1968-1972 C3 Firewall to Cowl Bonding Strip - LH - 3996339 - OEM Number(s) (3996339)
This Firewall Cowl Left Hand Bonding Strip secures the hood surround to the cowl or hinge pillar on the driver side of your 1968–1972 Corvette. It’s crafted in press molded fiberglass to duplicate the original construction and surface finish. Used during restoration and fiberglass repair, this strip ensures structural stability and offers a generous bonding surface between adjoining panels.
Features
• Bonds hood surround to LH cowl/hinge pillar fiberglass sections
• Press molded fiberglass replicates original part design
• Smooth surface finish—no resin mat texture or filler prep
• Matches OE dimensions and curvature for easy installation
• Improves body integrity and panel alignment
Dimensions and Weight
• Application: LH firewall cowl (driver side)
• Construction: Press Molded Fiberglass
• OEM Part Number: 3996341
• Made in USA
UNDER THE STRAW HAT – Restorer’s Insight
During a restoration, skipping the small stuff creates big problems later. This bonding strip reinforces a key joint between upper body panels—restoring both strength and factory-original contour in your C3 rebuild.
Because Fit and Finish Matter
Support your fiberglass work with the correct bonding structure. This LH press molded strip recreates the factory technique to ensure long-term success and correct alignment.
Learn more from the following Mid America Motorworks Knowledge Library article:
Corvette Body Components from Fiberglass to Resin Transfer Molding
Also known under these part numbers: (For reference only)