FAG 805984.09 Wheel Bearing and Hub Assembly - Front or Rear

Overview of FAG Wheel Bearing and Hub Assembly 805984.09

The FAG wheel bearing and hub assembly 805984.09 is engineered for reliable driveline performance in select Buick, Cadillac, and Chevrolet vehicles. Designed to meet precise specifications, this component ensures proper wheel alignment and smooth rotation for models like the Buick LaCrosse and Chevrolet Malibu.

• Compatible with Buick, Cadillac, and Chevrolet models including ATS, Cruze, and Envision
• Includes ABS tone ring with multipol encoder (MPE) for accurate wheel speed sensing
• Five wheel stud configuration with 115 mm (4.528 in) bolt hole diameter
• Brake pilot diameter of 70.6 mm (2.780 in) for secure brake rotor fitment
• Hub pilot diameter of 91.25 mm (3.593 in) ensuring precise hub centering
• Flange diameter measures 146 mm (5.748 in) with a flange-to-knuckle width of 42.06 mm (1.656 in)
• Three inlet mounting holes for secure installation

Technical Specifications and Features

The FAG 805984.09 wheel bearing and hub assembly is designed with exacting dimensions to fit specific driveline requirements. The 5-lug wheel stud pattern with a bolt hole diameter of 115 mm (4.528 inches) supports secure wheel mounting. The brake pilot diameter of 70.6 mm (2.780 inches) ensures proper alignment of brake components, while the hub pilot diameter of 91.25 mm (3.593 inches) provides accurate centering of the hub on the axle. The included ABS tone ring with a multipol encoder (MPE) supports the vehicle’s anti-lock braking system by delivering precise wheel speed data. The flange diameter of 146 mm (5.748 inches) and the flange-to-knuckle width of 42.06 mm (1.656 inches) contribute to the assembly’s structural integrity and fitment accuracy.

Compatible Vehicles and Applications

This wheel bearing and hub assembly is compatible with a range of Buick, Cadillac, and Chevrolet vehicles. It is suitable for models such as the Buick LaCrosse, Regal Sportback, and Encore GX, as well as the Cadillac ATS, CT4, and ELR. Chevrolet models including the Cruze, Malibu, Trailblazer, and Volt also use this part. The part number 805984.09 ensures correct identification for these applications.

• Eliminates wheel bearing noise and vibration
• Resolves wheel hub looseness and play
• Restores ABS sensor functionality with included tone ring
• Prevents uneven tire wear caused by hub misalignment
• Addresses wheel hub assembly failure symptoms

Installation Notes and Tips

When installing the FAG 805984.09 wheel bearing and hub assembly, ensure the mounting surface is clean and free of debris. Torque the five wheel studs to manufacturer specifications to maintain proper wheel alignment. Verify the ABS tone ring is correctly positioned to avoid sensor errors. Use appropriate tools to avoid damage to the flange and hub pilot surfaces. It is recommended to inspect related suspension and brake components during installation for optimal performance.

Quality Assurance and Warranty

FAG manufactures this wheel bearing and hub assembly to meet OEM standards for durability and performance. The part undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, FAG typically offers coverage against manufacturing defects to provide confidence in the product’s reliability for Buick, Cadillac, and Chevrolet applications.