When it comes to classic Corvette function, the smallest parts often have the biggest jobs. The 1968–1972 Corvette Windshield Wiper Motor Override Switch Knob is a perfect example. This clever little component sits under the driver-side edge of the dash and allows manual override of the wiper door—critical when the vacuum system or limit switch fails.
Designed as a precise reproduction of GM part number 1991064, this knob lets you take control when your C3’s hidden wiper system acts up. With a factory-style fit and finish, it's the perfect solution for restoring both appearance and functionality to your mid-year C3 dashboard.
Key Features:
Application: Fits 1968–1972 Corvette C3
Function: Manually controls wiper door in case of vacuum or switch failure
OEM Reference: Replaces General Motors part number 1991064
Material: Molded black plastic with correct texture and size for OEM look
Don’t let a stuck wiper door ruin your drive—or your restoration points. Whether you’re building a show car or just want your Corvette to operate as intended, this switch knob is a small but essential part of a well-functioning C3.
Bring back control—and the correct look. Order your Wiper Motor Override Switch Knob today and make sure your Corvette is ready for anything, rain or shine.