Sold Out Quick view Sinister Diesel Sinister Diesel 03-10 Ford Powerstroke 6.0L/6.4L Oil Filter Cap - SD-OFC-FORD-03 Compare $165.09 $126.99 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 cap can lead to oil leaks or extra costs associated with... Currently Out of stock. On order! Currently Out of stock. On order!