Crankshaft Rear Seal Upgrade Kit

Upgrade your engine’s reliability with our crankshaft rear seal upgrade kits for Perkins, Volvo Penta, and Yanmar diesel engines. Designed for marine, agricultural, and industrial applications, these kits provide an improved sealing solution to prevent oil leaks around the rear crankshaft. Whether servicing a boat engine or heavy machinery, our high-quality upgrade kits ensure a precise fit, enhanced durability, and long-term protection—helping to reduce maintenance costs and extend your engine’s lifespan.