Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Sinister Diesel billet fuel plug/cap fits 2008–2020 Ford Powerstroke models and replaces the factory plastic plug with a CNC-machined T6-6061 aluminum cap anodized in Sinister Blue. It features a Viton O-ring seal for water and debris resistance, a laser-etched logo, and an installed magnet in the base for convenient storage while fueling. The cap ships with the Viton O-ring and is intended as a durable engine-bay upgrade.
Sinister Diesel 08-16 Ford Powerstroke 6.4/6.7L Fuel Cap
