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

8.6″ Axle Assembly For over three decades, Zumbrota Drivetrain has been committed to providing a nationwide customer base with high-quality drivetrain components. We offer a comprehensive selection of new, remanufactured, OE replacement, and performance manual transmissions, transfer cases, and differentials. Our extensive product line also includes top-grade components for rebuilding and repair, designed to fit a variety of foreign and domestic passenger cars, SUVs, and light-duty trucks.

Quality Rear Differentials You Can Trust

Expertise You Can Rely On

While many companies claim to offer rear differentials, we take pride in our deep understanding of what it takes to provide top-notch, remanufactured rear differential assemblies. For nearly 30 years, rear differentials have been a cornerstone of our business. We don’t compromise on quality, and we avoid marketing gimmicks. Our product offerings stand out in the industry.

Rear Differential Features: 8.6″ Axle Assembly

• Housings: We test all housings for surface wear and potential cracks.
• Internal Parts: Every internal part is meticulously inspected, including the rings and pins, internal gears, clutches, and carriers.
• Bearings & Seals: We replace 100% of bearings, seals, crush sleeves, pinion nuts, and shims
• Gear Patterns: We carefully check gear patterns during the remanufacturing process to ensure optimum tooth contact for a longer-lasting gear set.
• Rolling Torque: We establish correct rolling torque using precise inch-pound measurements for improved setup and durability.

Product Details: 8.6″ Axle Assembly

• Ratio: 4.11
• Type: Rear Differential
• Ring Gear: 8.6 Inch
• Model: GM 8.6
• Ratio Option: GT5
• Rear Brake Option: Drum (JF7 Only)
• Posi Traction: Without

Vehicle Fitment

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