Yukon Gear Master Overhaul Kit for Dana 70-U Differential - YK D70-U (Select Chevy, Dodge, Ford, & GMC 1970-2012)

Fits select 1970-2012 Chevrolet, Dodge, Ford, and GMC vehicles equipped with the Dana Spicer 70U rear differential.

The Yukon Gear Master Overhaul Kit (MPN YK D70-U) is a comprehensive solution designed for professional-grade differential rebuilds. Built around premium Timken bearings and races, this kit provides the precise tolerances and heat-treated durability required for heavy-duty applications. Whether you are addressing gear noise or performing a complete drivetrain restoration, Yukon ensures every necessary component is included to minimize downtime and prevent the need for additional trips to the parts counter.

This kit replaces worn OE components with high-quality seals and hardware, ensuring a leak-free installation and proper ring and pinion gear mesh. The inclusion of a complete shim kit allows for exact carrier and pinion adjustments, which is critical for long-term gear life and quiet operation.

• Manufacturer Part Number: YK D70-U
• Differential Compatibility: Dana Spicer 70U
• Bearing Brand: Timken bearings and races
• Included Hardware: Carrier bearings, carrier races, pinion bearings, and pinion races
• Installation Essentials: Pinion seal, complete shim kit, and ring gear bolts
• Additional Components: Pinion nut, oil baffles, slingers, and gasket
• Setup Tools: Thread locker, marking compound, and applicator brush