KYB 551128 Suspension Strut - Front Right

Overview of KYB Gas-a-just Suspension Strut 551128

The KYB Gas-a-just suspension strut 551128 is engineered for Lexus GS300 and GS350 models, providing reliable damping performance. Designed to maintain vehicle stability and ride comfort, this strut is a direct replacement part tailored to specific suspension needs.

• Compressed length: 13.45 inches
• Extended length: 16.94 inches
• Stroke length: 3.49 inches
• Upper mount type: 12x1.25 thread
• Internal rebound spring included
• R-stop feature present
• No dust cover or B-stop included

Features and Specifications of KYB Gas-a-just 551128

The KYB Gas-a-just line is designed to provide consistent gas pressure for improved shock absorption and vehicle control. This suspension strut 551128 features an internal rebound spring that helps maintain damping force during suspension travel, enhancing ride quality on Lexus GS300 and GS350 vehicles. The strut’s 12x1.25 upper mount thread ensures proper fitment and secure installation. With a stroke length of 3.49 inches, it offers precise suspension movement, while the R-stop feature prevents overextension, protecting suspension components.

Application and Problem Solving

This KYB Gas-a-just suspension strut 551128 is compatible with Lexus GS300 and GS350 models, making it suitable for drivers seeking to restore or improve their vehicle’s suspension system. It addresses common suspension issues such as:

• Reduced ride comfort due to worn shocks
• Excessive body roll during cornering
• Uneven tire wear caused by poor damping
• Noise or vibration from faulty struts
• Loss of vehicle stability on rough roads

Installation Notes and Tips

When installing the KYB Gas-a-just suspension strut 551128, ensure the upper mount thread size (12x1.25) matches the vehicle’s specifications. Since this strut does not include a dust cover, inspect the existing dust boot for wear and replace if necessary to protect the strut shaft. Proper torque settings should be followed to secure the strut and maintain suspension integrity. It is recommended to have alignment checked after installation to ensure optimal handling.

Quality Assurance and Warranty

KYB suspension components, including the Gas-a-just 551128 strut, are manufactured to meet OEM standards for durability and performance. The internal rebound spring and R-stop features contribute to the product’s reliability over time. While specific warranty details are not provided here, KYB typically offers coverage against defects in materials and workmanship. Refer to KYB’s official documentation for exact warranty terms.