Restore Headlamp Override Function with New Replacement Knob Missing or worn knobs can leave your C4 or C5 headlight motors without manual override capability. Our 1988–1999 Headlight Motor Adjustment Knob restores factory-style appearance and function, allowing you to manually raise or lower the headlamp doors when necessary. Designed to fit the splined shaft of original headlight motors, this black plastic knob installs easily—preserving operation without electrical input.
Fits the Following Corvette Models: 1988–1996 All Models 1997–1999 All Models
Features • Restores manual override function to headlight motors • Reproduction of original black plastic knob • Fits 1/4" (6mm) splined motor shaft • 1-7/32" (31mm) OD large side for easy grip • 1" (25mm) taper end diameter • 5/8" (16mm) knob width • Allows manual raising/lowering of headlights • Sold individually—two required per Corvette • Simple push-fit installation on splined shaft
Dimensions and Weight • Large side diameter: 1-7/32" (31mm) • Taper end diameter: 1" (25mm) • Width: 5/8" (16mm) • Fits 1/4" (6mm) splined shaft • Weight: 0.5 oz (14g) per knob
Tech Notes • Provides manual headlight door operation during motor failure • Matches factory override knob appearance and fit • Essential for restoring full manual override function • Two knobs required for complete car set
Because Details Matter Restoring your Corvette’s headlight system includes manual override readiness. Our reproduction headlight motor knobs ensure you’re never stranded with stuck headlamps—preserving proper form and function.