Timken SP580303 Wheel Bearing and Hub Assembly - Front Left

Timken SP580303 Front Left Hub Assembly

Timken SP580303 is a front left wheel bearing and hub assembly for select Chevrolet and GMC 4x4 trucks and SUVs. It is built with OE-developed testing, low runout characteristics, and premium sealing and bearing features to support smooth wheel rotation, reduced noise, and stable braking performance.

Key Features

• Front left wheel bearing and hub assembly for driven applications
• 33-spline design with 8 wheel studs
• 4-bolt flange mounting pattern
• Low runout construction helps reduce wheel noise and vibration
• Premium seals use reinforced and contamination-resistant features to support seal life
• Precision bearing geometry and refined surface finishes help improve load handling and bearing durability
• ABS sensor is 100% tested for wheel speed monitoring

Detailed Description

Timken SP580303 is engineered for the front left position on 1996-2000 Chevrolet K2500 and K3500, 1996-2000 GMC K2500 and K3500, and 1996-1999 Chevrolet K1500, Chevrolet K2500 Suburban, GMC K1500, and GMC K2500 Suburban. This hub assembly uses a 6.5-inch bolt circle, 8.19-inch flange diameter, 4.165-inch hub pilot diameter, and 4.590-inch wheel pilot diameter to match the listed applications. Timken’s OE-based validation process, precision bearing profiles, and tested ABS sensing support consistent wheel-speed signal performance and dependable driveline service.

This part cross-references MOOG 515041 and SKF BR930406 for the same application.

Common Issues This Part Can Address

• Wheel bearing noise from the front left hub area
• Excess wheel vibration or runout at speed
• ABS warning light caused by wheel-speed sensor signal issues
• Loose or unstable wheel feel from worn hub components
• Reduced braking consistency related to hub wear

Installation Notes and Tips

Confirm front left fitment by year, make, model, and 8-stud configuration before installation. Inspect the mating surfaces, axle splines, and mounting points for wear or corrosion, and verify the ABS connector and tone signal path are clean and undamaged. Proper torque and alignment during installation help preserve hub life and braking performance.

Quality Assurance

Timken manufactures hub bearing assemblies using OE-developed testing for design, materials, and process control. The assembly includes premium seals, precision bearing surfaces, and tested ABS sensor performance to support consistent operation in the listed Chevrolet and GMC applications.