Buy 2005 Chevrolet Silverado 3500 Base Standard Cab Pickup 6.0L Vortec V8 CNG M/T 4WD HVAC Blend Door - OEM Chevrolet Part # 88986531

HVAC Air Door. HVAC Blend Door. HVAC Mix Door. HVAC Temperature Door. Plate.
HVAC Blend Door.

HVAC Blend Door

#2. 2003-07, #2.
HVAC Blend Door - Repair or Replace
In some cases, albeit relatively rare ones, a blend door in your HVAC system can break, causing air to come out of the wrong vents or at the wrong temperature, or not to come out at all. Properly diagnosing such a problem in your 2005 Chevrolet Silverado is best left to technicians with factory training and expertise.