Dealing with an oil leak from the back of your engine? This DNJ RM4186 rear main seal is designed to fit a ton of Ford, Lincoln, and Mercury models from 1968 through 1997 with the 7.5L V8 OHV engine. Think trucks like the F-100, F-150, E-100, E-250, plus big cars like the Continental, Cougar, Country Squire, and more. It’s a brand new, high-quality seal that comes with DNJ's solid 12-month or 12,000-mile warranty – whichever comes first. DNJ has been making reliable engine parts for over 30 years, so you know it's built to last. Easy to install if you're doing the job yourself, or perfect to bring to your mechanic. Make sure it matches your vehicle's model and engine before ordering. Stop that drip and keep your engine running clean with this OEM-style replacement seal. Part also crosses over to numbers like BS40032 and JV618. Keep your classic Ford on the road!