Fits select 1955-1998 Ford, Dodge, Chrysler, and American Motors vehicles equipped with Ford 8 inch, Ford 9 inch, Chrysler 7.25 inch, or AMC Model 20 differentials.

The Yukon Gear & Axle Pinion Gear Thrust Washer is a precision-engineered component essential for maintaining correct internal clearances within the differential. Designed to withstand the high-torque environment of the pinion assembly, this washer ensures the pinion gear remains properly spaced to prevent excessive wear and mechanical binding. Whether you are performing a ring and pinion swap or a complete differential overhaul, using a high-quality thrust washer is vital for achieving a quiet and durable gear mesh.

• Fits Ford 8" and 9" rear ends
• Compatible with Chrysler 7.25" and AMC Model 20 differentials
• Manufactured to exacting tolerances for reliable fitment
• Critical for maintaining proper pinion gear spacing
• Manufacturer Part Number: YSPTW-031

Fits select 1985-2017 Toyota 4Runner, Pickup, Tacoma, FJ Cruiser, and Lexus GX470 with V6 Rear Differentials.

The Yukon Gear & Axle Pinion Installation Kit (PK TV6) provides a targeted solution for gear swaps or repairs on lower-mileage vehicles where the existing carrier bearings and races remain in serviceable condition. This kit focuses on the pinion assembly, allowing you to maintain differential integrity without the cost of a full master overhaul kit.

This kit features premium Timken bearings and races, known for tight tolerances and long-term reliability in drivetrain applications. Yukon performs application-specific research for every kit to ensure all necessary hardware is included for a professional-grade installation in your Toyota V6 rear housing.

• Timken pinion bearings and races
• Premium pinion seal
• New crush sleeve
• Complete pinion shim kit for precise depth setting
• Gear marking compound with application brush
• Manufacturer Part Number: PK TV6

Fits select 1999-2008 Buick, Cadillac, Chevrolet, and GMC vehicles with the GM 8.6-inch differential.

The Yukon Gear PK GM8.6-A Pinion Installation Kit is a focused solution for gear installations on lower-mileage vehicles where the carrier bearings and races are still within specification and can be safely reused. This kit provides the necessary components to properly set pinion depth and preload without the added expense of a full master overhaul kit.

Featuring premium Timken bearings and races, this kit is built to withstand the torque and load demands of GM 1500-series trucks and SUVs. Yukon performs extensive application research to ensure each kit includes the precise seals and shims required for a clean install into the factory housing.

• Premium Timken pinion bearings and races
• High-quality pinion seal
• New crush sleeve for preload setting
• Complete pinion shim kit for precise depth adjustment
• Marking compound and brush for gear pattern verification
• Manufacturer Part Number: PK GM8.6-A

Fits select 1999-2015 Chevrolet and GMC trucks, vans, and SUVs with the GM 10.5-inch 14-bolt rear differential.

The Yukon Gear & Axle Pinion Installation Kit (PK GM14T-C) is an ideal solution for gear swaps on lower-mileage vehicles where the carrier bearings and races are still in good condition and can be reused. This kit focuses on the pinion assembly, providing the essential components needed to set pinion depth and preload correctly when installing a new gear set.

Yukon utilizes premium Timken bearings and races in this kit to ensure long-term durability and proper tolerances under heavy load. The included shim kit and marking compound allow technicians to achieve a precise gear mesh pattern, essential for quiet operation and differential longevity.

• Premium Timken pinion bearings and races
• High-quality pinion seal
• Application-specific crush sleeve
• Complete pinion shim kit
• Gear marking compound and applicator brush
• Manufacturer Part Number: PK GM14T-C

Fits 2018-2020 Jeep Wrangler JL and 2020 Jeep Gladiator JT with Dana 44 rear axles.

The Yukon Gear & Axle Rear Pinion Installation Kit (PK D44JL-REAR) is a precision-engineered solution for gear swaps or repairs on lower-mileage vehicles. This kit is specifically designed for applications where the existing carrier bearings and races are in good condition and can be reused, focusing on the critical pinion assembly components to ensure a professional-grade installation.

Yukon utilizes industry-leading Timken bearings and races to maintain strict tolerances and ensure long-term durability. Each kit is developed through application-specific research to guarantee all necessary seals and small parts are included for the modern M220 Dana 44 rear housing. By using state-of-the-art design software, Yukon ensures that each component meets or exceeds factory specifications for fitment and pinion depth accuracy.

