Dana 80 Rear Axle Assembly 4.10 Ratio 11.25" Ring Gear

The Zumbrota Drivetrain RAA435-2125B-P is a remanufactured axle assembly for the Dana 80, specifically designed for 2001-2004 Ford F350 models equipped with dual rear wheels and cab chassis configurations. This unit features a 4.10 gear ratio and an 11.25-inch ring gear, incorporating a Posi Traction limited-slip differential for enhanced performance. Each axle assembly is meticulously remanufactured to ensure it meets or exceeds OEM specifications. The process includes inspecting and straightening all tubes to OEM standards, testing housings for wear and cracks, and performing a 100% inspection of all internal components such as ring and pinion gears, internal gears, clutches, and carriers. Crucially, all bearings, seals, crush sleeves, pinion nuts, and shims are replaced with new parts. The housings are cleaned using a state-of-the-art hydro blasting and rinsing process to restore them to their original OEM finish. Finally, the correct rolling torque is established using inch-pound measurements to guarantee precision setup and extended longevity. This assembly is configured for Cab Chassis models with Dual Rear Wheels (DRW) and includes Posi Traction. Please note that this part does not include hubs, brakes, backing plates, or axle shafts. Tag numbers associated with this unit include 1C34-LA, 2C34-AAA, and 2C34-AAB.