Rear Differential Assembly 3.42 Ratio

The Zumbrota Drivetrain NAA88894200 is a new, remanufactured IRS rear differential assembly engineered to meet the exact specifications of various GM vehicles. This unit is built to the highest quality standards, ensuring precision and reliability. Each axle housing undergoes a thorough inspection for any casting flaws, cracks, or defects. All internal components, including ring and pinions, internal gears, clutches, and carriers, are meticulously inspected and tested. Zumbrota ensures optimal tooth contact patterns and correct rolling torque using inch-pound measurements for precise setup and extended longevity. Proper gear backlash is set to guarantee adequate gear lubrication, quiet operation, and durability. This assembly includes a new differential cover and features a 3.42 gear ratio suitable for regular grade applications. It has a fluid capacity of 2.1 quarts, but the necessary fluid is not supplied with the unit. Mounting hardware is also not included. This rear differential assembly is compatible with the following vehicles: 2001-2005 Pontiac Aztek, 2002-2004 Chevrolet Venture, 2002-2004 Oldsmobile Silhouette, 2002-2006 Buick Rendezvous, and 2002-2006 Pontiac Montana.