Riffraff Diesel Billet Oil Fill Cap 94-10
Features:
- 100% Made in the USA
- Motorcraft Cap Included for OEM Seal and Fit
- 6061 Billet Aluminum Construction
- Anodized for a Custom, Long Lasting Appearance
*Note: Anodized Color on Aluminum can be discolored / damaged by chemical engine cleaners. Use only soap and water to clean.

32 Reviews Hide Reviews Show Reviews
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Oil Filler Cap
10/10 I love the way the red pops and adds color to the engine bay. Can’t wait to get the fuel filter cap and degas bottle cap. Already got the AIH delete plug, always recommend that part as well.
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Get one
Very nice looking and looks like you can replace the inside with a new cap.
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Billet Oil Cap
Looks great and isn’t susceptible to squirrel or termite damage.
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Billet Oil Fill Cap
Great finish and machining. Very high quality. Fast shipping as well. Thank you for a quality product.
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Saweet!
Heavy duty feel and looks great!
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Oil Cap
Awesome Machining.. Love it
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Billet Oil Cap
Looks good, works excellent.
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Awesome colors
I got a Red and a blue for each of my trucks. I can't believe how deep and rich the color is on these. Great piece of american made billet aluminum and I am proud to have it on my power stroke.
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Nice Addition
ordered to replace my worn oem cap and to match my RiffRaff billet degas cap.
I think I would have preferred just the RR logo rather than words printed, but not a big deal. They are still great either way.
These utilize the oem cap adding a nice billet shell. Great item if you want to add some color to the engine compartment






