a Service Port: w/ Service Port Suction End Style: P-Nut Fitting Suction End Type: P-Nut Fitting Switch Included: Not Included Switch Service Port: w/ Switch Port UPC: 096361125605 Part Description: 2018 GMC Sierra 2500 HD A C Discharge And Suction Line Hose Assembly More Info Vehicle Fitment 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.6L