Fits select 1979-2014 Ford, Lincoln, and Mercury vehicles with 8.8-inch 31-spline differentials.

Restore the traction and lock-up performance of your limited-slip differential with this Yukon Gear & Axle Trac Loc spring. Over time, factory springs can lose their tension or fatigue, resulting in reduced preload on the clutch pack and inconsistent power delivery. This high-quality replacement spring provides the specific tension required to maintain proper engagement in Ford 8.8-inch differential housings.

• Restores proper preload to Trac Loc limited-slip clutch packs
• Specifically engineered for Ford 8.8" differential housings
• Compatible with 31-spline applications only
• High-strength construction for reliable service life
• Direct replacement for worn or fatigued OE springs
• Manufacturer Part Number: YSPSPR-005

Fits select 1972-2005 Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac vehicles with 7.5-inch or 7.625-inch Dura Grip differentials.

Restore the lock-up performance and predictable traction of your limited-slip differential with the Yukon Gear & Axle Posi Spring Kit. This kit is specifically engineered for the Dura Grip series, providing the calibrated preload tension required to keep clutch packs properly engaged under load. Over time, factory springs can fatigue or lose tension, leading to slippage; this kit replaces those worn components to bring your differential back to factory-spec performance.

• Compatible with GM 7.5" and 7.625" Dura Grip positraction units
• Includes high-quality replacement springs for consistent preload pressure
• Includes heavy-duty preload plates for precise stack height and engagement
• Durable construction designed to withstand high-stress drivetrain environments
• Manufacturer Part Number: YSPSPR-002

Fits select 1960-2011 Chrysler, Dodge, Plymouth, and Ram vehicles with 7.25-inch or 8.25-inch differentials (5.9L).

The Yukon Gear & Axle carrier side bearing screw adjuster is a critical component for achieving a professional-grade differential setup. Specifically engineered for Chrysler 7.25-inch and 8.25-inch rear ends, this adjuster allows for the precise calibration of carrier bearing preload and ring-and-pinion backlash. Replacing a damaged or seized adjuster is essential to ensure proper gear mesh and prevent premature bearing wear or gear noise.

• Compatible with Chrysler 7.25 in. and 8.25 in. differential housings
• Precision-machined threads for accurate adjustment of preload and backlash
• Durable construction to withstand the stresses of the drivetrain
• Direct replacement for factory screw adjusters
• Manufacturer Part Number: YSPSA-002

This Yukon Gear & Axle side bearing screw adjuster fits select 1966-2010 Chrysler, Dodge, Mitsubishi, and Plymouth vehicles equipped with a Chrysler 9.25" rear differential. It is designed to provide the precise control necessary for setting carrier bearing preload and ring and pinion backlash.

As a critical component for any differential rebuild or re-gear, this threaded adjuster replaces worn or damaged factory hardware. Yukon Gear small parts are engineered to meet or exceed OE specifications, ensuring a reliable fit and accurate gear pattern alignment during installation.

• Fits Chrysler 9.25" rear differentials
• Essential for setting carrier bearing preload and gear backlash
• High-quality threaded design for precise adjustment
• Replaces original equipment side adjuster
• Manufacturer Part Number: YSPSA-001

Fits select 1960-2006 Jeep, Ford, Chevrolet, GMC, International, and Isuzu vehicles with Dana 44 rear axles.

This Yukon Gear & Axle bearing retainer plate is designed to properly secure the axle shaft and bearing within the differential housing. Built to meet or exceed OE tolerances, this plate is a critical component for any rear-end rebuild or axle shaft replacement, ensuring the assembly remains seated under lateral loads. This specific version features a lipless design, making it a direct replacement for Jeep TJ models and other various applications using the Dana 44 platform.

