Dorman 951-143 Wheel Bearing and Hub Assembly - Front

Dorman 951-143 Front Wheel Hub Assembly

Dorman 951-143 is a front wheel bearing and hub assembly for specific Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD applications. It combines the hub and critical bearing replacement components in one direct repair part for front-end service on heavy-duty trucks.

• Front wheel bearing and hub assembly for 2011-2019 Chevrolet Silverado 2500 HD
• Front wheel bearing and hub assembly for 2011-2019 Chevrolet Silverado 3500 HD, w/Single Rear Wheel (SRW)
• Front wheel bearing and hub assembly for 2011-2019 GMC Sierra 2500 HD
• Front wheel bearing and hub assembly for 2011-2019 GMC Sierra 3500 HD, w/Single Rear Wheel (SRW)
• Steel construction
• Gen 3 bearing generation
• Taper bearing type
• ABS sensor included with 1 connector and 2 terminals
• Flange included with circular flange design
• Wheel studs included; wheel stud size M14 x 1.5
• 8 wheel studs, 4 flange bolt holes, 36 spline quantity
• Wheel pilot diameter: 123.9; brake pilot diameter: 126.9
• Bolt circle diameter: 180 mm; flange diameter: 219; flange offset: 73.7

Detailed Product Information

This Dorman wheel hub assembly is built for front axle service on Silverado and Sierra HD trucks where bearing wear, hub looseness, or ABS-related faults require replacement. The assembly includes the hub and critical bearing replacement components for a complete repair on the listed Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD front applications. This part cross-references Timken SP620303 and SKF BR930824 for the same application. Part number 951-143 is also referenced in interchange listings for related hub assembly applications.

Common Repair Symptoms

• Front wheel bearing noise or growling
• Hub play, looseness, or vibration at the front axle
• ABS warning light caused by a failed wheel speed sensor circuit
• Uneven front-end feel during braking or turning
• Hub or bearing wear on heavy-duty Silverado and Sierra front suspension service

Installation Notes

Verify front axle fitment by year, model, and SRW configuration before installation. Confirm wheel stud size, bolt circle diameter, and ABS sensor connection match the original part. Inspect the mating surfaces, axle components, and brake hardware for wear before installing the new hub assembly. Professional installation is recommended for proper torque and sensor alignment.

Quality Assurance

Dorman supplies replacement wheel bearing and hub assemblies with the hub and critical bearing components included for a complete repair on the specified vehicle applications. Part number 951-143 is built to match the listed fitment and hardware specifications for front service on Silverado and Sierra HD trucks.