Regain reliable vacuum control of your headlight and wiper door systems with this direct-fit Headlight and Wiper Door Vacuum Override Switch for 1968–1982 C3 models. This high-quality reproduction restores manual override functionality, helping ensure your vacuum-actuated components operate properly when you need them most.
Because Details Matter • Fits all 1968–1982 C3 models with vacuum-operated headlights and wiper doors • Provides manual override for headlight and wiper door vacuum system • Direct replacement for GM part number 5638317 • Installs easily using original mounting provisions • Durable construction ensures lasting underhood performance
Dimensions and Weight • Length: 2.5 inches • Weight: 2 oz
Tech Notes • GM Part Number: 5638317 • Material: Molded plastic body with internal actuator • Country of Origin: Imported
If your headlight or wiper door system isn’t responding properly, this switch may be the missing piece. Install a fresh replacement and keep your C3 operating smoothly.