GMB 730-0003 Wheel Bearing and Hub Assembly - Front or Rear

Wheel Bearing Hub Assembly for GM Front Applications

GMB 730-0003 is a driven wheel bearing and hub assembly built for front axle service on a wide range of GM vehicles. Manufactured to meet or exceed OEM specifications, it is a direct replacement choice for drivers servicing worn hub noise, looseness, or ABS-related wheel-end concerns.

Compatible With front applications on Chevrolet Impala, Buick Lucerne, Cadillac DTS, Pontiac Grand Prix, and other listed GM models, this hub assembly is designed around the original equipment fit and function.

Key Features

• Driven hub assembly design for front wheel-end service
• Manufactured to meet or exceed OEM specifications
• No ABS sensor included
• ABS tone ring not required
• Wheel studs not required
• Part number: 730-0003

Detailed Product Overview

This GMB wheel bearing and hub assembly is engineered for front-position applications across many GM passenger cars and crossovers, including Chevrolet Impala, Buick LaCrosse, and Pontiac Bonneville. The driven hub design supports the original drivetrain layout, while the OE-style construction helps maintain proper wheel support and rotation characteristics. If you are replacing a noisy or worn front hub on a Chevrolet Impala or Buick Lucerne, GMB 730-0003 provides a service-ready replacement built to OEM-level specifications.

This part cross-references MOOG Hub Assemblies 513121 for the same application.

What This Part Helps Address

• Front wheel bearing noise or growling
• Wheel play or looseness at the hub
• Uneven wheel rotation caused by hub wear
• ABS warning concerns related to hub service on listed vehicles
• Restoring proper front-end wheel support on GM models

Installation Notes and Tips

• Verify year, make, model, and position before ordering; this part is used in both front and rear positions on some listed vehicles, but fitment must match the exact application.
• Confirm whether your vehicle uses standard-duty or heavy-duty brake equipment where noted in the fitment data.
• Inspect the knuckle, axle, and mounting surfaces for wear or damage before installation.
• Follow factory torque specifications and service procedures during hub replacement.
• Check ABS wiring and clips during service, especially on applications that note a metal ABS sensor wire clip.

Quality Assurance

GMB manufactures this hub assembly to meet or exceed OEM specifications, supporting consistent fit and dependable wheel-end service for the listed GM applications. Part number 730-0003 is built for direct replacement use on confirmed fitments.