Replace a non-responsive dashboard climate control with OEM part 10395426, engineered specifically for the 2003–2009 GMC Envoy and Chevrolet Trailblazer. This HVAC climate control module directly restores cabin temperature regulation, blower motor speed adjustment, air diversion, and air conditioning engagement through the original factory interface.

GMT8XX Platform Compatibility

Mapped to the central dashboard HVAC bracket behind the trim bezel, this unit bolts directly into the vehicle chassis without custom fabrication. The integrated rotary dials and push-button switches route voltage signals to the blend door actuator and blower resistor, replicating the exact electrical pathways required by GM’s heating, ventilation, and air conditioning system.

OEM Construction and Verification

Built to the same tolerances as factory assembly, this slightly used component replaces cracked housings, stripped gear teeth, or corroded circuit boards found in worn-out units. Each unit undergoes bench verification to confirm switch continuity, dial rotation smoothness, and indicator illumination before packaging. Exterior surfaces exhibit light handling wear consistent with salvage recovery, while all internal mechanisms retain full operational range.

Direct Replacement Specifications

Part number 10395426 identifies the correct trim level configuration for 2003–2009 GMT8XX SUVs
Fits the standard dashboard opening without cutting, drilling, or extending wiring
Connects via the factory HVAC harness plug located beneath the center console
Restores precise thermostat control without requiring PCM reprogramming or CAN bus synchronization

Match this climate control head unit against your vehicle identification number to confirm exact trim alignment. Receiving a tested OEM module eliminates aftermarket incompatibilities and returns your cabin climate system to factory operating parameters.

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2003 To 2009 Gmc Envoy Trailblazer Heater Ac Climate Control Module 10395426

2003 To 2009 Gmc Envoy Trailblazer Heater Ac Climate Control Module 10395426

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2003 To 2009 Gmc Envoy Trailblazer Heater Ac Climate Control Module 10395426

$299.99

2003 To 2009 Gmc Envoy Trailblazer Heater Ac Climate Control Module 10395426

$299.99