GM GT231 Fuel Tank Filler Cap OEM Replacement to Keep Gas Fumes In and Debris Out, Tight Seal for GM Vehicles, Easy Install, Durable Gas Cap for Reliable Fuel System Performance

Original Equipment GM Fuel Tank Filler Cap - Single
✔️ Tight seal prevents fumes, blocks dirt, fits GM OE spec

The GM Original Equipment Regular Fuel Cap seals the filler neck to keep fumes in and dirt out, and may include a check-valve for venting. This GM-recommended replacement is designed to meet GM OE specifications for fit, form, and function, delivering reliable fuel-system performance.

✅ GM OE replacement part ensures proper fit and long life
✅ Rubber gasket provides a liquid-tight seal to keep fuel in and water out
✅ May include a vent/check valve to regulate air flow where needed
✅ Easy install and durable construction for reliable fuel system performance

💡 What is a fuel tank filler cap and why replace it with GM OE parts?
Quick overview for general fuel-cap questions:
- OEM fit ensures a tight seal and long life
- Proper venting helps avoid vapor leaks and pressure issues
- GM OE parts match factory tolerances for reliable performance
- Easy replacement with common hand tools