Timken RW508BR Automatic Transmission Final Drive Bearing - Rear

Reliable Automatic Transmission Final Drive Bearing for Buick, Cadillac, and Pontiac

The Timken RW508BR automatic transmission final drive bearing is engineered to meet the specific needs of select Buick, Cadillac, and Pontiac models. Designed for durability and precise fitment, this bearing supports smooth transmission operation in vehicles like the Eldorado, Grand Prix, and LeSabre.

• Compatible with Buick LeSabre, Cadillac Eldorado, and Pontiac Grand Prix
• Part number RW508BR ensures exact replacement fit
• Manufactured by Timken, a trusted name in automotive bearings
• Designed for automatic transmission final drive applications
• Durable construction for long service life under transmission loads

Product Details and Specifications

The Timken RW508BR is a precision-engineered automatic transmission final drive bearing tailored for specific GM vehicles. This bearing supports the final drive assembly within the automatic transmission, helping to reduce friction and wear during gear engagement and power transfer. Its robust design accommodates the load and rotational speeds typical of the Buick LeSabre, Cadillac Eldorado, and Pontiac Grand Prix transmissions. Using the correct part number RW508BR ensures compatibility and maintains transmission performance and reliability.

Applications and Common Issues Addressed

• Replacement for worn or damaged final drive bearings in Buick LeSabre automatic transmissions
• Restores smooth operation in Cadillac Eldorado transmission final drive assemblies
• Eliminates noise and vibration caused by bearing wear in Pontiac Grand Prix transmissions
• Prevents premature transmission failure due to bearing degradation
• Supports proper gear alignment and load distribution in automatic transmissions

Installation Notes and Tips

Proper installation of the Timken RW508BR bearing is critical for optimal transmission function. It is recommended to inspect the transmission housing and related components for wear or damage before installation. Use appropriate tools to press the bearing into place without causing damage. Ensure the bearing is seated correctly to avoid misalignment, which can lead to premature wear. Follow vehicle-specific service manual instructions for torque specifications and assembly procedures.

Quality Assurance and Warranty Information

Timken bearings are manufactured to meet stringent quality standards, ensuring reliable performance in demanding automotive applications. The RW508BR bearing undergoes rigorous testing to verify dimensional accuracy and material integrity. While specific warranty terms may vary, Timken typically offers coverage against manufacturing defects, providing confidence in the product's durability and fitment for Buick, Cadillac, and Pontiac automatic transmissions.