MPA Electrical WH515040H Wheel Bearing and Hub Assembly - Front

Front Wheel Hub Assembly for Toyota and Lexus

MPA Electrical WH515040H is a front wheel bearing and hub assembly built for select Toyota and Lexus applications. It features a steel hub with a 6-bolt wheel pattern, 29 splines, and an integrated flange with encoder-style ABS tone ring design for direct replacement service.

Compatible with front hub service on Toyota 4Runner, Tacoma, FJ Cruiser, and Lexus GX460 and GX470 applications, this assembly is built to match OE-style dimensions and mounting points. The WH515040H part number is also referenced for cross-application replacement needs.

Key Features

• Front wheel bearing and hub assembly for driveline and axle service
• Steel construction for strength and durability
• 29-spline hub design
• 6 wheel studs with M12 x 1.5 thread size
• Integrated flange with 4 bolt holes and square flange shape
• Encoder-type ABS configuration
• Gasket or seal included
• New replacement part from MPA Electrical

Detailed Description

MPA Electrical WH515040H is a quality-built front hub assembly engineered for vehicles that use a 29-spline, encoder-style ABS hub setup. The assembly includes the flange and seal, with a hub pilot diameter of 3.778 inches, flange diameter of 6.58 inches, and flange offset of 2.144 inches. Its steel construction and OE-style dimensions support accurate fitment for front wheel bearing replacement on Toyota 4Runner, Toyota Tacoma, Toyota FJ Cruiser, Lexus GX460, and Lexus GX470 models.

This part cross-references 43502-04080 and 43502-04120 for the same application. Use WH515040H when replacing a worn front hub assembly on 2021-2024 Toyota 4Runner, 2021-2023 Toyota Tacoma, or 2021-2023 Lexus GX460, as well as earlier front applications listed for these platforms.

Common Problems This Part Can Address

• Front wheel bearing noise or growling
• Excessive hub play or looseness
• ABS warning light caused by hub sensor ring issues
• Uneven wheel rotation from a worn hub assembly
• Vibration or roughness from front-end bearing wear

Installation Notes and Tips

Confirm spline count, flange dimensions, and ABS encoder style before installation. For axle nut torque specifications, refer to the OE service manual; some listed applications require model-specific torque values. Inspect the mating surfaces, axle nut, and surrounding suspension components during replacement to help ensure proper hub seating and consistent wheel bearing operation.

Quality Assurance

MPA Electrical markets this part as a quality-built hub and bearing assembly. The WH515040H is a new replacement component made to support OE-style fitment and dependable front-end service on the listed Toyota and Lexus vehicles.