KYB 551125 Suspension Strut - Front

Overview of KYB Gas-a-just Suspension Strut 551125

The KYB Gas-a-just Suspension Strut 551125 is engineered for Toyota Tundra models, providing reliable shock absorption and improved ride quality. Designed to meet OEM specifications, this strut ensures consistent performance and durability for your vehicle's suspension system.

• Compressed length: 18.18 inches
• Extended length: 23.54 inches
• Stroke length: 5.36 inches
• Lower mount type: E2(16x40)
• Upper mount type: S1(12mm)
• Includes dust cover for protection
• R-stop feature included for controlled rebound
• No internal rebound spring or B-stop

Details on KYB Gas-a-just Product Line

The Gas-a-just line by KYB focuses on gas-charged struts designed to restore original handling and control. This product line offers a balance between comfort and performance, making it suitable for Toyota Tundra owners seeking a direct replacement suspension strut that maintains factory ride characteristics. The 551125 part number is part of this line, ensuring compatibility and quality consistent with KYB standards.

Technical Description of the 551125 Suspension Strut

This suspension strut features a compressed length of 18.18 inches and an extended length of 23.54 inches, providing a stroke length of 5.36 inches to accommodate suspension travel. The lower mount uses an E2(16x40) configuration, while the upper mount is an S1(12mm) type, ensuring proper fitment on the Toyota Tundra. The inclusion of a dust cover helps protect internal components from debris and wear. The strut incorporates an R-stop to control rebound movement, but does not include an internal rebound spring or B-stop, which aligns with the original equipment design.

Common Applications and Problem Solving

• Restores proper suspension travel and damping on Toyota Tundra models
• Addresses issues with worn or leaking struts causing poor ride quality
• Improves vehicle stability and handling during acceleration and braking
• Reduces excessive bouncing and vibration over uneven terrain
• Prevents premature tire wear related to suspension faults

Installation Notes and Tips

Installation of the KYB Gas-a-just 551125 suspension strut requires proper tools and safety precautions. Ensure the vehicle is securely lifted and supported before removing the old strut. Verify the lower and upper mount types (E2(16x40) and S1(12mm)) match the vehicle’s mounting points. The included dust cover should be inspected and positioned correctly during installation to protect the strut shaft. It is recommended to have wheel alignment performed after installation to maintain proper handling characteristics.

Quality Assurance and Warranty

KYB suspension components, including the Gas-a-just 551125 strut, are manufactured to meet or exceed OEM standards. This part undergoes rigorous testing to ensure durability and consistent performance. While specific warranty details are not provided here, KYB typically offers limited warranties on their suspension products. Consult KYB or authorized distributors for exact warranty terms related to this part number.