Stabilus 4B-257921 Back Glass Lift Support

Back Glass Lift Support for Expedition and Navigator

This Stabilus back glass lift support is built for rear glass liftgate applications on the Ford Expedition and Lincoln Navigator. It uses plastic socket connections and a gas-charged design to help support controlled opening and closing of the back glass.

Key Features

• Brand: Stabilus
• Part number: 4B-257921
• Back glass lift support for rear glass applications
• Compressed length: 13.150 in. (334 mm)
• Extended length: 19.685 in. (500 mm)
• Force rating: 125 N / 28 lb
• Rod diameter: 0.315 in. (8 mm)
• Tube diameter: 0.709 in. (18 mm)
• Plastic socket rod and tube connections

Detailed Description

Stabilus 4B-257921 is a back glass lift support engineered for rear glass liftgate use on 2018-2024 Ford Expedition and 2018-2024 Lincoln Navigator models. With a 13.150-inch compressed length, 19.685-inch extended length, and 125 N force rating, it is sized to match the specified rear glass support application and provide consistent lift assistance. This part cross-references Gates 7365 for the same application.

For buyers searching for a Ford Expedition back glass lift support or a Lincoln Navigator rear glass strut, 4B-257921 is the direct fitment reference to verify against the vehicle’s rear glass support setup. The plastic socket attachment style and measured rod and tube diameters help identify the correct replacement before ordering.

What It Helps Address

• Rear glass that will not stay open
• Weak or slow lift assistance at the back glass
• Dropping rear glass during opening
• Uneven or inconsistent support force
• Replacement of a worn rear glass strut on Expedition or Navigator models

Installation Notes and Tips

Confirm the vehicle year, make, and model before installation. Match the compressed length, extended length, force rating, and plastic socket connection style to the existing support to ensure proper rear glass operation. Inspect the mounting points and surrounding hardware for wear or damage before installing the new lift support.

Quality Assurance

Stabilus is a recognized OE supplier for gas springs and lift supports, and this part is built to the listed dimensions and force specification for the stated application. Verify fitment against the vehicle and existing support details before installation.