OEM Climate Control with Rear Defrost Integration

Replace a faulty or missing HVAC panel with this remanufactured climate control module built exclusively for 2003 and 2004 GMC Sierra and Chevrolet Silverado pickup trucks. The unit restores accurate temperature regulation, blower motor speed selection, and air direction control using genuine OEM internal components, ensuring the factory climate management system operates at designated performance levels.

This configuration delivers native support for rear defrost functionality, enabling direct activation of the rear window heating circuit. Models equipped with rear heat benefit from immediate integration into the existing dashboard switch assembly. The control head retains the precise dimensions, connector mating points, and mounting bracket alignment of the original equipment, allowing straightforward installation behind the center stack without cutting wires or fabricating spacers.

Vehicles fitted: 2003 GMC Sierra; 2004 GMC Sierra; 2003 and 2004 Chevrolet Silverado.
Incorporates rear defrost switch capability for trucks designed with rear heating elements.
Constructed to OEM specifications, preserving stock button layout, backlighting behavior, and electrical load ratings.
Conditioned as rebuilt: contacts are cleaned, switches are tested, and worn potentiometers or connectors are serviced to eliminate erratic operation and dead channels common in aged units.

Aging climate controls frequently suffer from unresponsive sliders, intermittent fan speeds, or loss of airflow mode changes due to carbon tracking and moisture ingress. This refurbished control kit resolves those failure modes, returning reliable driver input and consistent cabin temperature distribution for daily driving conditions.

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2003 2004 Gmc Sierra Chevy Silverado Climate Control Hvac Rear Defrost Switch

2003 2004 Gmc Sierra Chevy Silverado Climate Control Hvac Rear Defrost Switch

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2003 2004 Gmc Sierra Chevy Silverado Climate Control Hvac Rear Defrost Switch

$499.99

2003 2004 Gmc Sierra Chevy Silverado Climate Control Hvac Rear Defrost Switch

$499.99