KYB SR4397 Suspension Strut and Coil Spring Assembly - Rear Left

Overview of KYB Strut-Plus Suspension Strut SR4397

The KYB Strut-Plus SR4397 is a suspension strut and coil spring assembly designed specifically for Lexus and Toyota vehicles. This part is engineered to restore the original ride quality and handling characteristics of your Avalon, ES300h, or ES350 models.

• Complete suspension strut and coil spring assembly
• Compatible with Lexus Avalon, ES300h, and ES350
• Part number SR4397 for precise fitment
• Designed to maintain factory ride height and performance
• Includes KYB's Strut-Plus technology for reliable suspension function

About the KYB Strut-Plus Product Line

The Strut-Plus line from KYB offers a fully assembled suspension strut and coil spring unit, providing a direct replacement for worn or damaged components. This product line is designed to simplify installation and ensure consistent ride height and suspension performance. The SR4397 model benefits from this integrated design, making it suitable for Lexus and Toyota vehicles requiring a reliable suspension upgrade.

Detailed Product Description

The KYB Strut-Plus SR4397 combines a high-quality shock absorber with a coil spring in a single assembly, engineered to meet the specifications of Lexus Avalon, ES300h, and ES350 models. This suspension strut assembly is built to restore the vehicle's original handling and comfort by replacing worn or damaged components with a unit that maintains proper ride height and damping characteristics. The part number SR4397 ensures compatibility and fitment accuracy for these specific models, helping to maintain vehicle stability and control under various driving conditions.

Common Applications and Issues Addressed

• Restores suspension performance on Lexus Avalon, ES300h, and ES350
• Eliminates excessive bouncing or poor ride quality
• Corrects uneven tire wear caused by worn struts
• Improves vehicle handling and steering response
• Addresses noise or vibration from damaged suspension components

Installation Notes and Tips

Installation of the KYB Strut-Plus SR4397 should be performed by a qualified technician familiar with Lexus and Toyota suspension systems. Since this is a complete strut and coil spring assembly, it eliminates the need for spring compression during installation, reducing labor time and improving safety. Ensure proper torque specifications are followed and alignment is checked after installation to maintain optimal vehicle handling.

Quality Assurance and Warranty

KYB manufactures the Strut-Plus SR4397 to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided here, KYB products typically come with a limited warranty covering defects in materials and workmanship. Refer to KYB's official documentation for exact warranty terms applicable to this suspension strut assembly.