Sinister Diesel · New
Sinister Diesel 03-10 Ford Powerstroke 6.0L/6.4L Oil Filter Cap
MPN SD-OFC-FORD-03 · Store SKU sinSD-OFC-FORD-03
Supplier stock checked 11/7/2026, 4:07:22 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
A cracked fuel filter cap can lead to air in the fuel system. That can result in hard starting or potential fuel injector issues. A cracked fuel filter cap can also cause a fuel leak, which is definitely a bad idea on a hot engine. Never worry about that again with a Sinister Diesel Lower Fuel Filter Cap. Constructed from a single solid aluminum billet, the Sinister Diesel Lower Fuel Filter Cap is far stronger than the OEM plastic cap. It's anodized in Sinister Blue for corrosion resistance and features a 1/8th" NPT port for testing fuel pressure. Features:Impervious to cracking like the OEM lower fuel filter cap, CNC Machined from solid aluminum billet, Features a 1/8th" NPT port for fuel pressure testingIncludes:(1) Sinister Diesel Lower Fuel Filter Cap, (1) O-Ring. Oil Filter Cap for 2003-2010 Ford Powerstroke 6.0L/6.4L. Oil Filter Cap for 2003-2010 Ford Powerstroke 6.0L/6.4L
Manufacturer fitment & guides
- 2003-2010 Ford F-250; F-350; 6.4L;6.0L
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y
