Dorman 951-403 Wheel Bearing and Hub Assembly - Front

Reliable Wheel Bearing and Hub Assembly for Nissan and Infiniti Vehicles

The Dorman 951-403 wheel bearing and hub assembly is engineered to provide precise fitment and dependable performance for select Nissan and Infiniti models. Designed with integrated features to support anti-lock braking systems, this assembly ensures smooth wheel rotation and vehicle stability.

• Compatible with Nissan Altima, JX35, Maxima, Murano, Pathfinder, and Infiniti QX50, QX60
• Includes a circular flange with 4 bolt holes and 5 wheel studs (size 12)
• Equipped with a 32-spline hub for secure drivetrain connection
• Features a tone ring for Anti-Lock Braking System (ABS) functionality
• Wheel pilot diameter of 66 mm and brake pilot diameter of 68 mm for accurate alignment
• Hub pilot diameter measures 93 mm with a flange diameter of 136 mm
• Flange offset of 40.7 mm and bolt circle diameter of 114.3 mm
• Wheel studs and flange included; flange bolts not included

Detailed Product Description

The Dorman 951-403 wheel bearing and hub assembly is designed to meet the specific requirements of Nissan and Infiniti vehicles, including the Altima, JX35, Maxima, Murano, Pathfinder, QX50, and QX60. This assembly features a 32-spline hub that ensures a secure connection to the drivetrain, supporting reliable torque transfer. The circular flange includes 4 bolt holes and 5 wheel studs sized at 12 mm, which are included for ease of installation. The flange offset of 40.7 mm and flange diameter of 136 mm provide proper wheel positioning and clearance.

Additionally, the assembly incorporates a tone ring compatible with the vehicle's Anti-Lock Braking System (ABS), enhancing safety by enabling accurate wheel speed monitoring. The wheel pilot diameter of 66 mm and brake pilot diameter of 68 mm ensure precise alignment with the brake components, while the hub pilot diameter of 93 mm supports stable hub mounting.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings causing noise or vibration
• Fixes wheel hub looseness or play affecting steering and handling
• Restores ABS functionality when tone ring or hub assembly is faulty
• Addresses uneven tire wear due to hub misalignment
• Resolves wheel stud damage or corrosion impacting wheel security

Installation Notes and Tips

• Verify vehicle compatibility with Nissan Altima, JX35, Maxima, Murano, Pathfinder, Infiniti QX50, or QX60 before installation
• Use proper torque specifications for flange bolts (not included) and wheel studs
• Inspect surrounding components such as brake rotors and calipers during installation
• Ensure ABS sensor wiring is intact and properly connected after assembly
• Professional installation is recommended to maintain safety and performance standards

Quality Assurance and Warranty

Dorman manufactures the 951-403 wheel bearing and hub assembly to meet or exceed OEM standards for fit, form, and function. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship. For detailed warranty terms, refer to Dorman's official documentation.