Installation Time
(approx) 5 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
Bold Blue Anodized Armor. Finished in a striking blue anodized coating, this Sinister Diesel Diesel Exhaust Fluid Cap; Blue resists fading, corrosion, and everyday wear. Beyond protection, it adds Sinister Diesel’s signature style to your engine bay, giving your 6.7L Powerstroke F-250 Super Duty a performance-inspired look that stands out.
Billet Aluminum Strength That Outlasts Plastic. Precision-crafted from high-strength billet aluminum, this Sinister Diesel Diesel Exhaust Fluid Cap; Blue delivers durability far beyond factory plastic alternatives. Its rugged construction ensures long-term reliability, even under the harshest conditions.
Shield for Your DEF Filler Neck. Acting as a protective barrier, the Sinister Diesel Diesel Exhaust Fluid Cap; Blue keeps dirt, dust, and debris out of the DEF filler neck. This safeguard helps prevent contamination, ensuring your diesel exhaust fluid system runs clean and efficient.
Leak-Free Seal Against Spills and Contaminants. Engineered with a tight O-ring seal, the Sinister Diesel Diesel Exhaust Fluid Cap; Blue locks in place to prevent leaks. It keeps harmful particles out of the reservoir, maintaining the integrity of your DEF system while reducing mess and waste.
Reusable Design Built for a Lifetime of Service. Unlike disposable factory caps, this Sinister Diesel Diesel Exhaust Fluid Cap; Blue is reusable and engineered to last the lifetime of your 6.7L Powerstroke F-250 Super Duty. It’s a one-time investment that delivers ongoing protection and style.
Durable O-Ring for Reliable Performance. The Sinister Diesel Diesel Exhaust Fluid Cap's O-ring ensures a secure, leak-free fit every time. This small but critical detail ensures consistent sealing and long-term dependability for your DEF system.
Signature Sinister Diesel Branding. Featuring the iconic Sinister Diesel logo, the Sinister Diesel Diesel Exhaust Fluid Cap adds a custom performance touch to your 6.7L Powerstroke F-250 Super Duty. It’s more than just functional-it’s a statement piece that reflects your commitment to quality and style.
Installation. Putting this Sinister Diesel Diesel Exhaust Fluid Cap; Blue on your 6.7L Powerstroke F-250 Super Duty takes 5 minutes to install.
Warranty. There is a limited lifetime warranty on this product.
Application. The Sinister Diesel Diesel Exhaust Fluid Cap; Blue fits 2011-2020 6.7L Powerstroke F-250 Super Duty models.
Sinister Diesel SD-DFC-6.7P-11-01-21
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 5 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
What's in the Box