MPA Electrical WH541005 Wheel Bearing and Hub Assembly - Rear

Wheel Bearing and Hub Assembly for GM Trucks

MPA Electrical WH541005 is a new wheel bearing and hub assembly built for rear applications on select Chevrolet Silverado 1500 and GMC Sierra 1500 models with 4-wheel steering. It is a fitment-specific replacement for vehicles that use a 37-spline hub design and a 6-stud wheel pattern.

Key Features

• Fits 2002-2005 Chevrolet Silverado 1500, rear, with 4-wheel steering.
• Fits 2002-2005 GMC Sierra 1500, rear, with 4-wheel steering.
• Steel construction with an included flange and seal.
• 37-spline hub design with M14 x 1.5 wheel studs.
• Square flange shape with a 4-bolt flange pattern.

Detailed Description

WH541005 is a rear wheel bearing and hub assembly engineered for specific Chevrolet Silverado 1500 and GMC Sierra 1500 applications. The assembly uses a steel hub body, includes the flange and gasket or seal, and is configured with 37 splines, 6 wheel studs, and a square flange layout. The part number WH541005 is also referenced by interchange numbers 15115915 and 26083838 for the same application.

MPA Electrical identifies this unit as part of its Quality-Built Hubs & Bearings line, giving buyers a direct replacement option for GM truck hub service where the original assembly has worn bearings, damaged studs, or hub-related noise. WH541005 is built for the rear position and matches the specified 4-wheel steering fitment listed for these trucks.

What This Part Helps Address

• Wheel bearing noise from a worn rear hub assembly.
• Loose or damaged wheel studs on the hub.
• Hub play or vibration caused by internal bearing wear.
• Corrosion or damage to the original flange assembly.
• Replacement needs on trucks with the listed 4-wheel steering configuration.

Installation Notes and Tips

Confirm rear fitment, 4-wheel steering configuration, spline count, and stud pattern before installation. Match the original hub dimensions and mounting layout to the vehicle specification to ensure proper alignment and wheel attachment. The ABS sensor is not included, and the wiring harness is not included.

Quality Assurance

MPA Electrical markets this part under its Quality-Built Hubs & Bearings designation. The WH541005 is a new replacement assembly intended to meet the application requirements listed for the specified GM trucks.