Shop 1999 Chevrolet Lumina HVAC Blend Door. Valve flap. Valve flap, w/electronic cntrl. W/o aux temp Temp, Valve, Air, Cntrl - OEM Chevrolet Part # 3091171 (03091171)

HVAC Blend Door. W/o aux temp control. Damper. HVAC Air Door. HVAC Blend Door. HVAC Mix Door. Temperature valve. Vent.

HVAC Blend Door

Fits Lumina, Monte Carlo, Regal

Valve flap. Valve flap, w/electronic cntrl. W/o aux temp control. W/o dual temp cntrl.
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 is best left to technicians with factory training and expertise.