StrongArm 4120 Trunk Lid Lift Support

StrongArm Trunk Lid Lift Support for Chevrolet Vehicles

The StrongArm 4120 trunk lid lift support is engineered specifically for Chevrolet Impala, Lumina, and Monte Carlo models. Designed to provide reliable and consistent trunk lid assistance, this lift support ensures smooth opening and secure holding of the trunk lid.

• Compressed length: 7.94 inches
• Extended length: 11.06 inches
• Cylinder outside diameter: 19.0 mm
• Stroke length: 3.12 inches
• Inner shaft diameter: 8.0 mm
• Steel outer cylinder with black finish
• Ball socket nylon ends (10mm and 8mm)
• Maximum force rating: 147 lbs
• Materials include rubber and Teflon components

Technical Details and Construction

The StrongArm 4120 trunk lid lift support features a durable steel outer cylinder finished in black for corrosion resistance and longevity. It uses nylon ball socket ends sized 10mm and 8mm to ensure a secure and precise fit on the trunk lid and vehicle body. The lift support has a compressed length of 7.94 inches and extends to 11.06 inches, providing a stroke length of 3.12 inches to accommodate the trunk lid movement range. The internal design excludes a rebound spring, focusing on consistent force application with a maximum force of 147 pounds. Rubber and Teflon materials are incorporated to reduce friction and wear, enhancing the part's operational life.

Compatible Chevrolet Models and Applications

This trunk lid lift support is a specific fit for Chevrolet Impala, Lumina, and Monte Carlo vehicles. It is designed to replace worn or failing lift supports that no longer hold the trunk lid open securely or cause difficulty in opening and closing. The part number 4120 corresponds directly to these applications, ensuring proper fitment and function.

• Supports smooth trunk lid opening and closing
• Prevents trunk lid from slamming shut
• Eliminates trunk lid sagging or failure to stay open
• Restores factory-level trunk lid support performance
• Reduces wear on trunk hinges by controlling lid movement

Installation Notes and Tips

Installation of the StrongArm 4120 trunk lid lift support requires removal of the old lift support and attachment of the new unit using the ball socket ends. Ensure the correct orientation of the 10mm and 8mm nylon ball sockets to match the vehicle's mounting points. Use appropriate tools to avoid damage to the ball sockets during installation. It is recommended to replace lift supports in pairs to maintain balanced trunk lid operation.

Quality Assurance and Warranty

StrongArm trunk lid lift supports are manufactured to meet OEM specifications for fit and function. The steel construction and quality materials provide durability under normal operating conditions. While no internal rebound spring is included, the design ensures consistent force application. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.