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Oil Caps

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23% Off
Regular price $104.99
Sale price $104.99
Regular price $136.49
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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 defi...
23% Off
Regular price $116.99
Sale price $116.99
Regular price $152.09
Unit price
per 
From the factory, the 6.0L and 6.4L PowerStroke engine (found in the 2003 to 2010 Ford Super Duty) had a plastic oil filter cap, which becomes weak and brittle over time. A cracked or broken filter...
23% Off
Regular price $68.99
Sale price $68.99
Regular price $89.69
Unit price
per 
The Sinister Diesel Billet Fuel Plug/Cap for the 2008-2016 Powerstroke is a stylish and durable option to keep dirt and moisture from entering your fuel tank. The factory uses a small, flimsy plast...
23% Off
Regular price $253.99
Sale price $253.99
Regular price $330.19
Unit price
per 
Add some durability and style to your truck using these Sinister Diesel 03-07 Powerstroke billet cap! Unlike the OEM oil and filter caps, these won't crack from overtightening or just the passing o...