KYB KG5781 Suspension Shock Absorber - Front

Overview of KYB Gas-a-just Suspension Shock Absorber KG5781

The KYB Gas-a-just shock absorber KG5781 is engineered for reliable suspension performance on Chevrolet, GMC, and Isuzu trucks. Designed to restore factory ride quality, this shock absorber is compatible with models including the Chevrolet Colorado, GMC Canyon, and Isuzu i-350 and i-370.

• Compressed length: 9.76 inches
• Extended length: 14.41 inches
• Stroke length: 4.65 inches
• Lower mount type: E2 (12x27)
• Upper mount type: S1
• Includes dust cover for protection
• R-stop feature included for controlled rebound

About the KYB Gas-a-just Product Line

The Gas-a-just line from KYB offers gas-charged shock absorbers designed to provide consistent damping performance and improved vehicle control. This product line focuses on maintaining the original ride height and handling characteristics of your vehicle, making it suitable for daily driving and light-duty applications. The KG5781 shock absorber is part of this line, ensuring compatibility and performance tailored to Chevrolet Colorado, GMC Canyon, and Isuzu i-350/i-370 models.

Technical Details and Features

The KG5781 shock absorber features a compressed length of 9.76 inches and an extended length of 14.41 inches, providing a stroke length of 4.65 inches. The lower mount uses an E2 (12x27) configuration, while the upper mount is type S1, ensuring proper fitment and secure installation. A dust cover is included to protect the internal components from dirt and debris, extending the service life of the shock. The internal design incorporates an R-stop to control rebound travel, enhancing ride stability. Note that this model does not include an internal rebound spring or B-stop.

Common Applications and Problem Solving

• Restores suspension performance on Chevrolet Colorado and GMC Canyon trucks
• Improves ride comfort and handling on Isuzu i-350 and i-370 models
• Addresses excessive bouncing or poor shock absorption
• Reduces vehicle sway and body roll during cornering
• Mitigates noise and vibration caused by worn shocks

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before removing the old shock absorber. Verify the mount types (E2 lower and S1 upper) match the vehicle’s mounting points. The included dust cover should be positioned correctly to protect the shock shaft. It is recommended to replace shocks in pairs to maintain balanced suspension performance. No internal rebound spring or B-stop is present, so handle the shock carefully during installation to avoid damage.

Quality Assurance and Warranty

KYB Gas-a-just shock absorbers are manufactured to meet or exceed OEM specifications for durability and performance. The KG5781 part number undergoes rigorous quality control to ensure consistent operation. While specific warranty details are not provided here, KYB typically offers a limited warranty covering defects in materials and workmanship. Consult KYB or your supplier for exact warranty terms.