Product Details
8.0″ Rear Differential Assembly Zumbrota Drivetrain has been serving a nationwide customer base for over 30 years. We provide a complete line of new, remanufactured, OE replacement and performance manual transmissions, transfer cases, and differentials. In addition, we offer high-quality components for rebuilding and repair. We supply parts for a wide range of makes and models of foreign and domestic passenger cars, SUVs, and light-duty trucks.
Expertise in Rear Differentials
The Zumbrota Difference
While many companies may claim to offer rear differentials, Zumbrota Drivetrain stands apart by truly understanding the essential elements required to deliver a high-quality remanufactured rear differential assembly. For nearly 30 years, rear differentials have been a core part of our business. We don’t cut corners, and we avoid marketing gimmicks.
Rear Differential Features: 8.0″ Rear Differential Assembly
We take pride in delivering top-tier rear differentials. Our remanufactured rear differential features:
- Tube Inspection: All tubes are inspected and straightened to meet OEM specifications.
- Housing Testing: All housings are tested for surface wear and cracks.
- Internal Parts Inspection: 100% inspection of all internal components, including ring and pinions, internal gears, clutches, and carriers.
- Complete Replacement: Bearings, seals, crush sleeves, pinion nuts, and shims are all fully replaced.
- Advanced Cleaning Process: Once you see it, you’ll understand the quality we deliver.
Product Details: 8.0″ Rear Differential Assembly
Engine & Differential Specifications
- Engine: 4.2L
- Differential Ratio: 3.42
- Rear Differential Type: 8-Inch Ring Gear
- Model: GM 8.0
- Ratio Option: GU6
- Passenger Capacity: 5-Passenger
- Wheelbase: 113 Inches
- Posi-Traction: Not Included
Compatible Vehicles
This rear differential fits the following vehicles:
- 2006-2009 Chevrolet TrailBlazer GM 8.0
- 2006-2009 GMC Envoy GM 8.0


