Yukon Master Overhaul Kit for Dana 70-U Differential | Timken Bearings & Seals

Revive Your Dana 70-U with the Yukon Master Overhaul Kit

Keep your heavy-duty differential performing at its best with a comprehensive, all-in-one package from Yukon Gear & Axle. The Yukon Master Overhaul Kit for Dana 70-U is designed to simplify a core maintenance project, delivering a precise blend of high-quality components that support smooth operation and long-term reliability. Rather than sourcing bearings, seals, and small parts separately, this kit brings them together, saving time and helping you plan a thorough rebuild with clear expectations.

What sets this kit apart is the inclusion of trusted Timken bearings and races alongside full seals, a complete shim kit, and essential fasteners. The result is a refresh that respects the original tolerances and helps you restore drivetrain feel, reduce noise, and maintain consistent gear engagement during driving, towing, or off-road use.

What’s included

• Timken bearings and races
• Carrier bearings and races
• Pinion bearings and races
• Pinion seal
• Complete shim kit
• Ring gear bolts
• Pinion nut
• Oil baffles and slingers
• Thread locker
• Marking compound with brush
• Gasket

In addition to parts, the kit provides practical tools for accurate setup. The marking compound helps verify pattern during installation, while the shim kit supports proper gear contact and preload. The included thread locker and gaskets support secure, long-lasting seals and a clean drivetrain exterior.

Designed for reliability and ease

Everything in this Yukon kit is chosen to support an efficient rebuild process. The mix of high-grade bearings, seals, and small parts is intended to minimize guesswork, reduce rework, and help you achieve reliable operation across a range of driving conditions—from daily commuting to weekend trail rides.

Fit and application

Designed to fit Dana Spicer 70U differentials, the kit aligns with the Dana 70-U’s mounting and sealing surfaces. This compatibility aims to support a straightforward rebuild workflow and a durable, long-lasting result.

Usage scenarios

Ideal for project rebuilds, refresh cycles after heavy use, and routine maintenance plans that prioritize solid performance and predictable drive feel. Expect smoother shifts, quieter operation, and improved confidence behind the wheel.

Benefits at a glance

• All-in-one kit reduces downtime and part hunting
• Includes trusted Timken bearings and races
• Comprehensive shim kit for accurate setup
• New seals, fasteners, and gaskets for a durable seal