Dorman 951-139 Wheel Bearing and Hub Assembly - Front

Dorman 951-139 Front Wheel Hub Assembly

Dorman 951-139 is a front wheel bearing and hub assembly for specific Cadillac, Chevrolet, and GMC applications. It combines the hub with critical bearing replacement components for a complete front-end repair on supported vehicles, including Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models.

Key Features

• Front wheel bearing and hub assembly for driven applications
• Steel construction
• Gen 3 bearing design with taper bearing type
• ABS sensor included with sensor-type anti-lock brake system
• 6 wheel studs with M14 x 1.5 thread size
• 33 spline quantity
• Triangular flange design with 3 flange bolt holes
• Wheel pilot diameter: 77.7 mm
• Brake pilot diameter: 78.3 mm
• Bolt circle diameter: 139.7 mm

Detailed Description

This Dorman wheel bearing and hub assembly is built for front-position service on 2013-2020 Cadillac XTS, 2015-2020 Cadillac Escalade and Escalade ESV, 2015-2020 Chevrolet Tahoe, 2015-2020 GMC Yukon and Yukon XL, 2015-2018 Chevrolet Cheyenne and Silverado 1500, 2015-2018 GMC Sierra 1500, and 2019 Chevrolet Silverado 1500 LD and GMC Sierra 1500 Limited. It is a direct replacement style hub assembly that includes the hub and bearing replacement components needed for a front wheel service on the listed vehicles. This part number is 951-139.

This part cross-references Timken HA590491 and SKF BR930914 for the same application.

What It Is Used For

• Front wheel bearing noise on supported Cadillac, Chevrolet, and GMC trucks and SUVs
• Wheel play or looseness at the hub
• ABS warning light concerns related to the hub-mounted sensor
• Uneven wheel rotation caused by worn bearing components
• Hub service on front-driven applications with 6-lug wheel mounting

Installation Notes and Tips

Verify front-position fitment before installation and confirm the vehicle uses the correct ABS sensor-style hub configuration. Check spline count, flange dimensions, wheel stud size, and bolt circle diameter against the original part before assembly. Inspect the mating surfaces, axle interface, and brake components during service to help ensure proper hub seating and sensor operation.

Quality Assurance

Dorman replacement hub assemblies are engineered as service parts for specific vehicle applications and built to match the required hub, bearing, and sensor configuration. Confirm vehicle fitment by year, make, model, and front position before ordering. Part number 951-139 is intended for direct replacement use on the listed applications.