APDTY 103933 Valve Cover Gasket w/Grommets & Breather Seals Upper Gasket Fits 6.0L Power Stroke Diesel Ford Super Duty E350 E450 Econoline Van Excursion (Replaces 3C3Z6584BA, 3C3Z-6584-BA) Meets Or Exceeds OEM Specs Factory OEM Fit Form And Function