StrongArm 4290 Liftgate Lift Support

StrongArm Liftgate Lift Support for Dodge Durango

The StrongArm 4290 liftgate lift support is engineered specifically for Dodge Durango models, providing reliable assistance in opening and holding the rear liftgate. Designed with durable steel construction and precise dimensions, this lift support ensures smooth operation and long-lasting performance.

• Compressed length: 16.48 inches
• Extended length: 23.8 inches
• Cylinder outside diameter: 19.0 mm
• Stroke length: 7.32 inches
• Inner shaft diameter: 8.0 mm
• Outer cylinder material: steel with black finish
• End fittings: captive ball with nylon socket on both ends
• Maximum force: 137 lbs
• Materials include rubber and Teflon components for smooth operation

Durable Construction and Precise Fitment

The StrongArm 4290 liftgate lift support is built with a steel outer cylinder finished in black for corrosion resistance and durability. Its captive ball ends with nylon sockets provide secure attachment points that reduce wear and noise. The lift support’s specific fitment for Dodge Durango models ensures proper length and force to support the liftgate weight effectively. With a stroke length of 7.32 inches and a maximum force rating of 137 pounds, this part offers consistent lift assistance without internal rebound springs, relying on robust materials like rubber and Teflon to maintain smooth movement.

Common Applications and Problem Resolution

• Supports the liftgate to prevent sudden closing or slamming
• Replaces worn or weak lift supports causing difficulty in opening
• Eliminates liftgate sagging or uneven movement
• Reduces noise and vibration during liftgate operation
• Restores proper liftgate balance and safety

Installation Notes and Tips

Installation of the StrongArm 4290 liftgate lift support requires removal of the old lift support by detaching the captive ball ends carefully to avoid damage. Ensure the replacement part matches the compressed and extended lengths for your Dodge Durango. Lubricate the nylon sockets if necessary to maintain smooth pivoting. Use appropriate tools to snap the captive ball ends securely into place. Verify liftgate operation after installation to confirm proper support and alignment.

Quality Assurance and Warranty

StrongArm lift supports are manufactured to meet OEM specifications for fit and function. The 4290 liftgate lift support undergoes quality checks to ensure durability and consistent performance. While specific warranty details may vary, StrongArm products typically include coverage against manufacturing defects. Consult product documentation or supplier information for exact warranty terms.