Mevotech MB86303 Wheel Bearing and Hub Assembly - Front Right

Mevotech MB86303 Wheel Bearing and Hub Assembly Overview

The Mevotech MB86303 wheel bearing and hub assembly is engineered for reliable performance in select Lexus models. Designed with precision, this assembly ensures proper fitment and durability for vehicles such as the Lexus GS300, GS350, IS250, IS300, IS350, RC300, and RC350.

• Flange bolt hole quantity: 4
• Non-integral ABS sensor design
• Gen 3 design type for enhanced durability
• Inside diameter: 62 mm
• Number of bolt holes: 5
• Outside diameter: 160 mm
• Pre-greased for immediate installation

Technical Details and Specifications

The MB86303 wheel bearing and hub assembly features a Gen 3 design type, which provides improved strength and longevity compared to previous generations. The assembly includes a flange with 4 bolt holes and a hub with 5 bolt holes, ensuring secure mounting. The inside diameter measures 62 mm, while the outside diameter is 160 mm, matching OEM specifications for precise fitment. This part comes pre-greased, reducing installation time and ensuring optimal lubrication from the start. The ABS sensor is non-integral, compatible with the ABS systems in the specified Lexus models.

Compatible Lexus Models and Applications

This wheel bearing and hub assembly is compatible with a range of Lexus vehicles, including the GS300, GS350, IS250, IS300, IS350, RC300, and RC350. It is designed to meet the specific requirements of these models, providing a direct replacement for worn or damaged wheel bearings and hubs.

Common Issues Addressed by MB86303

• Eliminates wheel bearing noise and vibration
• Resolves ABS sensor signal interruptions due to non-integral sensor design
• Prevents wheel hub looseness and wobble
• Restores proper wheel alignment and rotation
• Prevents premature wear caused by insufficient lubrication

Installation Notes and Tips

Before installation, verify the part number MB86303 matches the vehicle’s OEM specifications. The pre-greased assembly simplifies installation, but ensure all mounting surfaces are clean and free of debris. Torque all flange and hub bolts to manufacturer specifications. Since the ABS sensor is non-integral, confirm proper connection and sensor alignment during installation to maintain ABS functionality.

Quality Assurance and Warranty

Mevotech wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards. The MB86303 part undergoes rigorous quality control to ensure durability and performance. This product typically includes a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Lexus GS and IS series vehicles as well as RC models.