KYB 554347 Shock Absorber - Front

Overview of KYB Gas-a-just Suspension Shock Absorber 554347

The KYB Gas-a-just shock absorber 554347 is engineered for Ford F-250 Super Duty and F-350 Super Duty trucks. Designed to restore original ride quality, this suspension shock absorber offers precise damping performance tailored to heavy-duty applications.

• Compressed length: 13.39 inches
• Extended length: 20.71 inches
• Stroke length: 7.32 inches
• Lower mount type: E2 (14.6x42)
• Upper mount type: S1 (12mm)
• Includes dust cover for protection
• R-stop included for controlled rebound
• No internal rebound spring or B-stop

Features of the Gas-a-just Shock Absorber Line

The KYB Gas-a-just product line focuses on gas-charged shock absorbers designed to improve vehicle handling and stability. This line provides consistent damping performance by using pressurized nitrogen gas to reduce aeration and foaming inside the shock. The Gas-a-just shocks are engineered to meet or exceed OEM specifications, making them suitable for Ford Super Duty trucks requiring reliable suspension components.

Detailed Product Description

This KYB Gas-a-just shock absorber (part number 554347) features a compressed length of 13.39 inches and an extended length of 20.71 inches, providing a stroke length of 7.32 inches. The lower mount uses an E2 style with dimensions 14.6x42 mm, while the upper mount is an S1 type with a 12mm diameter. A dust cover is included to protect the shock shaft from debris and extend service life. The shock absorber incorporates an R-stop to control rebound travel, but it does not include an internal rebound spring or B-stop. These specifications ensure compatibility and performance for Ford F-250 Super Duty and F-350 Super Duty models.

Common Applications and Problem Solving

• Restores suspension control and ride comfort on Ford F-250 and F-350 Super Duty trucks
• Reduces excessive bouncing and body roll during heavy load or towing conditions
• Improves vehicle stability on uneven or rough terrain
• Addresses worn or leaking OEM shock absorbers causing poor handling
• Prevents premature tire wear due to suspension issues

Installation Notes and Tips

When installing the KYB Gas-a-just shock absorber 554347, ensure the correct orientation of the upper and lower mounts according to the vehicle’s suspension design. Verify that the dust cover is properly seated to protect the shock shaft. It is recommended to replace shocks in pairs to maintain balanced suspension performance. Use appropriate tools to avoid damage to mounting points and torque fasteners to manufacturer specifications.

Quality Assurance and Warranty

KYB manufactures the Gas-a-just shock absorbers to meet strict quality standards, ensuring durability and consistent performance. This part number 554347 is designed to match OEM fit and function for Ford F-250 Super Duty and F-350 Super Duty trucks. KYB typically offers a limited warranty on their shock absorbers; please refer to KYB’s official warranty documentation for specific coverage details.