AAM 11.5" AXLE ASSY ''07-''10 GM SI

The Zumbrota Drivetrain RAA435-2263A is a remanufactured complete rear axle assembly for GM 11.5" differentials. It is built to high-quality standards, with all internal components, bearings, and seals inspected or replaced. The assembly undergoes a thorough cleaning process and precise gear setup for optimal tooth contact and quiet operation. It includes the AAM 11.5" ring gear with a 3.73 ratio and an open differential (non-posi traction). This assembly does not include hubs, brakes, backing plates, or axle shafts. It is designed for vehicles with dual rear wheels (DRW) and specific brake and ratio options (JH7 and GT4 respectively), excluding the ZW9 cab chassis option.