Yukon Gear Master Overhaul Kit For 07 & Down Ford 10.5in Diff

Complete Rebuild Kit for the 1999-2007 Ford 10.5in Rear Differential

The YK F10.5-A from Yukon Gear contains every component needed to fully rebuild the Ford 10.5-inch rear differential used in 1999-2007 F-250 Super Duty, F-350 Super Duty, F-150, E-250, E-350, and Excursion applications. The kit includes Timken carrier bearings, Timken inner and outer pinion bearings with matched races, a complete shim assortment, ring gear bolts, pinion nut, crush sleeve, pinion seal, thread locker, marking compound, and a differential cover gasket. With YK F10.5-A, a technician or home builder has everything to properly set pinion depth, bearing preload, and ring gear backlash in one box without any supplemental parts runs.

Features and Benefits

• Application-specific design for the 1999-2007 Ford 10.5-inch rear differential
• Timken carrier bearings and races for heavy-duty truck and SUV load demands
• Timken inner and outer pinion bearings with precision-matched races
• Complete shim assortment for both pinion depth and carrier adjustments
• High-quality pinion seal to eliminate gear oil leaks at the yoke
• Crush sleeve included for correct pinion bearing preload setup
• Ring gear bolts and thread locking compound for secure fastening
• Pinion nut included for final assembly
• Gear marking compound and brush for contact-pattern verification
• Differential cover gasket included
• 1-year manufacturer warranty against defects

Vehicle Fitment

Specifications

What Is Included

• Timken carrier bearings and races (pair)
• Timken inner pinion bearing and race
• Timken outer pinion bearing and race
• High-quality pinion seal
• Complete shim kit (carrier and pinion depth)
• Ring gear bolts
• Pinion nut
• Crush sleeve
• Thread locking compound
• Gear marking compound with brush
• Differential cover gasket
• 20-page installation instruction sheet

Frequently Asked Questions

Does the YK F10.5-A include a crush sleeve?
Yes. A crush sleeve is included with the YK F10.5-A for setting correct pinion bearing preload on the Ford 10.5-inch differential.

What differential does YK F10.5-A fit?
The YK F10.5-A is designed for the Ford 10.5-inch rear differential used from 1999 through 2007 on F-250 Super Duty, F-350 Super Duty, F-150, Excursion, and E-series van applications.

Does YK F10.5-A fit 2008-and-up Ford Super Duty trucks?
No. The YK F10.5-A covers through the 2007 model year. Ford made changes to the 10.5-inch axle design after 2007; a separate kit is required for later models.

Does YK F10.5-A include ring gear bolts?
Yes. Ring gear bolts and thread locking compound are included with YK F10.5-A.

Does YK F10.5-A include a cover gasket?
Yes. A differential cover gasket is included in the YK F10.5-A kit.

Are Timken bearings in YK F10.5-A?
Yes. All carrier and pinion bearings in YK F10.5-A are Timken-brand for long service life under heavy towing and payload use.

What warranty covers YK F10.5-A?
Yukon Gear covers the YK F10.5-A with a 1-year limited warranty against manufacturer defects. Under the Magnuson-Moss Warranty Act, this written warranty gives you specific legal rights, and you may have additional rights that vary by state.

Does YK F10.5-A include installation instructions?
Yes. A 20-page differential installation instruction sheet is included with YK F10.5-A.

Installation Overview

1. Drain gear oil and remove the differential cover; clean all mating surfaces thoroughly.
2. Remove the carrier; inspect the housing bore and bearing pockets for wear.
3. Press out the old pinion and remove all old bearings and races.
4. Drive new Timken inner and outer pinion bearing races into the housing.
5. Set pinion depth using shims from the YK F10.5-A kit and a dial indicator.
6. Install the crush sleeve and new inner pinion bearing; insert pinion into housing.
7. Install the outer pinion bearing and new pinion seal from the kit.
8. Install yoke and tighten the new pinion nut to achieve specified bearing preload.
9. Press new Timken carrier bearings onto the carrier; lower carrier into housing.
10. Adjust carrier shims to set factory-specified ring gear backlash.
11. Apply marking compound; verify contact pattern and adjust as needed.
12. Torque ring gear bolts with included thread locker to specification.
13. Install differential cover with the included gasket; refill with appropriate gear oil.

Proposition 65 Warning: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.