KYB KG54339 Shock Absorber - Front

Overview of KYB Gas-a-just Suspension Shock Absorber KG54339

The KYB Gas-a-just shock absorber KG54339 is engineered to provide reliable suspension performance for Chevrolet and GMC trucks. Designed specifically for models like the Silverado 1500 and Sierra 2500, this shock absorber helps maintain vehicle stability and control under various driving conditions.

• Compressed length: 10.23 inches
• Extended length: 14.96 inches
• Stroke length: 4.72 inches
• Lower mount type: E3 (51.6x87x14)
• Upper mount type: S1
• Includes dust cover for added protection
• R-stop feature included for controlled rebound

Detailed Product Features and Specifications

The KYB Gas-a-just KG54339 shock absorber features a precise compressed length of 10.23 inches and an extended length of 14.96 inches, providing a stroke length of 4.72 inches. This range supports effective suspension travel for heavy-duty trucks. The lower mount uses an E3 type with dimensions 51.6x87x14, while the upper mount is an S1 type, ensuring proper fitment and secure installation. A dust cover is included to protect the internal components from dirt and debris, extending the service life of the shock absorber. The internal rebound spring is not present, but the R-stop feature is included to help control rebound movement, improving ride quality and vehicle handling.

About the Gas-a-just Product Line

The KYB Gas-a-just line is designed to deliver consistent damping performance by using pressurized nitrogen gas to reduce aeration and foaming inside the shock absorber. This technology helps maintain stable handling and ride comfort for trucks like the Chevrolet Silverado 1500 Classic and GMC Sierra 2500. The Gas-a-just shocks are engineered to meet or exceed original equipment specifications, making them suitable replacements for factory shocks on compatible vehicles.

Compatible Vehicles and Applications

• Chevrolet Silverado 1500, 1500 Classic, and 1500 HD
• Chevrolet Silverado 2500
• Chevrolet Suburban 2500
• GMC Sierra 1500, 1500 Classic, 1500 HD, and 2500
• GMC Yukon XL 2500

Common Suspension Issues Addressed

• Reduced vehicle stability and control during braking or cornering
• Excessive body roll or sway on rough or uneven roads
• Worn or leaking factory shock absorbers causing poor ride quality
• Increased suspension noise or harshness
• Uneven tire wear due to improper damping

Installation Notes and Tips

When installing the KYB Gas-a-just KG54339 shock absorber, ensure the vehicle is securely lifted and supported. Verify the correct orientation of the upper S1 mount and lower E3 mount for proper fitment. The included dust cover should be inspected for damage and positioned correctly to protect the shock shaft. It is recommended to replace shocks in pairs to maintain balanced suspension performance. Torque all mounting hardware to manufacturer specifications.

Quality Assurance and Warranty

KYB manufactures the Gas-a-just KG54339 shock absorber to meet strict quality standards, ensuring durability and consistent performance. This part is designed to match or exceed original equipment specifications for Chevrolet and GMC trucks. Warranty coverage details should be confirmed with the product documentation or manufacturer.