Factory High Quality CR Seals 46305 47697 Wheel Hub Oil Seal for Truck & Trailer Parts 370025A / 373-0143 / MER0243 / 10045888

The Truck Wheel Hub Oil Seal is a critical sealing component designed to prevent lubricant leakage from the wheel hub assembly and protect internal parts (such as bearings, races, and axle shafts) from contamination by water, dust, dirt, and road debris. Installed between the rotating axle or spindle and the stationary hub housing, this dynamic seal ensures reliable operation of the vehicle’s wheel end system under high load, extreme temperatures, and continuous motion.

Commonly used in heavy-duty trucks, trailers, buses, dump trucks, and commercial vehicles, the wheel hub oil seal plays a vital role in maintaining proper lubrication, reducing friction, preventing premature bearing wear, and enhancing overall safety and durability. Made from high-performance materials such as nitrile rubber (NBR), hydrogenated nitrile (HNBR), or fluorocarbon (FKM), these seals are engineered for long service life and resistance to heat, oil, and abrasion.