2003 GMC Sierra 2500 A/C & Heating Parts
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UAC®A/C System Valve Core and Cap KitGMC Sierra 2500 / Sierra 2500 HD 2003, A/C System Valve Core and Cap Kit by UAC®. UAC’s line of hose components includes the adapters, fittings and seals that are necessary for the proper function of an A/C System. They are produced...Helps maintain a desired temperature inside your carMade of durable materials$4.98 - ACDelco®GM Original Equipment™ Ambient Air Temperature SensorGMC Sierra 2500 / Sierra 2500 HD 2003, GM Original Equipment™ Ambient Air Temperature Sensor by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.26 - $24.27
- gpd®A/C Clutch Cycle SwitchGMC Sierra 2500 2003, A/C Clutch Cycle Switch by gpd®. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$12.62 - $13.77
- UAC®HVAC Pressure TransducerGMC Sierra 2500 / Sierra 2500 HD 2003, HVAC Pressure Transducer by UAC®. High Pressure. UAC’s line of electrical components includes the Switches and Relays that are necessary for the proper function of an A/C System. They are...Helps maintain a desired temperature inside your carMade of durable materials$22.33
- Standard®HVAC System Ambient Air Temperature SensorGMC Sierra 2500 / Sierra 2500 HD 2003, HVAC System Ambient Air Temperature Sensor by Standard®. Type: 2 Blade Male Terminal. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality...Premium parts you can rely onDesigned to keep your air intake system in top shape$5.97 - $24.45
- Dorman®HVAC Blower Motor Resistor ConnectorGMC Sierra 2500 / Sierra 2500 HD 2003, HVAC Blower Motor Resistor Connector by Dorman®. Dorman’s Blower Motor Resistor promptly returns your vehicle’s heating and cooling system to its original peak performance. The long-lasting...Simply plugs into the blower motor resistor for ease of installationUniquely available in a kit that includes the blower motor resistor, an essential component of most repairs$15.28 - $21.54
- Dorman®HVAC Heater Hose ConnectorGMC Sierra 2500 2003, HVAC Heater Hose Connector by Dorman®. Dorman’s HVAC Heater Hose Connector resists brittleness, cracking, and leaking. Made of high-quality materials, it weathers extreme temperatures from the engines coolant.Direct replacement for ease of installationReplace only the connector, not the entire Heater Hose assembly$8.53 - $14.56
- ACDelco®GM Original Equipment™ A/C Refrigerant Pressure SensorGMC Sierra 2500 / Sierra 2500 HD 2003, GM Original Equipment™ A/C Refrigerant Pressure Sensor by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$44.23
- gpd®HVAC Pressure TransducerGMC Sierra 2500 HD 6.6L / 8.1L 2003, HVAC Pressure Transducer by gpd®. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$23.84
- gpd®PAG-46 R134a Synthetic Refrigerant Oil, 8 ozGMC Sierra 2500 / Sierra 2500 HD with 65 Series Compressor 2003, PAG-46 R134a Synthetic Refrigerant Oil, 8 oz by gpd®. Synthetic. Volume: 8 oz. gpd chemicals are designed to meet OE specifications and standards. Using the correct...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$9.73
- gpd®A/C System Valve Core and Cap KitGMC Sierra 2500 / Sierra 2500 HD 2003, A/C System Valve Core and Cap Kit by gpd®. Rapid Seal Kits include a direct replacement of all O-rings in a vehicle's A/C system. This saves time and money because every O-ring needed is in one...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$4.79
- ACDelco®Genuine GM Parts™ A/C Compressor Control ValveGMC Sierra 2500 / Sierra 2500 HD 2003, Genuine GM Parts™ A/C Compressor Control Valve by ACDelco®. Without Fitting. Material: Teflon. Clutch Diameter: 4.21". With Spring, without O-Ring. Quantity varies by application. Designed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.11
- ACDelco®GM Original Equipment™ A/C System Valve CoreGMC Sierra 2500 / Sierra 2500 HD 2003, GM Original Equipment™ A/C System Valve Core by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.11
- ACDelco®Genuine GM Parts™ A/C Clutch Cycling SwitchGMC Sierra 2500 / Sierra 2500 HD 2003, Genuine GM Parts™ A/C Clutch Cycling Switch by ACDelco®. With Oval Connector Shape. Location: At Accumulator. Finish: Black. With Seal. Designed utilizing the latest technology, this product by...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.40
- Four Seasons®A/C Compressor Cut-Out Switch Harness ConnectorGMC Sierra 2500 2003, A/C Compressor Cut-Out Switch Harness Connector by Four Seasons®. Type: 2 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience,...OE style connectorsMolded plastic construction$11.36 - $26.22
- ACDelco®GM Original Equipment™ A/C Drive Belt Tensioner PulleyGMC Sierra 2500 2003, GM Original Equipment™ A/C Drive Belt Tensioner Pulley by ACDelco®. Material: Steel, Aluminum. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$48.37 - $57.46
