These Corvette seat bottom rubber bumpers are direct-fit replacements for 1968–1969 C3 interiors. The Corvette seat bumpers mount at the lower seat back area, providing proper spacing, alignment, and cushioning between the seat components.
Worn or missing bumpers can cause misalignment, unwanted movement, or discomfort. This OE-style reproduction restores the factory seating position and helps maintain the original feel and function of your Corvette’s interior. Sold as a matched pair with mounting screws included for easy installation.
C3 Coupes and Convertibles: 1968, 1969.
Correct seat bottom / seat back lower rubber bumpers for 1968–1969 C3 Corvettes
Restores proper seat alignment and stable seating position
Helps improve comfort and prevents seat component contact or wear
OE-style rubber construction for factory-correct fit and function
Includes mounting screws for straightforward installation
GM reference part number: 3954505
Sold as a pair for each seat
Durable molded rubber bumpers with integrated threaded studs for long-lasting resilience and authentic factory appearance.
Rubber portion diameter: 1" (2.5 cm)
Rubber height: 1/2" (1.3 cm)
Overall height: 1 1/4" (3.2 cm)
Thread size: 1/4"-20
Seat comfort and alignment depend on the small components you never see. These correct rubber bumpers keep your C3 seats positioned the way Chevrolet intended, preserving comfort, stability, and originality. It’s a simple replacement that makes every drive feel right—because details matter.
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Valid only in the continental U.S. 48 States
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