Yukon Gear ZBKD30-JK Front Diff Bearing Kit for 2007-2018 Jeep Wrangler JK

Vehicle Fitment

• 2007-2011 Jeep Wrangler JK (Sport, Sahara, X, Rubicon, 3.8L V6, 4WD) - Front Dana 30 Axle
• 2012-2017 Jeep Wrangler JK (Sport, Sahara, Rubicon, 3.6L V6, 4WD) - Front Dana 30 Axle
• 2007-2011 Jeep Wrangler JK Unlimited (Sport, Sahara, X, Rubicon, 3.8L V6, 4WD) - Front Dana 30 Axle
• 2012-2017 Jeep Wrangler JK Unlimited (Sport, Sahara, Rubicon, 3.6L V6, 4WD) - Front Dana 30 Axle
• 2018 Jeep Wrangler JK (Sport, Sport S, Sahara, 3.6L V6, 4WD) - Front Dana 30 Axle
• 2018 Jeep Wrangler JK Unlimited (Sport, Sport S, Sahara, 3.6L V6, 4WD) - Front Dana 30 Axle

Fitment Notes

• Designed for Jeep Wrangler JK models equipped with the factory front Dana Spicer 30 axle
• Rubicon models typically use a Dana 44 front axle and may require a Dana 44-specific install kit
• Intended for differential rebuilds or ring and pinion gear installation
• Professional installation recommended to ensure proper preload and gear setup

Features

• Complete differential bearing installation kit for Jeep JK Dana 30 front axle
• Engineered specifically for the Dana Spicer 30 front differential used in Wrangler JK models
• Premium Koyo or Timken tapered roller bearings for durability and long service life
• Includes essential installation hardware required for ring and pinion gear setups
• Precision-manufactured bearings ensure accurate preload and gear alignment
• Ideal for differential rebuilds, gear ratio changes, and drivetrain repairs
• Direct-fit components designed for factory Dana 30 JK axle housings
• Provides professional-grade reliability for off-road and daily-driven vehicles

Specifications

• Differential Type: Dana Spicer 30
• Axle Position: Front Differential
• Axle Application: Jeep Wrangler JK
• Bearing Type: Premium Koyo/Timken tapered roller bearings
• Housing Compatibility: OEM Dana 30 JK front axle housing
• Application: Differential rebuild or ring and pinion installation
• Drivetrain: 4WD solid front axle configuration

Included Components

• 2x Carrier Bearings
• 2x Carrier Bearing Races
• 2x Pinion Bearings
• 2x Pinion Bearing Races
• 1x Pinion Seal
• 1x Pinion Nut
• 1x Crush Sleeve
• 1x Gear Marking Compound with Brush

Product Description

The Yukon Gear & Axle ZBKD30-JK Differential Bearing Kit is designed for installing or rebuilding the front Dana 30 differential found in Jeep Wrangler JK models. This kit includes the essential bearings, races, seals, and installation hardware required to correctly set up a ring and pinion gear set. Each component is engineered to meet the demands of off-road and daily-driven Jeep applications, ensuring proper preload, gear alignment, and long-term drivetrain reliability.

Featuring premium Koyo or Timken tapered roller bearings, this kit provides the durability and precision required during differential service. It is ideal for gear ratio changes, locker installations, or complete axle rebuilds on Dana 30 front differentials. Designed as a direct-fit solution for Jeep Wrangler JK axles, the ZBKD30-JK helps ensure smooth operation and dependable performance both on-road and off-road.