8.6″ Axle Assy ’05-’07 GM Silverado/Sierra 1500 4.10 Open, Drum Brakes

GM Silverado 8.6 Axle Zumbrota Drivetrain has been proudly serving a nationwide customer base for over 30 years. We specialize in a full range of new, remanufactured, OE replacement, and performance manual transmissions, transfer cases, and differentials. Additionally, we offer high-quality components for rebuilding and repair. Our parts cover a wide variety of makes and models, including foreign and domestic passenger cars, SUVs, and light trucks.

High-Quality Rear Differences: What Sets Us Apart

While many companies claim to offer rear differentials, we stand out by truly understanding what it takes to provide a top-notch 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 don’t rely on gimmicks. Our product offerings are unrivaled, from passenger vehicles to off-highway vehicles (OHV), race cars, and even pulling trucks. We handle them all.

Rear Differential Features: GM Silverado 8.6 Axle

• Straightened Tubes: All tubes are carefully inspected and straightened to meet OEM specifications.
• Tested Housings: Each housing is rigorously tested for surface wear and cracks to ensure durability.
• 100% Internal Inspection: Every internal part, including ring and pinions, internal gears, clutches, and carriers, undergoes thorough inspection.
• Complete Replacement of Key Components: Bearings, seals, crush sleeves, pinion nuts, and shims are all replaced with new parts for maximum reliability.
• Correct Rolling Torque: Using inch-pound measurements, we establish the correct rolling torque for precision setup and long-lasting performance.
• Backlash Clearance: Correct backlash clearance is set to ensure proper gear lubrication and noise reduction.

Rear Differential Specifications

• Ratio: 4.11
• Type: Rear Differential
• Ring Gear Size: 8.6 Inches
• Model: GM 8.6
• Ratio Option: GT5
• Axle: 6 Lug
• Brake Option: Drum Rear Brake (JF3)
• Posi Traction: Without

Vehicle Compatibility

This rear differential fits the following vehicles:

• 2005-2007 Chevrolet Silverado 1500 GM 8.6 (2007 Classic Model Only)
• 2005-2007 GMC Sierra 1500 GM 8.6 (2007 Classic Model Only)