Chrysler 9.25" Rear Axle Assembly 3.55 Posi Limited Slip

The Zumbrota Drivetrain RAA435-1438D-P is a meticulously remanufactured axle assembly designed for Chrysler 9.25-inch rear ends, specifically for 1989-1990 1/2 Ton applications with a 3.55 gear ratio and Posi Limited Slip Differential with ABS. Zumbrota Drivetrain Axle Assemblies are rebuilt to the highest quality standards, ensuring 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. Crucially, all bearings and seals are replaced with new ones. The gears are inspected for optimal tooth contact patterns and correct rolling torque, with measurements taken in inch-pounds for precise setup and longevity. Correct gear backlash is set to ensure proper gear lubrication and quiet operation, while axle tubes are inspected to meet OEM standards of straightness. Zumbrota employs an exclusive hydro-blast rinse and sandblasting procedure on both internal and external parts, followed by a proprietary shot-enticed deep cleaning process. This comprehensive approach sets the standard for axle assembly remanufacturing. Key specifications include a 9.25-inch ring gear size, a 3.55 gear ratio, a Posi Limited Slip Differential type, a 12-bolt cover, ABS capability, and a semi-floating axle type. The assembly includes the cover but does not include fluid. The Hollander number for this unit is 435-1438D-P.