KYB 554356 Shock Absorber - Front

Overview of KYB Gas-a-just Suspension Shock Absorber 554356

The KYB Gas-a-just shock absorber 554356 is engineered for reliable suspension performance on Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models. Designed to restore vehicle stability and control, this shock absorber features precise dimensions and mounting types tailored for these full-size vans.

• Compressed length: 9.72 inches
• Extended length: 14.21 inches
• Stroke length: 4.49 inches
• Lower mount type: E3 (51.6x87x15)
• Upper mount type: S1
• Includes dust cover for protection
• R-stop feature included for controlled rebound
• No internal rebound spring or B-stop

Detailed Product Description

This KYB Gas-a-just suspension shock absorber (part number 554356) is designed to meet the specific suspension requirements of Chevrolet Express 2500 and 3500, as well as GMC Savana 2500 and 3500 vans. The shock absorber’s compressed length of 9.72 inches and extended length of 14.21 inches provide a stroke length of 4.49 inches, ensuring smooth suspension travel and effective damping. The lower mount uses an E3 type with dimensions 51.6x87x15, 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 R-stop feature helps control rebound movement, improving ride stability under load and during braking.

About the KYB Gas-a-just Product Line

The Gas-a-just line from KYB is designed to provide consistent gas-charged damping performance for vehicles requiring reliable suspension components. This product line focuses on restoring original equipment ride quality and handling characteristics by using gas pressure to reduce aeration and foaming inside the shock absorber. The 554356 shock absorber is part of this line, offering a balance of comfort and control for Chevrolet and GMC full-size vans.

Common Applications and Problem Solving

• Reduces excessive bouncing and body roll on Chevrolet Express and GMC Savana vans
• Improves vehicle stability during cornering and braking
• Restores proper suspension travel and damping response
• Minimizes noise and vibration caused by worn shocks
• Protects suspension components from premature wear due to poor damping

Installation Notes and Tips

• Verify compatibility with Chevrolet Express 2500/3500 and GMC Savana 2500/3500 before installation
• Inspect mounting points for wear or damage prior to installation
• Use proper tools to avoid damage to the E3 lower mount and S1 upper mount
• Ensure dust cover is properly seated to protect internal components
• Follow vehicle manufacturer torque specifications for mounting hardware

Quality Assurance and Warranty

KYB manufactures the Gas-a-just shock absorbers to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details for part number 554356 should be confirmed with the supplier or manufacturer, KYB typically offers coverage against defects in materials and workmanship. This shock absorber is built to provide dependable service life when installed and maintained according to guidelines.