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RKX Gas cap seal for GM

RKX Gas cap seal for GM


RKX Gas cap seal for GM 20915842 / GT330 / GT261 OEM Gas Cap

Made from high quality nitrile rubber

This is a common failure point that can cause check engine lights for evap leaks and other faults.

Common fault codes are P0440  / 16824, P0456 / 16840, P0442 / 16826, P0455 / 16839.

Don't settle for aftermarket caps that cause more problems than they solve!

Reseal your factory cap!

 Please study pictures carefully!


GM / ACDelco 20915842 / GT330 OEM gas cap 

Advantages of replacing just the gas cap seal:

- More affordable

- Retain high quality OE cap with theater

- Avoid gas cap warning lights from using aftermarket caps

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