Bar's Leaks Heavy Duty Rear Main Seal Stop Leak Sealant

The engine oil repair formula that made us the #1 brand for all oil leaks stemming from the rear main seal, timing cover, cam seal and anywhere else you’ll find troublesome oil leaks! Millions of bottles sold, and so easy anyone can do it – no technical expertise required. Safe, effective and affordable, and backed by Bar’s Leaks’ reputation as a premium chemical repair company since 1947. We specialize in keeping your car on the road and away from unnecessary expensive repair bills. If you are dealing with an engine oil leak, you’re in the right place.

DIRECTIONS

Add entire bottle of Rear Main Seal Repair to engine crankcase (where you normally add oil) at or between oil changes. Do not overfill. Most leaks will stop within 100 miles or 2 days of driving. To prevent future leaks and for outstanding preventive maintenance, install Rear Main Seal Repair every 5,000 miles or with every oil change.