Originally Posted by RatRodMan
Has anyone had a problem with the oil filter cap blowing off the housing? This has happened twice in the last 2 months. Running Napa Gold (Wix) filters with new cap and o-ring included with filter.
2005 F-450 140,000 miles
from junk aftermarket filters, especially the one you describe. Now, you're going to have to fork out the $$$ to buy the OEM cap as well, the next time you change back to the OEM Motorcraft filter, unless you were smart enough to save the old cap.