StrongArm 6289 Door Lift Support - Rear

StrongArm Door Lift Support for Hummer H3

The StrongArm 6289 door lift support is engineered specifically for the Hummer H3, providing reliable assistance in door operation. Designed with durable steel construction and precise dimensions, this door lift support ensures smooth and controlled door movement.

• Compressed length: 16.0 inches
• Extended length: 25.0 inches
• Stroke length: 9.0 inches
• Cylinder outside diameter: 18.0 mm
• Inner shaft diameter: 8.0 mm
• Steel ball socket ends, 10mm size on both sides
• Maximum force capacity: 56.0 lbs
• Outer cylinder color: Black
• Outer cylinder material: Steel
• Specific fit for Hummer H3 models

Durable Construction and Precise Fitment

The StrongArm 6289 door lift support is built with a robust steel outer cylinder finished in black for corrosion resistance and longevity. Its 18.0 mm cylinder diameter and 8.0 mm inner shaft diameter provide the strength needed to support the door weight effectively. The 10mm steel ball socket ends on both sides ensure secure attachment points, reducing wear and maintaining smooth operation. With a stroke length of 9.0 inches and a maximum force of 56 lbs, this lift support offers consistent performance tailored to the Hummer H3's door specifications.

Purpose and Problem Solving

• Assists in smooth opening and closing of Hummer H3 doors
• Prevents door slamming and sudden drops
• Reduces strain on door hinges and related components
• Eliminates door sagging caused by worn or weak supports
• Maintains proper door alignment and operation

Installation Notes and Tips

Installation of the StrongArm 6289 door lift support requires matching the ball socket ends to the existing mounting points on the Hummer H3 door and frame. Ensure the compressed and extended lengths correspond to the original part to maintain proper door function. Use appropriate tools to avoid damage to the ball sockets during installation. It is recommended to replace lift supports in pairs to ensure balanced door operation.

Quality Assurance and Warranty

StrongArm door lift supports are manufactured to meet OEM specifications for fit and function. The steel construction and precise engineering contribute to reliable performance and durability. While specific warranty details are not provided, StrongArm products typically adhere to industry standards for quality and longevity.