Air Conditioning & Heat for 2003 GMC Sierra 2500
Select Air Conditioning & Heat part
gpd Heater Core 8231379
GLOBAL PARTS DISTRIBUTORS
8231379
Heater cores transfer heat from the engine's cooling system to the inside of the vehicle. Thermostat housing and water outlets are...
$40.08
Fits Your Vehicle
Ambient Air Temperature Sensor
ACDelco
25775833
ACDelco GM Original Equipment Ambient Air Temperature Sensors are used with automatic climate control systems. The sensors provide the...
$7.86
Fits Your Vehicle
Heating and Air Conditioning Blower Motor with Wheel
ACDelco
15-81646
GM Genuine Parts HVAC Blower Motor and Wheels are designed, engineered, and tested to rigorous standards, and are backed by General...
$161.98
Fits Your Vehicle
gpd Chemical 8011256
GLOBAL PARTS DISTRIBUTORS
8011256
gpd chemicals are designed to meet OE specifications and standards. Using the correct chemical for your application will ensure proper...
$18.04
Fits Your Vehicle
Relay
ACDelco
D1741C
ACDelco Gold (Professional) Temperature Control Relay are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold...
$17.44
Fits Your Vehicle
Heating and Air Conditioning Blower Motor Resistor
GM
22807122
All models. With console. Exc.Automatic Temperature Controls. For Primary HVAC. Restores blower speed control caused by a failed...
Fits Your Vehicle
Temperature Mode Valve Actuator Assembly
GM
89018365
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Heating and Air Conditioning Control Valve
GM
89022567
Temperature #2. Restores heating performance on systems with damaged temperature valves/doors
Heating and Air Conditioning Blower Motor Resistor
GM
22807123
All models. 2003-07. Front 2003-06. Silverado, sierra. Exc.Automatic Temperature Controls. For Primary HVAC. Without console. With ac....
$59.15
MSRP $136.10
Save $76.95
56.5% Off Fits Your Vehicle
Ambient Air Outside Temperature Sensor
GM
09152245
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Heating and Air Conditioning Panel Mode Door Actuator
GM
89018374
Sierra, silverado. 1500. With standard cab. Sierra, silverado. 2500, 3500. With atc. Front, 2008-09, mode. Corrects mode door...
$64.37
MSRP $139.96
Save $75.59
54% Off 
Ambient Air Temperature Sensor Assembly with 2 Terminals and 2 Alignment Tabs
GM
25775833
Repairs the outside temperature display function caused by failed ambient temp sensor
Fits Your Vehicle
gpd Accumulator/ Filter 1411647
GLOBAL PARTS DISTRIBUTORS
1411647
The accumulator/filter drier is designed to remove moisture from the A/C system. Every time the A/C system is opened, the accumulator or...
$26.21
Fits Your Vehicle
gpd Resistor 1712984
GLOBAL PARTS DISTRIBUTORS
1712984
Always make sure electrical components are free of debris and moisture before installing. gpd Resistor 1712984 99-07 AVALANCHE 1500,...
$38.99
Fits Your Vehicle
Floor Air Outlet Duct
GM
15762756
Helps direct air flow to enhance interior climate control and passenger comfort
This GM Genuine Part is designed, engineered, and tested...
Multi-Purpose Wiring Connector
ACDelco
PT267
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$20.40
Fits Your Vehicle
Heater & AC Control
GM
15112018
Chevrolet, gmc. All. With ac, with rear defogger. Cadillac. Rear overhead mount.
$312.22
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