SKU: RAT119K
MPN: 119K
The Install Kit 8.2in GM is a complete differential assembly and rebuild solution engineered for GM 10-bolt differentials commonly found in light-duty trucks and sport utility vehicles. This kit exists to simplify one of the most critical maintenance tasks in drivetrain work—replacing worn crush sleeves, seals, and internal hardware without requiring complete differential replacement. Whether you're a professional mechanic tackling a high-mileage unit or an enthusiast rebuilding a performance application, this kit consolidates all necessary components into a single, organized package.
Inside the kit you'll find OEM-specification crush sleeves that maintain precise bearing preload—critical for controlling side play and ensuring smooth, quiet operation under load. The gasket set seals the differential housing against contamination and fluid loss, while the included shims allow fine-tuning of gear mesh and backlash during reassembly. Hardware and seals round out the package, covering pinion seals, axle seals, and fasteners that meet GM specifications. The 8.2-inch designation refers to the ring gear diameter, a common size in mid-size and full-size GM trucks from multiple model years. At just 1.95 pounds, the compact packaging (6.7 x 3.6 x 6.7 inches) makes transport and organization efficient without sacrificing component quality.
This kit is ideal for mechanics performing routine differential maintenance, gear ratio changes, or addressing noise and vibration issues rooted in worn internal components. GM truck and SUV owners—particularly those running higher mileage or towing loads—benefit most from having these components on hand before disassembly begins. The kit simplifies the rebuild process by eliminating multiple part orders and ensures compatibility with the GM 10-bolt platform without guesswork. Installation requires standard differential service tools and mechanical knowledge; professional installation is recommended for those unfamiliar with drivetrain work. Confirm your specific vehicle year and differential model before ordering to ensure proper fit and function.
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