8.8IRS Axle Assembly ’03-’05 Ford Expedition 3.73 Ratio; Posi

8.8IRS Axle Assembly For more than 30 years, Zumbrota Drivetrain has proudly served a nationwide customer base. We offer a comprehensive range of new, remanufactured, OE replacement, and performance manual transmissions, transfer cases, and differentials, along with high-quality components for rebuilding and repair.

Why Choose Zumbrota Drivetrain for Your Rear Differentials?

Any company can claim to offer rear differentials, but at Zumbrota Drivetrain, we truly understand what it takes to deliver a top-quality remanufactured rear differential assembly. For nearly 30 years, rear differentials have been a key part of our business. We don’t cut corners, and we don’t rely on gimmicks. Our product offerings are second to none, ranging from passenger vehicles to OHV, race cars, and even pulling trucks.

Rear Differential Features: 8.8IRS Axle Assembly

Thorough Inspection & Quality Control

• Tube Inspection: All tubes are inspected to ensure they meet OEM specifications for straightness.
• Complete Replacement of Parts: Bearings, seals, crush sleeves, pinion nuts, and shims are all replaced with new components.
• Hydro Blasting & Cleaning: Our advanced hydroblasting and rinsing process ensures that all housings are cleaned and restored to the OEM finish. Once you see it, you’ll understand the difference.
• Gear Pattern Checks: During the remanufacturing process, we check the gear patterns to ensure optimal tooth contact for extended gear life.

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

Product Details: 8.8IRS Axle Assembly

• Ratio: 3.73
• Type: Rear Differential
• Ring Gear Size: 8.8 Inch
• Model: Ford 8.8
• IRS: Yes
• Posi Traction: Included

Fits Vehicles:

• 2003-2005 Ford Expedition—Ford 8.8″