KYB KG5421 Shock Absorber - Rear

Overview of KYB Gas-a-just Suspension Shock Absorber KG5421

The KYB Gas-a-just shock absorber KG5421 is engineered for reliable suspension performance on Ford trucks and vans. Designed to restore vehicle stability and control, this shock absorber is compatible with various Ford E-Series Econoline and F-Series models.

• Compressed length: 14.37 inches
• Extended length: 23.11 inches
• Stroke length: 8.74 inches
• Lower mount type: E2 (12.8x38)
• Upper mount type: S1
• Includes dust cover for protection
• R-stop feature included, no internal rebound spring or B-stop

Detailed Product Description

The KYB Gas-a-just KG5421 suspension shock absorber is designed to provide consistent damping performance for Ford vehicles including the E-250 Econoline, E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, and F-Series trucks such as the F-100, F-150, F-250, and F-350. With a compressed length of 14.37 inches and an extended length of 23.11 inches, this shock absorber offers an 8.74-inch stroke length, ensuring smooth suspension travel and improved ride quality.

The lower mount uses an E2 type (12.8x38) fitting, while the upper mount is an S1 type, providing secure and precise installation. The inclusion of a dust cover helps protect the shock absorber from dirt and debris, extending its service life. The R-stop feature is incorporated to prevent over-extension, enhancing durability under demanding driving conditions. This model does not include an internal rebound spring or B-stop.

About the KYB Gas-a-just Product Line

The Gas-a-just line from KYB is designed to deliver reliable gas-charged shock absorbers that maintain consistent damping performance over time. This product line focuses on restoring factory ride and handling characteristics, making it suitable for Ford trucks and vans that require dependable suspension components. The KG5421 shock absorber is part of this line, offering a balance of durability and performance for heavy-duty applications.

Common Applications and Problem Solving

• Restores vehicle stability and control on Ford E-250 and E-350 Econoline vans
• Improves ride comfort and handling on Ford F-100 through F-350 trucks
• Reduces excessive bouncing and body roll during driving
• Addresses worn or leaking original shock absorbers
• Prevents suspension bottoming out and over-extension with R-stop feature

Installation Notes and Tips

• Verify compatibility with your specific Ford model and year before installation
• Ensure the lower mount (E2 12.8x38) and upper mount (S1) match your vehicle’s mounting points
• Inspect mounting hardware and replace if worn or damaged
• Use proper tools to avoid damage to the shock absorber during installation
• Check for proper shock absorber stroke and clearance after installation

Quality Assurance and Warranty

KYB manufactures the Gas-a-just KG5421 shock absorber to meet strict quality standards for durability and performance. The product includes a dust cover to protect internal components and features an R-stop to prevent over-extension damage. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region.