9.25-inch 3.21 Posi LSD

The Zumbrota Drivetrain RAA435-1755A-P is a remanufactured axle assembly precision-engineered for 1994-1999 Dodge D1500 models. This unit is specifically designed for 2WD applications, featuring a 9.25-inch axle diameter, a 3.21 gear ratio, and a Posi Limited Slip Differential (LSD) with staggered shock mounting. During the remanufacturing process, Zumbrota Drivetrain meticulously inspects each axle assembly for straightness, cracks, and surface wear. All internal components, including the ring and pinions, internal gears, clutches, and carriers, undergo thorough inspection and testing. To ensure optimal performance and longevity, all bearings, seals, crush sleeves, pinion nuts, and shims are replaced with new parts. The gears are examined for proper tooth contact patterns and set to exact rolling torque specifications using inch-pound measurements, with correct gear backlash established for quiet operation and proper lubrication. Zumbrota employs an exclusive cleaning procedure that includes hydro-blasting and sandblasting for both internal and external parts, followed by a proprietary shot-enticed deep cleaning. This process restores housings to an OEM finish and ensures that all tubes are straightened to OEM specifications. This commitment to detail and quality sets the standard for axle assembly remanufacturing, providing a reliable and durable replacement for your vehicle's drivetrain.