1963-1982 C2-C3 Rear Spring Cushion Retainer Cup 3910701 - OEM Number(s) (3910701)
Secures rear spring cushions and bushings for proper suspension alignment and longevity.
Our 1963–1982 Corvette Rear Spring Cushion Retainer Cup is a durable steel reproduction designed as a direct fit for your Corvette. This retaining cup fits inside the rear of the trailing arm as well as into the bottom of each end of the rear leaf spring, keeping your spring cushions and bushings properly secured. Ideal for restoring factory suspension performance on C2 and C3 Corvettes where original retainers are often rusted away or missing.
Fits the Following Corvette Models:
• C2 (1963–1967)
• C3 (1968–1982)
Material/Finish
• Heavy-gauge steel construction
• Made in USA
Dimensions
• Outside diameter: 2 5/8" (66.68 mm)
• Center opening: 7/8" (22.23 mm)
• Collar diameter: 1 5/16" (33.34 mm)
• Height: 1 3/4" (44.45 mm)
Features/Benefits
• Direct replacement retainer cup for rear spring cushions and bushings
• Fits inside rear trailing arm and bottom of each leaf spring end
• Replaces commonly rusted or missing originals
• Durable steel reproduction for long service life
• GM reference part number 3910701
• Sold individually, 4 required per Corvette
Because Details Matter
Your Corvette’s rear suspension depends on hidden hardware like this to stay tight and aligned. Fresh retainer cups restore the solid feel of your leaf spring setup and keep your cushions and bushings where they belong—because details matter.
Also known under these part numbers: (For reference only)
- 3910701
- 686420013006
- REAR SPRING CUP
- SU38