9.75IRS Axle Assembly ’07-’14 Ford Expedition & Navigator 3.73 Ratio; Posi

9.75IRS Rear Axle Assembly For over 30 years, Zumbrota Drivetrain has proudly served customers across the nation. We offer a comprehensive range of new, remanufactured, OE replacement, and performance manual transmissions, transfer cases, and differentials. Additionally, we provide high-quality components for rebuilding and repair. Our parts cater to a variety of foreign and domestic passenger cars, SUVs, and light-duty trucks.

The Zumbrota Drivetrain Difference in Rear Differentials

While many companies claim to offer rear differentials, Zumbrota Drivetrain truly understands the effort required to provide a high-quality remanufactured rear differential assembly. Rear differentials have been a crucial part of our business for nearly 30 years. We never cut corners and avoid marketing gimmicks. Our product offerings are unparalleled, covering everything from passenger vehicles to OHVs, race cars, and even pulling trucks.

Rear Differential Features: 9.75IRS Rear Axle Assembly

Thorough Inspections & Quality Control

• Tube Inspections: All tubes are carefully inspected to ensure they are straightened to OEM specifications.
• Housing Testing: Every housing undergoes testing for surface wear and cracks.
• Complete Part Inspections: We perform 100% inspection on all internal parts, including ring and pinions, internal gears, clutches, and carriers.
• Full Parts Replacement: Bearings, seals, crush sleeves, pinion nuts, and shims are replaced entirely with new components.
• Hydro Blasting & Cleaning: We utilize a state-of-the-art hydro blasting and rinsing process to clean all housings, restoring them to their OEM finish. Once you see it, you’ll understand the difference..
• Backlash Clearance: Setting the right amount of space between gears helps with proper lubrication and reduces noise.

Note: A refundable core charge will be added to the purchase of this product.

Product Detail: 9.75IRS Rear Axle Assembly

• Ratio: 3.73
• Type: Rear Differential
• Ring Gear Size: 9.75 Inch
• Model: Ford 9.75
• IRS: Yes
• Posi Traction: Included

Fits Vehicles:

• 2007-2014 Ford Expedition—Ford 9.75″
• 2007-2014 Lincoln Navigator—Ford 9.75″