- Four Seasons®A/C System Valve Core and Cap KitGMC Sierra 2500 / Sierra 2500 HD 2003, A/C System Valve Core and Cap Kit by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and...All the seals needed to complete the jobCompatible with both R12 and R134a refrigerants$8.75 - $22.68
- gpd®A/C System O-Ring and Gasket KitGMC Sierra 2500 / Sierra 2500 HD with A/C 2003, A/C System O-Ring and Gasket Kit by gpd®. Rapid Seal Kits include a direct replacement of all O-rings in a vehicle's A/C system. This saves time and money because every O-ring needed is in...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$8.40
- Four Seasons®A/C System O-Ring and Gasket KitGMC Sierra 2500 / Sierra 2500 HD 2003, A/C System O-Ring and Gasket Kit by Four Seasons®. With Green Rubber O-Rings and Black Aluminum Gasket. Products are engineered and tested to provide years of trouble free operation. Backed by over...All the seals needed to complete the jobCompatible with both R134a and R12 refrigerants$14.97
- Four Seasons®A/C Clutch Cycle SwitchGMC Sierra 2500 / Sierra 2500 HD 2003, A/C Clutch Cycle Switch by Four Seasons®. With Oval Connector Shape. Finish: Black. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$11.01
- UAC®A/C System O-Ring and Gasket KitGMC Sierra 2500 / Sierra 2500 HD Base / SLE / SLT / WT 2003, A/C System O-Ring and Gasket Kit by UAC®. UAC’s line of hose components includes the adapters, fittings and seals that are necessary for the proper function of an A/C...Helps maintain a desired temperature inside your carMade of durable materials$25.41
- UAC®PAG-46 R134a Premium Synthetic Refrigerant Oil, 8 ozGMC Sierra 2500 / Sierra 2500 HD 2003, PAG-46 R134a Premium Synthetic Refrigerant Oil, 8 oz by UAC®. Premium Synthetic. Volume: 8 oz. Designed utilizing the latest technology, this product features premium quality and will perform...Made with precision and quality in mindBuilt to last$7.56
- Four Seasons®HVAC System SwitchGMC Sierra 2500 / Sierra 2500 HD 2003, HVAC System Switch by Four Seasons®. With Round Connector Shape. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix...Premium parts you can rely onDesigned to keep your A/C system in top shape$14.57 - $28.66
- Four Seasons®A/C Compressor Cut-Out SwitchGMC Sierra 2500 / Sierra 2500 HD 2003, A/C Compressor Cut-Out Switch by Four Seasons®. High Pressure Compressor Mounted. Type: 2 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$13.84 - $22.26
- ACDelco®GM Original Equipment™ HVAC Air Inlet Door ActuatorGMC Sierra 2500 / Sierra 2500 HD with A/C Front Manual Auxiliary Control 2003, GM Original Equipment™ HVAC Air Inlet Door Actuator by ACDelco®. Terminal Type: 6 Pin. ACDelco GM Original Equipment Actuators properly control the opening...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$49.82
- Replace®A/C System Valve Core and Cap KitGMC Sierra 2500 / Sierra 2500 HD 2003, A/C System Valve Core and Cap Kit by Replace®. Designed utilizing the latest technology, this product by Replace features premium quality and will perform better than advertised. Perfect for your...CAPA certification provides detailed testing and inspection procedures to ensure the quality of the parts covered by that SpecificationSame quality as OE for less money$8.68
- Santech®A/C Line O-RingGMC Sierra 2500 / Sierra 2500 HD 2003, A/C Line O-Ring by Santech®. Make your beloved vehicle perform reliably, efficiently, and smoothly again with this top-grade A/C component from Santech. Designed to fit, form, and function just...Premium parts you can rely onDesigned to keep your A/C system in top shape$6.45 - $10.81
- Four Seasons®HVAC Harness ConnectorGMC Sierra 2500 / Sierra 2500 HD 2003, HVAC Harness Connector by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it...Molded plastic constructionOE style connectors$16.88 - $17.43
- Genuine®HVAC Heater Hose ConnectorGMC Sierra 2500 2003, HVAC Heater Hose Connector by Genuine®. If your A/C and heating parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto...Designed to restore your vehicle’s HVAC systemGenuine OE replacement parts from the OE manufacturer$7.94 - $33.69
- UAC®A/C System Valve CoreGMC Sierra 2500 / Sierra 2500 HD Base / SLE / SLT / WT 2003, A/C System Valve Core by UAC®. Compressors are the heart of the A/C system, with a heavy responsibility to pump A/C refrigerant throughout the automobile’s A/C system....Helps maintain a desired temperature inside your carMade of durable materials$0.29
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2003 GMC Sierra 2500 A/C & Heating Reviews
1 review
Cycling Clutch Sensor
Supercool® - Cycling Pressure SwitchPosted by Jose Manuel (Katy, TX) / June 16, 20201992 Hyundai Sonata