Perrin Blue Oil Cap 2002+ WRX / 2004-2021 STI

Replace the ugly yellow plastic OEM oil fill cap with the sexy billet aluminum PERRIN Oil Fill Cap!

Complete Your Engine Bay

The Perrin Aluminum Oil Cap is the finishing touch to your engine bay leaving a clean and tasteful look. Perrin's stylish oil cap is prominently displayed sitting just to the right of the engine and is indexed so the Perrin logo is always in the right spot.

Finish & Construction

Machined from 6061 Billet aluminum, the Perrin Oil Fill Cap has a textured finish and features a black, blue, red, neon yellow, or hyper pink finish for corrosion protection. For added convenience, the cap features a knurled grip section for easy removal and installation.