StrongArm 6503 Liftgate Lift Support

StrongArm Liftgate Lift Support for Hummer H2

The StrongArm 6503 liftgate lift support is designed specifically for the Hummer H2, providing reliable assistance when opening and holding the liftgate. Engineered with durable steel construction and precise dimensions, this lift support ensures smooth operation and consistent performance.

• Compressed length: 19.25 inches
• Extended length: 26.25 inches
• Stroke length: 7.0 inches
• Cylinder outside diameter: 22.0 mm
• Inner shaft diameter: 10.0 mm
• Ball socket (nylon) 10mm ends on both sides
• Outer cylinder color: black steel
• Maximum force: 160 lbs
• Materials include rubber and Teflon components for durability

Durable Construction and Precise Fitment

This StrongArm liftgate lift support (part number 6503) is built with a steel outer cylinder finished in black for corrosion resistance and long service life. The 22 mm cylinder diameter and 10 mm inner shaft diameter provide the strength needed to support the Hummer H2 liftgate reliably. Both ends feature 10 mm nylon ball sockets, ensuring secure attachment points and smooth pivoting action. The lift support operates over a 7-inch stroke length, extending from 19.25 inches compressed to 26.25 inches fully extended, matching the exact specifications required for the Hummer H2.

Purpose and Common Applications

• Supports the liftgate to prevent sudden closing or slamming
• Replaces worn or weak lift supports causing liftgate sagging
• Eliminates difficulty in opening or holding the liftgate open
• Restores smooth and controlled liftgate operation
• Prevents damage to liftgate hinges from improper support

Installation Notes and Tips

Installation of the StrongArm 6503 liftgate lift support is straightforward with the included ball socket ends designed for direct replacement on the Hummer H2. Ensure the liftgate is securely supported during removal of the old lift support to avoid injury. Align the ball sockets carefully to avoid binding and verify full extension and compression without obstruction. Lubrication of the ball sockets is generally not required due to the nylon construction but inspect for debris before installation.

Quality Assurance and Warranty

StrongArm lift supports are manufactured to meet OEM specifications for fit and function. The 6503 liftgate lift support undergoes quality control testing to ensure consistent force output and durability. While specific warranty details are not provided, StrongArm products typically come with a limited warranty against defects in materials and workmanship when installed according to guidelines.