
$118.47
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
The OEM plastic fuel filter cap on your L5P Duramax is susceptible to rounding off when replacing the water separator and cracking during extreme cold weather conditions. Upgrade your OEM plastic fuel filter housing or FASS Drop-In Series with our Billet Fuel Filter Cap! The FASS Fuel Systems Billet Fuel Filter Cap was engineered and manufactured in the USA with the quality you’d expect from FASS. Our Billet L5P Duramax Fuel Filter Cap utilizes the same 36mm socket for removal and is equipped with a billet aluminum drain valve that allows for tool-free draining! The FASS Fuel Systems Billet Fuel Filter Cap was engineered and machined in the USA out of 6061 billet aluminum. FEATURES Replaces the cheap OEM plastic fuel filter cap with a high-quality 6061 billet aluminum cap Billet drain valve allows for easy draining Works with the factory plastic fuel filter housing and the FASS L5P Drop-In Series Systems 1/8 female NPT port on the billet drain valve allows for a barb fitting to be installed if desired Vehicle Applications: 2017-2024 GM Duramax 6.6L L5P SPECIFICATIONS Fuel Type Diesel Prop 65 WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2025
$118.47