MPA Electrical WH511028 Wheel Bearing - Rear

Rear Wheel Bearing for Lexus Applications

MPA Electrical WH511028 is a new rear wheel bearing built with a steel construction for select Lexus driveline applications. It is specified for rear service on Lexus GS300, GS430, GS400, IS300, and SC430 models, with fitment details that include the required axle nut torque specification.

Key Features

• New wheel bearing for rear axle service
• Steel construction for durable bearing support
• Hub pilot diameter: 3.306 inch
• No gasket or seal included
• Non-greaseable design
• Cross-references OE-style part numbers 90369-49001 and 90369-49002

Detailed Product Information

MPA Electrical WH511028 is a rear wheel bearing for Lexus driveline and axle repair work. It is built as a new steel unit and matches applications that call for a 3.306-inch hub pilot diameter. This part is listed for rear use on 1998-2005 Lexus GS300, 2001-2005 Lexus GS430, 1998-2000 Lexus GS400, 2001-2005 Lexus IS300, and 2002-2010 Lexus SC430. The manufacturer describes this line as quality-built hubs and bearings, making WH511028 a direct service part for rear wheel bearing replacement on these Lexus models.

This part number, WH511028, is also referenced against 90369-49001 and 90369-49002 for the same application.

What This Part Helps Address

• Rear wheel bearing noise from wear or rough bearing surfaces
• Excessive wheel play or looseness at the rear hub
• Vibration or humming from the rear axle area
• Service replacement for a damaged or worn rear bearing assembly
• Restoration of proper rear wheel support on Lexus GS300, GS430, GS400, IS300, and SC430 models

Installation Notes and Tips

• Fits 1998-2005 Lexus GS300, rear; axle nut torque spec: 213 ft-lbs / 289 Nm
• Fits 2001-2005 Lexus GS430, rear; axle nut torque spec: 213 ft-lbs / 289 Nm
• Fits 1998-2000 Lexus GS400, rear; axle nut torque spec: 213 ft-lbs / 289 Nm
• Fits 2001-2005 Lexus IS300, rear; axle nut torque spec: 213 ft-lbs / 289 Nm
• Fits 2002-2010 Lexus SC430, rear; axle nut torque spec: 213 ft-lbs / 289 Nm

Confirm rear application, hub dimensions, and axle nut torque requirements before installation. Because no gasket or seal is included, verify whether related sealing components need to be reused or sourced separately during service.

Quality Assurance

MPA Electrical supplies this wheel bearing as a new replacement part built for the listed Lexus rear applications. The product is positioned as a quality-built hub and bearing component for service work where correct fitment and OE-style interchange matter.