1978-1982 Corvette C3 Door Panel Mounting Kit 12 Piece

1978-1982 C3 Door Panel Mounting Kit 12 Piece - OEM Number(s) (11501137,11503503,140270)

Secure Fit for Door Panels – Complete Hardware Kit for Both Doors
This 12-piece kit delivers every fastener needed to mount your C3 door panels with factory-correct fit and finish.

Fits the Following Corvette Models:

• 1978-1982 Corvette (C3) 

Material/Finish

• Chrome and nickel-plated steel fasteners

• OE-style hardware for long-lasting durability

Dimensions

• Screws: 20 mm length, 12 mm head, 8 mm washer (M4.2–1.41 thread)

• Screws: 1-1/2" (38 mm) length, 5/16" head, #8 thread

• Retainers: 17/32" outer, 7/32" inner, 7/64" thick

Features/Benefits

• Complete 12-piece kit mounts both left and right door panels

• Direct OE-style reproduction for accurate fit and function

• Hardware plated for corrosion resistance and longevity

• Saves time by including all required screws and retainers in one set

• GM reference part numbers 11501137, 11503503, 140270

• 1 kit required per Corvette.

Because Details Matter
The difference between a panel that rattles and one that feels solid comes down to the right fasteners. This kit restores the secure fit and confidence of the original build. Every screw and retainer has its place—because details matter.

Also known under these part numbers: (For reference only)

• 11501137
• 11503503
• 140270
• 607112
• 686420318897