Will SKU: SD-DFC-6.7P-11-01-21 fit a 2021 f250 6.7?
Sinister Diesel Diesel Exhaust Fluid (DEF) Cap for 2011-2016 Ford Powerstroke 6.7L
Status:
Open Jan 26, 2026 - 10:33 AM
1answer
Answer
Jan 26, 2026 - 10:33 AM
This cap will not work with the 2021 SuperDuty. The 2021 model year and newer SuperDuty trucks use a redesigned, vented style DEF cap that is not compatible with this Sinister Diesel DEF Cap, which is specifically made for 2011-2016 Ford Powerstroke 6.7L models.
View More Product Details
View all Sinister Diesel Diesel Exhaust Fluid (DEF) Cap for 2011-2016 Ford Powerstroke 6.7L Questions & Answers
