1956-1960 C1 Seat Track Rear Underbody Support Left - 3736181 - OEM Number(s) (3736181)
Structural Underbody Support for Seat Track Installation
This 1956–1960 Corvette Left Rear Seat Adjuster Support reinforces the mounting point where the rear seat track bolts pass through the underbody. Designed to match original specifications, this stamped steel support sits beneath the seat track and anchors to the floor pan—ensuring your seat adjusts correctly and remains securely mounted.
If you're restoring a C1 Corvette or repairing fatigued floor structure, this often-overlooked support is critical for safety and correct seating geometry.
Features
• Fits 1956–1960 Corvette
• Left Rear underbody seat adjuster support
• Mounts beneath rear of seat track
• Stamped steel construction
• Restoration-correct form and dimensions
• Supports seat bolt pass-through to underbody
• Sold individually
• Made in USA
Because Details Matter
C1 seat track mounting is only as strong as its underbody foundation. This support restores OE strength and rigidity—essential for restorers aiming for authenticity, comfort, and long-term durability.
Also known under these part numbers: (For reference only)