Buy 2000 Chevrolet S10 4.3L Vortec V6 M/T 4WD Base Standard Cab Pickup Fleetside HVAC Blend Door Air, Come, FRONT, HEATER - OEM Chevrolet Part # 10302731

Valve.
HVAC Blend Door. Temperature. Control. HVAC Air Door. HVAC Blend Door. HVAC Mix Door.

HVAC Blend Door

Fits Montana , Silhouette, Venture

2001-2005, FRONT, temp. All Models.
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 2000 Chevrolet S10 is best left to technicians with factory training and expertise.