• Restores heating performance on systems with damaged temperature valves/doors
• GM-recommended replacement part for your GM vehicle's original factory component
• Offering the quality, reliability, and durability of GM OE
• Manufactured to GM OE specification for fit, form, and function

Which Blend Door Do You Need?

RECIRCULATION

Controls the intake of air into the system, either bringing outside air in or using inside air in recirculation.

BLEND

Controls the temperature of the air flowing from the vents by mixing hot and cold air from the heater core and the evaporator core.

MODE

Controls which vents have air flow, i.e. Floor, Panel or Front, Defrost, or any combination of those.

Diagram: