Most rear main seal leaks are caused by a combination of normal wear in the crankshaft & seal and the drying, hardening and shrinking of the main seal. Compatible with all petroleum based engines oils including high-mileage and synthetic.
2 BARS LEAKS MS1 MAIN FRONT REAR SEAL MOTOR OIL LEAK REPAIR SYNTHETIC BLEND 32oz
Bar's Leaks Rear Main Seal Repair, 16.9 oz Pack of 1, Grey
Bar's Leaks Rear Main Seal Repair, 16.9 oz
Bar's Leaks Rear Main Seal Repair 16.9 oz Engine Oil Stop Leak Treatment Sealer