1988-1996 C4 Headlight Motor Gear Delrin Bushing Kit - 3 Piece
Restore Function Without Full Replacement
Don’t waste time or money replacing the entire headlamp motor on your 1988–1996 Corvette when the actual failure is often just the internal headlight gear bushings. This Delrin Bushing Set replaces the original nylon inserts inside the motor gear—components GM intentionally designed to fail first in order to protect the drive gear and housing. These replacement bushings eliminate the soft gel fill used in the factory and restore smooth, reliable headlight operation.
Features
• Direct repair solution for 1988–1996 factory headlight motors
• Durable Delrin plastic resists wear, cracking, and heat degradation
• Restores functionality caused by slipping or free-spinning motors
• Repairs 1 headlamp motor per 3-piece set
• Reduces friction and maintains consistent gear alignment
Dimensions and Weight
• Bushing Dimensions: 12mm Diameter x 10mm Height
• Material: Delrin Plastic
• Kit Weight: Less than 1 oz
Installation Highlights
• Follow factory manual for motor removal or consult a qualified technician
• Use a clean towel and organize parts in removal order
• Light sanding of bushings may be needed to fit close-tolerance motors
• Identify motor type:
– Type 1: Shaft protrudes through center cover
– Type 2: Solid cover, no visible shaft
• Record shim count and reuse original gasket
• Clean out old gel, grease all parts, and seat new bushings firmly into gear
• Reassemble in reverse order and reinstall into vehicle
Because Details Matter
This repair kit addresses one of the most common failure points in 1988–1996 C4 Corvette headlamp systems—without requiring a full motor replacement. Whether you're troubleshooting a flickering pop-up or restoring original function, replacing worn bushings with Delrin ensures strength, stability, and smoother gear performance. A quick fix that delivers long-lasting results.
UNDER THE STRAW HAT – Restorer’s Insight
GM’s original gel-filled bushing design was clever but short-lived. Over time, that gel turns to goo, leaving your headlight motors spinning uselessly. Our Delrin replacements restore the engineering intent while eliminating the original design flaw.
Also known under these part numbers: (For reference only)
- 444359
- 601703
- 686420321071
- 967581