• Includes premium Timken bearings and races for the pinion
• High-quality pinion seals and essential small hardware included
• Ideal for gear ratio changes on low-mileage axles where carrier bearings are salvaged
• Ensures precise gear pattern alignment and pinion preload
• Manufacturer Part Number: PK D44JL-REAR

Fits select 1985-2004 Ford, Lincoln, Mazda, and Mercury vehicles with the 8.8-inch rear differential.

The Ford Racing 8.8in Ring and Pinion Installation Kit (MPN: M-4210-C3) provides a comprehensive solution for gear swaps and differential rebuilds. This kit features genuine Ford components designed to maintain precise tolerances and ensure a quiet, reliable gear set operation. To handle increased loads, this kit includes the heavy-duty high-torque pinion bearing originally designed for the 2012 Shelby GT500, offering superior durability compared to standard replacements.

Whether you are upgrading to a more aggressive gear ratio or performing a high-mileage refresh, this kit includes the shims, seals, and bearings required to set proper pinion depth and backlash. Every component is engineered for direct compatibility with the 8.8-inch housing.

• 2012 Shelby GT500 high-torque pinion bearing
• Mustang GT carrier bearings
• Pinion and crush shims
• Crush sleeve and pinion nut
• Pinion seal
• Ring gear bolts
• Gear-marking compound and applicator
• Differential cover gasket

Fits all 2015-2025 Ford Mustang models equipped with the Super 8.8-inch Independent Rear Suspension (IRS) axle, including EcoBoost, GT, Shelby, Mach 1, and Dark Horse.

The Ford Racing M-4210-B3 Ring and Pinion Installation Kit provides the essential components needed to perform a professional gear swap or differential rebuild. This kit is comprised of genuine Ford OEM parts, ensuring proper fitment and maintaining factory tolerances for gear lash and tooth pattern alignment. Whether you are upgrading to a shorter gear ratio or refreshing a worn differential, these components provide the reliability required for high-performance street and track applications.

• Includes genuine OEM differential bearings and races
• Includes OEM pinion bearings and races
• Includes high-strength ring gear bolts
• Includes replacement crush sleeve, pinion nuts, and seal
• Includes gear-marking compound and applicator for precise installation
• Designed specifically for Super 8.8 IRS axle housings
• Made in the USA
• Manufacturer Part Number: M-4210-B3

Fits select 1986-2014 Ford, Lincoln, Mercury, and Mazda vehicles, including F-150, Mustang, Ranger, and Crown Victoria models equipped with an 8.8-inch rear differential.

The Ford Racing M-4210-B2 installation kit provides a comprehensive solution for technicians and enthusiasts performing a ring and pinion gear swap. This kit is a significant upgrade over the standard M-4210-A, as it adds high-torque differential bearings and heavy-duty carrier bearings to handle the increased stress found in modified or high-performance vehicles. All components are genuine Ford parts, ensuring precise tolerances for a quiet, reliable gear mesh and a hassle-free setup.

• Complete kit for changing 8.8-inch ring and pinion gears
• Includes high-torque rear pinion bearings and a new crush sleeve
• Heavy-duty carrier bearings and differential bearings for added durability
• Includes pinion and carrier shims for precise backlash and pinion depth adjustment
• Comes with gear marking compound and a differential cover gasket
• Hardware included: Ring gear bolts, pinion nut, and pinion seal
• Manufacturer Part Number: M-4210-B2

Fits select 1986-2014 Ford, Lincoln, Mercury, and Chrysler models equipped with an 8.8-inch rear axle.

This Ford Racing Ring and Pinion Installation Kit (M-4210-A) provides the essential genuine Ford components required for a successful gear ratio change. Specifically designed for applications where the existing bearings are still in serviceable condition and do not need replacement, this kit ensures you have the precise shims and hardware necessary to set pinion depth and backlash to factory tolerances.

Using genuine Ford parts eliminates the guesswork often found with generic hardware, providing a hassle-free installation and long-term drivetrain reliability. Whether you are re-gearing for the track or the street, this kit includes the high-strength fasteners and sealing components required to finish the job correctly.

• Precision Setup: Includes a comprehensive selection of pinion and carrier shims to achieve an ideal gear pattern.
• Critical Hardware: Comes with a new crush sleeve, pinion nut, and high-quality pinion seal to prevent leaks and maintain preload.
• Secure Mounting: Features a full set of ring gear bolts for secure attachment to the differential carrier.
• Direct Fit: Designed specifically for Ford 8.8-inch axles found in Mustangs, F-150s, and various other platforms.
• Origin: Made in the USA for maximum quality control.

• Manufacturer Part Number: M-4210-A
• Compatibility: All 8.8-inch Axles 1986-2014
• Included Components: Pinion and carrier shims, crush sleeve, pinion nut, pinion seal, ring gear bolts