1956-1962 C1 Seat Belt Outer Underbody Reinforcement LH-RH 3782348, 481423 - OEM Number(s) (3782348,481423)
Restore the safety and structural integrity of your C1 with this outer seat belt underbody reinforcement bracket, used to secure the outer seat belt anchors to the fiberglass floor. This metal support rivets to the underside of the body and allows proper connection between the seat belt and the frame-mounted reinforcement hardware.
Whether you’re refreshing a weathered underbody or completing a full frame-off restoration, these reinforcements are an essential detail to complete your 1956–1962 seat belt installation to factory standards.
Features
• Fits either LH or RH outer seat belt mounting locations
• Stamped steel with factory-correct black finish
• Weld nuts included for proper seat belt installation
• OE-style reproduction of GM 3782348 / 481423
• Rivets to fiberglass floor for structural reinforcement
Dimensions and Weight
• Fits: 1956–1962 Corvette
• Side: Left or Right
• Sold individually
Because Details Matter
Factory seat belt reinforcements are critical for both safety and NCRS-level restoration quality. Replace rusted, missing, or unsafe components with the correct stamped reinforcements to preserve your Corvette’s integrity—topside and underneath.
Also known under these part numbers: (For reference only)