StrongArm 4590 Liftgate Lift Support

StrongArm Liftgate Lift Support for Toyota Sienna

The StrongArm 4590 liftgate lift support is engineered specifically for Toyota Sienna models, providing reliable and consistent performance. Designed to replace worn or failing lift supports, this part ensures smooth and controlled liftgate operation.

• Compressed length: 16.31 inches
• Extended length: 25.06 inches
• Cylinder outside diameter: 22.0 mm
• Stroke length: 8.75 inches
• Inner shaft diameter: 8.0 mm
• End fittings: 10mm nylon ball sockets on both ends
• Outer cylinder made of durable black steel
• Maximum force rating: 137 lbs
• Materials include rubber and Teflon components for smooth movement

Technical Details and Compatibility

This StrongArm liftgate lift support (part number 4590) is a specific fit for Toyota Sienna vehicles, ensuring proper alignment and function. The steel outer cylinder with a black finish offers durability against corrosion and wear. Both ends feature 10mm nylon ball socket fittings, providing secure attachment points that reduce noise and wear during operation. The lift support extends to 25.06 inches and compresses to 16.31 inches, with an 8.75-inch stroke length, matching factory specifications for smooth liftgate movement.

Common Applications and Problem Resolution

• Replaces failing or weak lift supports causing liftgate sagging
• Eliminates noisy or jerky liftgate operation
• Restores proper liftgate opening and closing force
• Prevents liftgate from falling unexpectedly
• Addresses issues with liftgate not staying open or closing too quickly

Installation Notes and Tips

Installation of the StrongArm 4590 liftgate lift support requires removal of the old lift support by detaching the nylon ball sockets at each end. Use a flat tool to carefully pry off the ball sockets without damaging the mounting points. Align the new lift support with the factory mounting locations and snap the ball sockets securely into place. Verify smooth operation of the liftgate after installation. No special tools are required, but caution is advised to avoid injury from the liftgate movement during replacement.

Quality Assurance and Warranty

StrongArm lift supports are manufactured to meet or exceed OEM standards for fit and function. The 4590 liftgate lift support is constructed with high-quality steel and durable materials such as rubber and Teflon to ensure long service life. While specific warranty details are not provided, StrongArm products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or contact the manufacturer for exact warranty terms.