KYB KG5486 Suspension Shock Absorber - Front

KYB Gas-a-just Shock Absorber

The KYB Gas-a-just shock absorber is a monotube suspension shock built for trucks and vehicles that carry loads, tow, or run larger wheels and tires. Part number KG5486 is engineered to deliver quicker response, more damping control, and consistent performance under demanding driving conditions.

Gas-a-just is KYB’s performance-focused shock line for drivers who want firmer control without giving up everyday ride quality. This design separates gas and oil in two working chambers, helping the shock react quickly and resist fade during repeated suspension movement.

Key Features

• Up to 25% more damping performance than original equipment shocks
• Monotube construction separates gas and oil for fade-free operation and instant response
• High-pressure nitrogen gas helps maintain consistent control during normal driving and load changes
• Components and valving are tuned for heavy-duty truck use
• Triple chrome plated piston rod helps reduce seal wear and fluid leakage
• Improves steering response through higher gas pressure and faster reaction
• Supports electronic safety systems by helping the suspension operate as the vehicle manufacturer intended

Detailed Description

KYB KG5486 uses an air-free hydraulic piston and valve area for control, plus a separate high-pressure gas chamber with a floating piston for added responsiveness. That monotube layout helps the shock adjust automatically to changing road and load conditions, making it a practical choice for truck suspension service where stability matters. This part cross-references Monroe Shocks & Struts (e.g., 34791) for the same application. For buyers searching for a KYB Gas-a-just shock absorber for truck suspension, KG5486 is built around performance control rather than soft ride tuning.

Compatible With vehicle applications in the same fitment family, this shock absorber is a strong match for drivers looking for a KYB shock replacement that addresses body motion, steering feel, and suspension fade. If you are comparing KYB KG5486 for truck suspension repair, the monotube design is the key difference from many twin-tube OE-style shocks.

What It Helps Address

• Excessive bounce after bumps or dips
• Reduced control when towing or carrying heavier loads
• Soft or delayed steering response
• Shock fade during repeated suspension movement
• Wear concerns related to leaking or worn piston seals

Installation Notes and Tips

Verify compressed length, extended length, stroke length, and mount types before installation. KG5486 measures 16.57 inches compressed, 27.28 inches extended, with 10.71 inches of stroke, and uses lower mount type E1 with upper mount type E2 (12x38). Confirm the vehicle’s suspension position and mounting style against the original shock before replacement. For best results, inspect related suspension components such as bushings, mounts, and tires during service.

Fits 2006-2011 Honda Civic, front; fits 2006-2011 Honda Civic, rear; fits 2006-2011 Honda Civic, front right; fits 2006-2011 Honda Civic, front left.

Quality Assurance

KYB is a recognized suspension manufacturer with OE-level engineering focus, and the Gas-a-just line is built to deliver controlled damping for demanding truck and passenger vehicle use. Part number KG5486 is manufactured to support consistent suspension performance and long-term serviceability.