• Manufacturer Part Number: YSPRET-010
• Fits Dana Spicer 44 Rear Axles
• Bolt Pattern: 1-1/8 in. x 3-3/16 in.
• Hole Size: 3/8 in.
• Lip Style: Without Lip

Fits select 1960-2013 AMC, Chevrolet, Dodge, Ford, GMC, Jaguar, Jeep, and Volvo vehicles (5.9L) equipped with Dana Spicer 25, 27, 30, 36, 44, 50, or 53 differentials.

This Yukon Gear & Axle pinion nut washer is a critical small part for maintaining the integrity of your differential assembly. Designed to provide a flat, hardened surface for the pinion nut to seat against, it ensures consistent torque application and helps maintain pinion preload. Whether you are performing a ring and pinion swap, replacing a leaking pinion seal, or conducting a complete differential overhaul, using a fresh washer prevents fastener loosening and ensures the longevity of your gear set.

• Fits Dana Spicer 25, 27, 30, 36, 44, 50, and 53 axles
• Essential for ensuring proper pinion nut torque and preload
• Hardened steel construction for durability under high rotational stress
• Direct replacement for worn or distorted OE washers
• Manufacturer Part Number: YSPPN-029

Fits select 1960-2017 Toyota (4Runner, FJ Cruiser, Land Cruiser, Pickup, T100, Tacoma, Tundra), 2003-2009 Lexus GX470, and 1986-1995 Suzuki Samurai models.

This Yukon Gear & Axle Pinion Nut (MPN: YSPPN-022) is a critical component for maintaining proper pinion bearing preload and securing the yoke to the pinion shaft. Designed for durability in high-torque differential applications, this nut is an essential replacement whenever a yoke is removed or a crush sleeve is replaced to ensure the assembly stays tight under load.

This specific nut is engineered for Toyota 8-inch, V6, and Land Cruiser differentials equipped with a 30-spline pinion, as well as Tacoma and T100 models featuring a factory locking differential. It features a 20mm x 1.5 thread pitch and requires a 30mm socket for installation.

• Manufacturer Part Number: YSPPN-022
• Thread Specification: 20mm x 1.5
• Socket Size Required: 30mm
• Compatibility: 30-spline pinion shafts
• Applications: Fits Toyota 8", V6, and Land Cruiser differentials

Fits select 1955-1988 Buick, Chevrolet, GMC, and Pontiac vehicles with GM 12-bolt car and truck or 8.2" Buick, Oldsmobile, and Pontiac (BOP) differentials. This includes 1963-1979 Corvettes.

This Yukon Gear & Axle pinion nut is a critical component for ensuring proper pinion preload and differential longevity. Designed to meet or exceed original equipment standards, this high-strength fastener provides the necessary clamping force to secure the pinion gear within the housing. Whether you are performing a ring and pinion gear swap or a simple seal replacement, using a fresh pinion nut is essential to maintain the structural integrity of your drivetrain.

• Manufacturer Part Number: YSPPN-016
• Thread Pitch: 7/8" x 16
• Required Socket Size: 1 1/8"
• Compatible Housings: GM 12-Bolt (Car/Truck), 8.2" BOP, and 1963-1979 Corvette
• Engineered for high-torque applications and gear set rebuilds

Fits select 1968-2013 AMC, Dodge, Ford, and Jeep vehicles including AMC 20/35, Dana 30/44 JK, and Ford 9.75/10.25/10.5 differentials.

The Yukon Gear & Axle YSPPN-012 is a precision-engineered replacement pinion nut designed to maintain essential pinion bearing preload. As a critical drivetrain component, the pinion nut secures the pinion gear to the yoke; replacing a worn or removed nut is a standard practice during gear swaps or seal replacements to ensure the assembly maintains proper torque and clamping force under load.

• Fits AMC Model 20 and Model 35 differentials
• Fits Jeep JK front Dana 30 and Dana 44 axles
• Compatible with Ford 9.75 in., 10.25 in., and 10.5 in. rear ends
• Thread Size: 7/8 in. x 20
• Required Installation Tool: 1-1/8 in. socket
• Manufacturer Part Number: YSPPN-012