The Yukon Gear & Axle YPK D44-JK-RUB Pinion Installation Kit provides the essential components for installing a new gear set in the Dana Spicer 44 JK Rubicon rear differential. Designed for lower-mileage applications where the existing carrier bearings and races can be reused, this kit helps simplify the installation process while supporting proper pinion setup and differential service. Yukon Gear & Axle researches each application to help ensure the kit includes the correct components for the specified vehicle and axle configuration.
This kit uses Timken pinion bearings and races for dependable fit and performance, along with a high-quality pinion seal and the small parts required during installation. The included complete pinion shim kit supports accurate pinion depth adjustment, while the crush sleeve and marking compound help with proper bearing preload and gear tooth contact verification. A brush is included for convenient application of the marking compound during setup.
The Yukon Gear & Axle YPK D44-JK-RUB is designed for the Dana Spicer 44 JK Rubicon rear differential and fits select 2007–2013 Jeep Wrangler applications. It is intended for automotive differential service and gear installation where the carrier bearings and races remain serviceable. Always verify the axle type, model year, and existing component condition before installation. Professional installation and adherence to the axle manufacturer's setup specifications are recommended for reliable differential operation.
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