StrongArm 4423 Back Glass Lift Support

Back Glass Lift Support for Bronco II

StrongArm 4423 is a specific-fit back glass lift support for the 1984-1990 Ford Bronco II with a movable rear window. It uses a pressurized cylinder design to help hold the rear glass in position and deliver smooth, controlled operation.

Built with a black steel outer cylinder, nylon 10mm ball socket ends, and internal rubber and Teflon materials, this StrongArm lift support is engineered for consistent rear window support. The StrongArm 4423 is a direct-fit solution for Ford Bronco II rear glass service and replacement.

Key Features

• Specific-fit back glass lift support for the Ford Bronco II
• Fits 1984-1990 Ford Bronco II, with movable rear window
• Pressurized cylinder construction for rear glass support
• Black steel outer cylinder for durable housing
• Nylon 10mm ball socket ends for secure attachment points
• Extended length: 17.2 in.; compressed length: 11.0 in.
• Stroke length: 6.19 in. with 30.0 maximum force
• Cross-references AMS Automotive 4423 for the same application

Detailed Description

StrongArm 4423 is a back glass lift support engineered for the rear window glass on 1984-1990 Ford Bronco II models equipped with a movable rear window. The unit is built as a pressurized cylinder with a steel outer body, nylon ball socket ends, and internal rubber and Teflon components to support smoother movement and consistent operation. This part number is also referenced as StrongArm 4423 in interchange listings for the same application.

For buyers searching for a 1984 Ford Bronco II back glass lift support, a 1987 Ford Bronco II rear window support, or a 1990 Ford Bronco II lift support for movable rear glass, this specific-fit part provides the correct application match. The StrongArm 4423 is intended for rear glass service where controlled opening and holding force are needed.

Common Problems It Can Help Solve

• Rear glass that will not stay open
• Weak or slow-moving back window support
• Drooping hatch glass during loading or unloading
• Uneven or inconsistent rear window lift action
• Noise or binding from a worn lift support

Installation Notes and Tips

Verify the vehicle is a 1984-1990 Ford Bronco II with a movable rear window before ordering. Match the existing end style and length specifications to confirm fitment, and inspect the mounting points for wear before installation. Lift supports should be replaced in pairs to maintain balanced rear glass operation and reliable support.

Quality Assurance

StrongArm lift supports are custom engineered and manufactured beyond industry standards to support smoother operation and longer service life. The 4423 is built to meet the demands of rear glass applications on the Ford Bronco II.