KYB 551600 Suspension Strut - Front

Overview of KYB Gas-a-just Suspension Strut 551600

The KYB Gas-a-just suspension strut 551600 is engineered for reliable performance on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models. Designed to restore original handling and ride quality, this strut offers precise fitment and durable construction for these specific vehicles.

• Compressed length: 12.4 inches
• Extended length: 15.51 inches
• Stroke length: 3.11 inches
• Lower mount type: E2 (16.5x51.5)
• Upper mount type: S1 (12mm)
• Includes dust cover for protection
• Equipped with B-stop and R-stop for controlled travel
• No internal rebound spring included

Detailed Product Description

This KYB Gas-a-just suspension strut, part number 551600, is designed to meet the exact specifications required for Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis vehicles. The strut features a compressed length of 12.4 inches and an extended length of 15.51 inches, providing a stroke length of 3.11 inches to ensure smooth suspension travel. The lower mount uses an E2 type with dimensions 16.5 by 51.5 mm, while the upper mount is an S1 type with a 12 mm diameter, ensuring proper fit and secure installation. A dust cover is included to protect the internal components from dirt and debris, extending the service life of the strut. Additionally, the strut incorporates both B-stop and R-stop features to limit suspension travel and prevent damage under extreme conditions. This model does not include an internal rebound spring, which is consistent with the original equipment design for these vehicles.

About the KYB Gas-a-just Product Line

The Gas-a-just line from KYB is designed to provide a direct replacement for factory-installed struts and shocks, maintaining the original ride height and handling characteristics. This product line uses gas-charged technology to improve damping performance and reduce fade, making it suitable for drivers seeking to restore their vehicle's suspension to its intended specifications. The 551600 strut is part of this line, offering a balance of durability and performance tailored for Ford, Lincoln, and Mercury full-size sedans.

Common Applications and Problem Solving

• Restores proper suspension travel and ride height on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis
• Eliminates excessive bouncing or bottoming out caused by worn struts
• Reduces noise and vibration from damaged or leaking suspension components
• Improves vehicle stability and handling during cornering and braking
• Prevents premature tire wear due to suspension misalignment

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Use appropriate tools to remove and install E2 lower and S1 upper mounts
• Inspect related suspension components such as mounts and bushings during replacement
• Ensure dust cover is properly seated to protect the strut shaft
• Follow manufacturer torque specifications for mounting hardware

Quality Assurance and Warranty

KYB Gas-a-just struts, including part number 551600, are manufactured to meet or exceed OEM standards for fit, form, and function. Each unit undergoes rigorous quality control to ensure durability and consistent performance. While specific warranty details may vary, KYB typically offers coverage against defects in materials and workmanship, providing confidence in the product's reliability for Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis owners.