Detroit Diesel Genuine Rear Crankshaft Seal A0309977645 for DD13 DD15 DD16 – OEM Viton Main Sealing Ring, Heavy Truck Engine Part

Stop rear main seal leaks for good with the A0309977645 Crankshaft Sealing Ring. Engineered as a premium aftermarket upgrade for Detrot Diesl DD13, DD15 and DD16 engines, this Vitn seal features a PTFE-coated primary lip and secondary dust lip to keep oil in and dirt out—even after hundreds of thousands of miles. The robust garter spring ensures constant, uniform pressure on the crankshaft for leak-free performance. At only 0.42 lb and perfectly sized at 140 mm OD, it installs quickly with standard rear main seal tools.