KYB 554362 Suspension Shock Absorber - Rear

KYB Gas-a-Just Shock Absorber 554362

The KYB Gas-a-Just 554362 is a monotube suspension shock absorber built for trucks and other vehicles that carry heavier loads, tow, or run larger wheels and tires. Its high-pressure gas design separates oil and gas for consistent damping, quick response, and reduced fade during demanding driving.

Key Features

• Up to 25% more damping performance than original equipment shocks
• Monotube construction with separate gas and oil chambers for fade-free operation
• High-pressure nitrogen gas provides instant response and improved steering feel
• Valving and components are engineered for heavy-duty truck use
• Triple chrome plated piston rod helps reduce seal wear and fluid leakage
• Dust cover included for added protection

Product Details

Gas-a-Just is KYB’s performance-oriented shock line for drivers who need firmer control without giving up normal-road comfort. The monotube layout uses an air-free hydraulic working area for responsiveness and a separate gas chamber with a floating piston to maintain consistent damping as conditions change. This makes the KYB Gas-a-Just 554362 a practical choice for truck suspension service where load control, steering response, and stability matter. This part cross-references Monroe Shocks & Struts 65174 for the same application.

Vehicle fitment is application-specific. Compatible With Ford truck applications that use this shock configuration, including Ford part numbers 5C3Z18125DA and BC3Z18125G. The KYB 554362 is also cross-referenced to Gabriel 77623 for the same application.

Common Problems This Shock Can Address

• Excessive bounce after bumps or dips
• Reduced steering response from worn suspension damping
• Shock fade during towing or heavy-duty use
• Fluid leakage caused by seal wear
• Instability from larger, heavier tires and wheels

Installation Notes and Tips

Verify compressed length, extended length, stroke length, and mount style before installation. For this part, the lower mount type is E2(12X38) and the upper mount type is E1. Confirm the shock position and vehicle application against the original unit before replacement. Professional installation and a suspension inspection are recommended whenever shocks are replaced.

Quality Assurance

KYB designs Gas-a-Just shocks for demanding suspension service with monotube construction, high-pressure gas separation, and a chrome piston rod to support consistent operation and reduced seal wear. The 554362 is built to maintain damping performance under load and help electronic safety systems operate as the vehicle manufacturer intended.