KYB KG54309 Suspension Shock Absorber - Front

Reliable Suspension Shock Absorber for Ford, Mazda, and Mercury Vehicles

The KYB Gas-a-just KG54309 suspension shock absorber is engineered to restore your vehicle's ride quality and handling. Designed specifically for select Ford, Mazda, and Mercury models, this shock absorber offers precise damping performance to improve driving stability and comfort.

• Compressed length: 13.58 inches
• Extended length: 18.07 inches
• Stroke length: 4.49 inches
• Lower mount type: E3 (53.6x78x20)
• Upper mount type: S1
• Includes dust cover for added protection
• R-stop feature included for controlled rebound

About the KYB Gas-a-just Product Line

The Gas-a-just line from KYB is designed to provide consistent gas-charged shock absorbers that maintain vehicle stability and control. This product line focuses on delivering reliable damping performance with features such as dust covers and rebound stops to protect internal components and enhance shock absorber longevity. The KG54309 model is part of this line, offering tailored fitment and specifications for improved suspension response.

Technical Details and Vehicle Compatibility

The KG54309 shock absorber features a compressed length of 13.58 inches and an extended length of 18.07 inches, with a stroke length of 4.49 inches, ensuring proper suspension travel for compatible vehicles. The lower mount uses an E3 type with dimensions 53.6x78x20, while the upper mount is an S1 type, providing secure attachment points. The included dust cover helps protect the shock shaft from debris, and the R-stop feature controls rebound movement for smoother operation. This shock absorber is compatible with Ford B3000, B4000, Explorer, Explorer Sport, Explorer Sport Trac, Mountaineer, and Ranger models, as well as select Mazda and Mercury vehicles.

Common Suspension Issues Addressed

• Reduced vehicle stability and poor handling
• Excessive bouncing or harsh ride quality
• Uneven tire wear due to worn shocks
• Increased stopping distances from compromised suspension
• Noise or vibration from damaged shock absorbers

Installation Notes and Tips

When installing the KYB Gas-a-just KG54309 shock absorber, ensure the vehicle is securely lifted and supported. Verify the correct orientation of the upper S1 and lower E3 mounts before tightening. Inspect mounting points for wear or damage and replace hardware if necessary. The included dust cover should be positioned properly to protect the shock shaft. It is recommended to replace shocks in pairs to maintain balanced suspension performance.

Quality Assurance and Warranty

KYB manufactures the Gas-a-just KG54309 shock absorber to meet or exceed OEM specifications, ensuring reliable performance and durability. This part undergoes rigorous quality control testing to maintain consistent damping characteristics. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.