Dorman 951-301 Wheel Bearing and Hub Assembly - Front or Rear

Reliable Wheel Bearing and Hub Assembly for GM Vehicles

The Dorman 951-301 wheel bearing and hub assembly is engineered to provide precise fitment and dependable performance for select Buick, Cadillac, Chevrolet, and GMC models. Designed with a 30-spline configuration and integrated tone ring for ABS functionality, this assembly supports safe and smooth vehicle operation.

• Compatible with Buick Allure, LaCrosse, Regal; Cadillac CTS, XTS; Chevrolet Camaro, Equinox, Impala, Malibu, Malibu Limited; GMC Terrain
• Includes flange and wheel studs for secure mounting
• Features a 30-spline quantity for accurate drivetrain engagement
• Equipped with a tone ring for Anti-Lock Braking System (ABS) compatibility
• Flange has a triangular shape with 3 bolt holes and a 157 mm diameter
• Wheel pilot diameter of 66.9 mm and brake pilot diameter of 67.4 mm
• Hub pilot diameter measures 91.3 mm for proper hub alignment
• Wheel stud size is 14 mm with 5 studs included
• Flange offset is 42 mm, bolt circle diameter is 120 mm

Detailed Product Description

The Dorman 951-301 wheel bearing and hub assembly is designed to meet the specific requirements of various GM vehicles, including Buick, Cadillac, Chevrolet, and GMC models. This assembly features a 30-spline shaft that ensures precise drivetrain connection and torque transfer. The flange is triangular with three bolt holes, providing a secure and stable mounting surface. The included wheel studs (five in total, each 14 mm in size) facilitate proper wheel attachment. The assembly also incorporates a tone ring to support the vehicle's Anti-Lock Braking System (ABS), enhancing safety and braking performance. With a wheel pilot diameter of 66.9 mm and brake pilot diameter of 67.4 mm, this hub assembly ensures accurate alignment with brake components. The hub pilot diameter of 91.3 mm further aids in proper hub positioning. The flange offset of 42 mm and bolt circle diameter of 120 mm are engineered to match factory specifications for a seamless fit.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Buick Allure, LaCrosse, Regal
• Restores proper ABS tone ring function on Cadillac CTS and XTS models
• Eliminates wheel vibration and noise caused by faulty bearings on Chevrolet Camaro, Equinox, Impala, Malibu, Malibu Limited
• Addresses wheel stud damage or corrosion on GMC Terrain vehicles
• Corrects hub misalignment issues affecting braking and handling

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the flange bolt holes and wheel studs align correctly with the vehicle hub. Since flange bolts are not included, retain or replace existing hardware as needed. Confirm ABS sensor wiring and connectors are intact and properly routed to avoid interference with the tone ring. Torque all fasteners to manufacturer specifications to maintain safety and performance.

Quality Assurance and Warranty

Dorman wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for fit, form, and function. The 951-301 part number undergoes rigorous quality control to ensure durability and reliable operation. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation for exact warranty terms.