Dana 80 Rear Axle Assembly 11.25-Inch 5.38 Ratio

The Zumbrota Drivetrain RAA435-1991 is a remanufactured Dana 80 axle assembly, rebuilt to exacting standards for precision and reliability. Each assembly undergoes thorough inspection for straightness, cracks, and surface wear. All internal components, including ring and pinions, gears, clutches, and carriers, are fully inspected and tested. All bearings and seals are replaced, and gears are checked for optimal tooth contact patterns and proper rolling torque for longevity. The gear backlash is set correctly to ensure proper lubrication and quiet operation, and axle tubes are inspected for OEM straightness. This specific axle assembly features a 5.38 gear ratio, a Dana 80 housing with an 11.25-inch ring gear, and is designed for Dual Rear Wheels (DRW) applications. It is equipped with Posi-Traction for enhanced grip. The assembly includes tag numbers F81D-AG and AH. It does not include hubs, brakes, backing plates, or axle shafts. This axle assembly is specifically designed to fit 1999-2001 Ford F-550 DRW models.