1968-1975 C3 Convertible Top Rear Latch Pin - 3/8 Inch - 3940635 - OEM Number(s) (3940635)
Secure your C3’s convertible top with confidence using this exact reproduction Rear Bow Latch Pin. Designed for the rear bow frame of late 1968 through 1975 Corvette convertibles, this latch pin holds the convertible top securely to the deck lid during driving. Machined from durable metal and finished for OE-style function, it replaces GM part number 3940635 and features the correct 3/8"-16 thread size with tapered retention shoulder—just like the factory version.
Features
• Replaces factory 3/8" latch pin on rear convertible bow
• Correct 3/8"-16 thread for late 1968–1975 applications
• CNC-formed tapered pin locks frame to deck lid securely
• Stabilizes convertible top during driving and storage
• Sold individually – 2 required per Corvette
Dimensions and Weight
• Total length: 2-11/16"
• Threaded length: 3/8"-16
• Shoulder width: 1/2"
Tech Notes
• Fits either LH or RH rear bow locations
• Early 1968 production used smaller 1/4" pin—verify fit before ordering
• Refer to diagram for assembly reference (see secondary image)
• Works with original or reproduction convertible frame
Because Details Matter
From securing your top frame to preventing mid-drive surprises, these 3/8" latch pins restore structural integrity where it counts. A small but essential part of your C3’s convertible system—installed correctly, they finish the job the right way.
Also known under these part numbers: (For reference only)
- 2090
- 25-120753-1
- 3940635
- 543010
- 686420072775
- E3238
- TB23