KYB 551127 Suspension Strut - Front Left

Overview of KYB Gas-a-just Suspension Strut 551127

The KYB Gas-a-just suspension strut 551127 is designed specifically for Lexus IS250 and IS350 models. This strut offers precise damping control with a focus on maintaining factory ride quality and handling characteristics.

• Compressed Length: 13.24 inches
• Extended Length: 17.2 inches
• Stroke Length: 3.96 inches
• Upper Mount Type: 12x1.25
• Right Stop (R-stop) included
• No dust cover or internal rebound spring

About the KYB Gas-a-just Product Line

The Gas-a-just line from KYB is engineered to provide a direct replacement for original equipment suspension struts. It uses gas-charged technology to improve vehicle stability and control without altering the original suspension geometry. This product line is tailored to maintain the ride comfort and handling balance expected from Lexus vehicles like the IS250 and IS350.

Detailed Product Description

The KYB Gas-a-just suspension strut 551127 features a compressed length of 13.24 inches and an extended length of 17.2 inches, providing a stroke length of 3.96 inches. The upper mount thread size is 12x1.25, ensuring proper fitment with the vehicle’s suspension components. This strut includes a right stop (R-stop) but does not come with a dust cover or internal rebound spring, which aligns with the original equipment design for these Lexus models. The gas-charged design helps reduce foaming and maintains consistent damping performance under various driving conditions.

Common Applications and Problem Solving

• Restores proper suspension travel and damping for Lexus IS250 and IS350
• Addresses issues with worn or leaking original struts
• Improves vehicle stability and handling response
• Reduces excessive body roll and front-end dive during braking
• Eliminates noise and vibration caused by damaged struts

Installation Notes and Tips

• Compatible with Lexus IS250 and IS350 models; verify part number 551127 before installation
• Ensure upper mount thread size 12x1.25 matches vehicle specifications
• Professional installation recommended due to suspension component complexity
• Inspect related suspension parts such as mounts and bushings during replacement
• Proper torque specifications should be followed to maintain safety and performance

Quality Assurance and Warranty

KYB suspension struts, including the Gas-a-just 551127, are manufactured to meet or exceed OEM standards. While specific warranty details are not provided here, KYB typically offers limited warranties covering defects in materials and workmanship. Refer to KYB’s official documentation for exact warranty terms.