KYB SR4401 Suspension Strut and Coil Spring Assembly - Front Left

Overview of KYB Strut-Plus Suspension Strut for Lexus ES350

The KYB Strut-Plus SR4401 is a suspension strut and coil spring assembly designed specifically for the Lexus ES350. This assembly provides a direct replacement solution to restore the original ride quality and handling characteristics of your vehicle.

• Complete suspension strut and coil spring assembly
• Compatible with Lexus ES350 models
• Part number SR4401 for precise fitment
• Manufactured by KYB, a trusted brand in suspension components
• Designed to meet or exceed OEM specifications

About the KYB Strut-Plus Product Line

The Strut-Plus line from KYB offers fully assembled suspension strut and coil spring units that simplify installation and reduce labor time. This product line is engineered to provide a reliable replacement that maintains the original suspension geometry and performance. The Strut-Plus assemblies are designed to fit specific vehicle applications, such as the Lexus ES350, ensuring compatibility and proper function.

Detailed Product Description

The KYB Strut-Plus SR4401 combines a high-quality shock absorber with a coil spring in a single assembly, engineered for the Lexus ES350. This suspension strut and coil spring assembly is built to restore the vehicle’s handling, stability, and ride comfort by replacing worn or damaged components. The pre-assembled design eliminates the need for spring compressors during installation, enhancing safety and convenience. The SR4401 part number ensures that this assembly matches the exact specifications required for the Lexus ES350, maintaining proper suspension alignment and performance.

Common Applications and Issues Addressed

• Restores ride comfort and smoothness on Lexus ES350
• Eliminates excessive bouncing or bottoming out
• Corrects uneven tire wear caused by worn suspension
• Improves vehicle handling and stability
• Replaces noisy or damaged strut assemblies

Installation Notes and Tips

Installation of the KYB Strut-Plus SR4401 is straightforward due to its fully assembled design. It is recommended to have the vehicle’s alignment checked and adjusted after installation to ensure optimal handling and tire wear. Use proper tools and follow vehicle-specific service manual instructions for safe removal and installation. The pre-assembled coil spring reduces the risk associated with spring compression during replacement.

Quality Assurance and Warranty

KYB manufactures the Strut-Plus SR4401 to meet or exceed OEM standards for durability and performance. While specific warranty details may vary, KYB typically offers a limited warranty covering defects in materials and workmanship. This ensures confidence in the product’s reliability when installed on the Lexus ES350.