FASS Fuel Systems Billet L5P 2017-2024 Duramax Fuel Filter Cap

Protect your L5P Duramax with the FASS Fuel Systems Billet Fuel Filter Cap! Our US-engineered, machined 6061 billet aluminum cap is a replacement for your OEM plastic fuel filter cap and offers improved protection - particularly in extreme cold weather when plastic caps are prone to cracking or rounding off. Installation is seamless - the FASS Fuel Systems Billet Fuel Filter Cap utilizes the same 36mm socket as your OEM plastic cap for removal and is equipped with a billet aluminum drain valve that requires no tools for draining. Trust the FASS quality today and upgrade your OEM plastic fuel filter housing or FASS Drop-In Series with our Billet Fuel Filter Cap!