Sinister Diesel 03-10 Ford Powerstroke 6.0L/6.4L Oil Filter Cap - SD-OFC-FORD-03Find parts that fit my vehicle

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.

" says Brian

"so we knew it wasn't enough to just start another one. We wanted to create a high performance diesel parts company that actually changed the way business was done

What do you get when a group of diesel, truck and 4x4 off-road enthusiasts get together with a dream of changing the automotive aftermarket industry? You get Sinister Diesel, a company that is American Born and Bred™.

Founders Brian George, Michael Mitchell and their whole team share a love of everything diesel. One afternoon, while working on Brian's truck they thought of starting a new company

'There were already online parts suppliers