All GPD Electrical Components are tested to meet or exceed the OEM design for operation and fitment. Pressure Load, Circuit Testing and Durability are part of the approval process.

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: