Keep your 5.9L Cummins running leak-free with this heavy-duty rear main crankshaft seal. When you're putting miles on that rig day after day, the last thing you need is oil leaking all over your frame and creating a mess at truck stops.
Built for the Long Haul
- Premium Viton Construction: Engineered to handle extreme temperatures and constant pressure cycles that come with over-the-road hauling
- Precision Fit: Exact OEM specifications ensure proper sealing without the guesswork - fits 5.9L Cummins engines perfectly
- Easy Installation: Standard replacement procedure that any shop or experienced owner-operator can handle during routine maintenance
Technical Specifications
This rear main seal is designed specifically for 5.9L Cummins diesel engines commonly found in Peterbilt, Kenworth, Freightliner, and other Class 8 trucks. The high-quality rubber compound resists oil breakdown and maintains flexibility even after thousands of miles of service.
Don't let a small leak turn into a big problem. This Cummins rear main seal will keep your engine bay clean and your oil where it belongs - protecting your investment for years of reliable service.