KYB 554389 Shock Absorber - Rear

Overview of KYB Gas-a-just Suspension Shock Absorber 554389

The KYB Gas-a-just shock absorber 554389 is engineered for heavy-duty trucks like the Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD. Designed to restore original ride quality, this suspension shock absorber offers precise damping performance tailored to your vehicle's specifications.

• Compressed length: 16.14 inches
• Extended length: 25.31 inches
• Stroke length: 9.17 inches
• Lower and upper mount type: E2 (14.6x42)
• Includes dust cover for protection
• No internal rebound spring, B-stop, or R-stop

Detailed Product Description

The KYB Gas-a-just 554389 shock absorber is designed specifically for Chevrolet and GMC heavy-duty trucks, including the Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD models. With a compressed length of 16.14 inches and an extended length of 25.31 inches, it provides a stroke length of 9.17 inches, ensuring optimal suspension travel and control. Both the upper and lower mounts use the E2 (14.6x42) type, which matches factory specifications for secure installation. The included dust cover helps protect the shock shaft from dirt and debris, extending the service life of the component. This shock absorber does not feature an internal rebound spring or bump stops (B-stop and R-stop), focusing on consistent gas-charged damping performance.

About the Gas-a-just Product Line

KYB's Gas-a-just line is designed to deliver reliable gas-charged shock absorbers that restore the original handling and control of your vehicle. This product line emphasizes precise damping and durability, making it suitable for heavy-duty trucks like the Chevrolet Silverado and GMC Sierra HD series. The Gas-a-just shocks are engineered to meet or exceed OEM specifications, providing consistent performance under demanding conditions.

Common Applications and Problem Solving

• Restores factory ride quality and handling on Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD
• Reduces excessive bouncing and body roll during heavy loads or towing
• Improves vehicle stability on rough or uneven terrain
• Eliminates noise and vibration caused by worn or damaged shocks
• Prevents premature tire wear due to poor suspension control

Installation Notes and Tips

• Compatible with Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models
• Ensure the E2 (14.6x42) upper and lower mounts align correctly during installation
• Inspect mounting hardware and replace if worn or damaged
• Use proper tools to avoid damage to the dust cover during installation
• Check suspension alignment after installation for optimal performance

Quality Assurance and Warranty

KYB manufactures the Gas-a-just 554389 shock absorber to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details are not provided here, KYB typically offers a limited warranty covering defects in materials and workmanship. Refer to KYB's official documentation for complete warranty information.