1984-1996 C4 Coolant Recovery Tank Cap with Gasket 10239665 - OEM Number(s) (10239665)
Seals your C4’s coolant recovery tank to maintain proper pressure and fluid levels.
Our 1984–1996 Corvette Coolant Recovery Tank Cap is a genuine GM replacement that installs as a direct fit for your C4. Molded in black plastic with raised white print, it comes complete with gasket to ensure a reliable seal and correct appearance.
Fits the Following Corvette Models:
• C4 (1984–1996)
Material/Finish
• Black plastic with raised white print
• Includes gasket
Dimensions
• Cap diameter: 2" (50.8 mm)
• Tube length: 4 3/4" (120.65 mm)
• Overall length: 5 3/4" (146.05 mm)
Features/Benefits
• Genuine GM replacement cap for C4 coolant recovery tank
• Maintains proper pressure and prevents leaks
• Black plastic with raised white print for factory appearance
• Includes gasket for complete seal
• GM reference part number 10239665
• Sold individually, 1 required per Corvette
Because Details Matter
The smallest sealing component can make the difference between a cooling system that holds pressure and one that leaks. This genuine GM cap with gasket preserves both performance and authenticity—because details matter.
Also known under these part numbers: (For reference only)
- 10239665
- 145254
- 28992
- 30296
- 686420081647