National Seals 370001A Wheel Seal for Steer Axles ALL_PRO and modern vehicles for cab

and modern vehicles for cab electronics

Direct replacement for the Grote 53000 — same 4" round footprint

Class 6–8 tractor drive-axle wheel ends

Motorcraft: FL265

Cat C10 / C11 / C12 (1999–2007)

National Seals 370001A Wheel Seal for Steer Axles ALL_PRO and modern vehicles for cabNational 370001A is an oil bath wheel seal for steer axle hubs on Class 68 trucks and select medium duty applications. The unitized nitrile seal carries a spring loaded primary lip and SURE LOCK ribs, sealing the hub against contamination across a 40 F to 225 F operating range. Dimensions are 3. 500" shaft, 4. 873" outer diameter, 0. 925" width matching the legacy 370000 series envelope. Installs with National tool RD307 and is now distributed under