KYB 554363 Shock Absorber - Rear

Overview of KYB Gas-a-just Suspension Shock Absorber 554363

The KYB Gas-a-just suspension shock absorber 554363 is engineered for Ford F-350 Super Duty trucks requiring reliable and consistent damping performance. Designed to restore original ride quality, this shock absorber offers precise control over suspension movement for improved handling and comfort.

• Compressed length: 15.74 inches
• Extended length: 25.47 inches
• Stroke length: 9.73 inches
• Lower mount type: E2 (12x38)
• Upper mount type: E1
• Includes dust cover for protection
• No internal rebound spring
• No B-stop or R-stop features

Detailed Product Features and Specifications

This KYB Gas-a-just shock absorber (part number 554363) is specifically designed for the Ford F-350 Super Duty, ensuring compatibility and optimal performance. The shock features a compressed length of 15.74 inches and an extended length of 25.47 inches, providing a stroke length of 9.73 inches to accommodate suspension travel. The lower mount uses an E2 (12x38) configuration, while the upper mount is an E1 type, matching the factory mounting points for straightforward installation. A dust cover is included to protect the piston rod from dirt and debris, extending the service life of the shock absorber. This model does not include an internal rebound spring or bump stops (B-stop and R-stop), focusing on consistent gas-charged damping for smooth ride control.

About the KYB Gas-a-just Product Line

The Gas-a-just line from KYB is designed to provide a direct replacement for original equipment shocks and struts with gas-charged technology. This product line emphasizes restoring the vehicle's original handling characteristics by controlling suspension movement more effectively than traditional hydraulic shocks. The 554363 shock absorber fits within this line, offering a balance of ride comfort and control tailored for heavy-duty trucks like the Ford F-350 Super Duty.

Common Applications and Problem Solving

• Reduces excessive body roll and sway during cornering
• Improves ride comfort over rough or uneven terrain
• Restores suspension travel control after shock wear
• Minimizes bottoming out and harsh impacts
• Enhances vehicle stability under heavy load conditions

Installation Notes and Tips

When installing the KYB Gas-a-just shock absorber 554363 on a Ford F-350 Super Duty, ensure the vehicle is securely lifted and supported. Verify that the upper and lower mounts (E1 and E2 respectively) align correctly with the vehicle’s mounting points. The included dust cover should be inspected for proper placement to protect the piston rod. It is recommended to replace shocks in pairs to maintain balanced suspension performance. No special tools are required beyond standard suspension service equipment.

Quality Assurance and Warranty

KYB manufactures the Gas-a-just shock absorbers to meet or exceed OEM specifications, ensuring durability and consistent performance. The part number 554363 undergoes rigorous quality control testing to maintain reliability under demanding conditions. While specific warranty details are not provided here, KYB typically offers a limited warranty covering defects in materials and workmanship. Consult KYB or authorized distributors for exact warranty terms.