KYB SR4645 Suspension Strut and Coil Spring Assembly - Rear Left

Overview of KYB Strut-Plus Suspension Strut for Toyota Corolla

The KYB Strut-Plus SR4645 is a suspension strut and coil spring assembly designed specifically for Toyota Corolla models. Engineered to restore original ride quality and handling, this strut assembly integrates key features to ensure reliable performance and durability.

• Compressed length: 12.57 inches
• Extended length: 16.75 inches
• Stroke length: 4.18 inches
• Includes protective boot
• Internal rebound spring for enhanced damping

About the KYB Strut-Plus Product Line

The Strut-Plus line from KYB combines a shock absorber and coil spring into a single assembly, simplifying replacement and ensuring proper fitment. This product line is designed to meet or exceed OEM specifications, providing consistent ride comfort and handling characteristics for vehicles like the Toyota Corolla. The integrated design reduces installation time and helps maintain suspension geometry.

Detailed Product Description

The KYB Strut-Plus SR4645 features a compressed length of 12.57 inches and an extended length of 16.75 inches, with a stroke length of 4.18 inches, matching the precise dimensions required for the Toyota Corolla suspension system. The inclusion of a boot protects the internal components from dirt and debris, extending the service life of the strut. An internal rebound spring is incorporated to improve damping control, contributing to a smoother and more controlled ride. This assembly is engineered to provide consistent performance under various driving conditions.

Common Suspension Issues Addressed

• Excessive bouncing or poor ride quality
• Uneven tire wear due to worn suspension components
• Reduced vehicle stability during cornering or braking
• Noise or clunking sounds from the front suspension
• Visible damage or leaks in existing struts

Installation Notes and Tips

When installing the KYB Strut-Plus SR4645 on a Toyota Corolla, ensure the vehicle is securely lifted and supported. It is recommended to replace struts in pairs to maintain balanced handling. Verify that the coil spring is properly seated within the assembly and that the protective boot is intact to prevent premature wear. Alignment should be checked and adjusted after installation to ensure optimal suspension performance.

Quality Assurance and Warranty

KYB manufactures the Strut-Plus SR4645 to meet strict quality standards, ensuring durability and reliable operation. This part is designed to match OEM specifications for the Toyota Corolla suspension system. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.