Pari - Headlight Vacuum Actuator All 1968-1982 Chevrolet C3 Corvette,1968-1969 Buick Riviera - Headlight/Wiper Door Vacuum Relay Actuator

【Replacement】Vacuum actuator relay used on all 1968-1982 headlights and 1968-1972 wiper systems. This relay mounts between the headlight assemblies or on the cowl/RH fender for the wiper vacuum system. Controls vacuum going to actuator canister to raise & lower headlight doors or wiper door assembly.. 【Note】1968 Corvettes need 1 for the Wiper Door and 1 for Headlights. 1968 - 1972 Corvettes need 1 for the Wiper Door and 2 for Headlights. 1973 - 1982 Corvettes need 2 for the Headlights.. 【Function】Replace those leaking old actuators and make your headlights work again.The Headlight Actuator Relay installs in between the headlight assemblies and controls the vacuum circuits to extend or retract the headlight actuator to open or close the headlights.. 【Original GM #】5638427. 【High Quality】Quality factory original reproduction. Perfect fit for C3 Corvette.