Dorman 951-821 Wheel Bearing and Hub Assembly - Rear

Reliable Wheel Bearing and Hub Assembly for Nissan Altima

The Dorman 951-821 wheel bearing and hub assembly is designed specifically for Nissan Altima models, providing a precise fit and dependable performance. This assembly includes essential components to ensure proper wheel alignment and smooth rotation.

Key Features of Dorman 951-821 Wheel Bearing and Hub Assembly

• Flange included with a circular shape for secure mounting
• Flange bolt hole quantity: 4 with 12 mm diameter holes
• Wheel stud size: 12 mm, with 5 wheel studs included
• Wheel pilot diameter: 66 mm for accurate wheel centering
• Brake pilot diameter: 68 mm to support brake component alignment
• Hub pilot diameter: 84 mm ensuring proper hub fitment
• Flange offset of 69 mm and flange diameter of 148 mm for correct positioning
• Bolt circle diameter of 114.3 mm matching Nissan Altima specifications
• Package contains one complete wheel bearing and hub assembly

Detailed Description of the Dorman 951-821 Assembly

This wheel bearing and hub assembly is engineered to meet the exact specifications of Nissan Altima vehicles. The assembly features a flange with four bolt holes and a circular shape, designed to provide a secure and stable connection to the vehicle’s driveline. The included wheel studs (five in total) are sized at 12 mm, ensuring compatibility with standard Nissan Altima wheels. The precise pilot diameters for the wheel, brake, and hub components help maintain proper alignment and reduce vibration during operation. The flange offset and diameter are calibrated to maintain the correct wheel positioning relative to the suspension and brake system.

Common Applications and Issues Addressed

• Replacement of worn or damaged wheel bearing and hub assemblies on Nissan Altima
• Elimination of wheel noise or roughness caused by bearing wear
• Correction of wheel wobble or play due to hub assembly failure
• Restoration of proper wheel alignment and brake component fitment
• Support for safe and stable vehicle handling

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before beginning installation
• Verify that the flange bolt holes and wheel studs align correctly with the vehicle hub
• Use proper torque specifications for flange bolts and wheel studs to avoid damage
• Inspect related components such as brake rotors and suspension parts during installation
• Check for smooth rotation and absence of play after assembly installation

Quality Assurance and Warranty Information

Dorman wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for fit, form, and function. The 951-821 part number undergoes rigorous quality control to ensure durability and reliable performance on Nissan Altima vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.