Timken 518507 Wheel Bearing and Hub Assembly - Front

Timken Wheel Bearing and Hub Assembly Overview

The Timken 518507 wheel bearing and hub assembly is engineered for reliable driveline performance in select Chevrolet, Geo, and Toyota vehicles. Designed to meet precise specifications, this assembly ensures proper fitment and durability for models such as the Toyota Corolla and Geo Prizm.

• 26 spline quantity for secure drivetrain engagement
• Wheel pilot diameters of 54.05 mm and 2.13 inches for accurate wheel alignment
• Brake pilot diameters of 2.19 inches and 54.97 mm for proper brake component fit
• 4 wheel studs for stable wheel mounting
• Driven type drive configuration
• Flange diameters of 123.95 mm and 4.88 inches for correct hub mounting
• Bolt circle diameters of 100 mm and 3.937 inches to match vehicle specifications

Detailed Product Description

The Timken 518507 wheel bearing and hub assembly is designed to provide a precise fit and reliable operation for Chevrolet, Geo, and Toyota vehicles, including the Toyota Corolla and Geo Prizm. This assembly features a 26-spline configuration that ensures proper torque transfer and drivetrain engagement. The dual measurement specifications for wheel pilot diameter (54.05 mm and 2.13 inches) and brake pilot diameter (2.19 inches and 54.97 mm) accommodate exact fitment requirements, supporting both wheel and brake components. With four wheel studs and a driven drive type, this hub assembly is engineered to maintain wheel stability and drivetrain efficiency. The flange and bolt circle diameters are matched to OEM standards, ensuring compatibility and ease of installation.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings in Toyota Corolla and Geo Prizm
• Eliminates wheel hub noise and vibration issues
• Restores proper wheel alignment and brake component fit
• Addresses wheel stud damage or corrosion
• Improves drivetrain engagement and reduces play in the hub assembly

Installation Notes and Tips

• Verify vehicle compatibility with Chevrolet, Geo, and Toyota models before installation
• Ensure all mounting surfaces are clean and free of debris
• Torque wheel studs and bolts to manufacturer specifications
• Inspect related suspension and brake components during installation
• Use proper tools to avoid damage to the spline and flange areas

Quality Assurance and Warranty

Timken wheel bearing and hub assemblies are manufactured to meet strict quality standards for durability and performance. The 518507 part number undergoes rigorous testing to ensure it meets OEM specifications for fit and function. While specific warranty details may vary, Timken products typically include coverage against defects in materials and workmanship to provide confidence in long-term use.