KYB KG5555 Shock Absorber - Rear

Overview of KYB Gas-a-just Suspension Shock Absorber KG5555

The KYB Gas-a-just KG5555 suspension shock absorber is engineered for reliable performance on select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed to restore original handling and ride quality, this shock absorber is a direct replacement part tailored for vehicles such as the Buick Century, Chevrolet Celebrity, and Pontiac Skylark.

• Compressed length: 14.17 inches
• Extended length: 21.06 inches
• Stroke length: 6.89 inches
• Lower mount type: E2 (10x40)
• Upper mount type: S1
• Includes dust cover for protection
• Equipped with B-stop for controlled compression
• No internal rebound spring
• Part number: KG5555

Details on KYB Gas-a-just Product Line

The Gas-a-just line from KYB focuses on gas-charged shock absorbers that provide consistent damping performance and improved vehicle control. This product line is designed to maintain factory ride height and deliver a smooth ride by reducing body roll and improving stability. The KG5555 shock absorber benefits from this technology, making it suitable for restoring suspension performance on compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.

Technical Description and Specifications

The KYB KG5555 shock absorber features a compressed length of 14.17 inches and an extended length of 21.06 inches, providing a stroke length of 6.89 inches. It uses an E2 (10x40) lower mount and an S1 upper mount, ensuring proper fitment and secure installation. The inclusion of a dust cover helps protect the piston rod from debris and extends the service life of the shock. The B-stop feature controls compression travel to prevent damage under heavy loads or rough road conditions. This shock absorber does not include an internal rebound spring, which is typical for this design and application.

Compatible Vehicles and Applications

• Buick Century, Skylark, and Regal models
• Chevrolet Celebrity, Citation, Citation II, Lumina APV, and Silhouette
• Oldsmobile Cutlass Ciera, Cutlass Cruiser, Omega, and Phoenix
• Pontiac Trans Sport and other listed models

Common Suspension Issues Addressed

• Excessive body bounce and poor ride comfort
• Reduced vehicle stability during cornering
• Uneven tire wear caused by worn shocks
• Noise or clunking from damaged suspension components
• Loss of control on rough or uneven road surfaces

Installation Notes and Tips

• Verify vehicle compatibility with the KG5555 part number before installation
• Inspect mounting points and hardware for wear or damage
• Use proper tools to avoid damaging mounts or shock components
• Replace shocks in pairs for balanced suspension performance
• Follow manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

KYB Gas-a-just shock absorbers are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The KG5555 part undergoes rigorous quality control testing to maintain consistent damping characteristics. Warranty coverage details should be confirmed with the product documentation or supplier.