StrongArm 4191 Back Glass Lift Support

StrongArm Back Glass Lift Support Overview

The StrongArm 4191 Back Glass Lift Support is engineered specifically for Ford Expedition and Lincoln Navigator models. Designed to provide reliable support and smooth operation, this lift support ensures your vehicle's back glass opens and closes with ease and stability.

• Compressed length: 12.88 inches
• Extended length: 18.38 inches
• Stroke length: 5.5 inches
• Cylinder outside diameter: 19.0 mm
• Inner shaft diameter: 8.0 mm
• Steel outer cylinder with black finish
• Ball socket nylon ends, 10mm size on both ends
• Maximum force rating of 43.0 lbs
• Materials include rubber and Teflon components for durability

Technical Details and Construction

The StrongArm 4191 lift support features a robust steel outer cylinder finished in black for corrosion resistance and durability. Its 19.0 mm outside diameter and 8.0 mm inner shaft diameter provide the necessary strength to support the back glass of your Ford Expedition or Lincoln Navigator. The lift support extends from 12.88 inches compressed to 18.38 inches fully extended, offering a 5.5-inch stroke length to accommodate smooth opening and closing motions. Both ends are equipped with 10mm nylon ball socket connectors, ensuring secure attachment points that reduce wear and noise. The internal design excludes a rebound spring, focusing on consistent force application up to 43 lbs. Rubber and Teflon materials are incorporated to enhance sealing and reduce friction during operation.

Compatible Vehicles and Applications

This back glass lift support is a specific fit for the following vehicles:

• Ford Expedition (various model years)
• Lincoln Navigator (various model years)

Part number 4191 is designed to replace worn or failing lift supports on these models, restoring proper function to the rear glass lift mechanism.

Common Issues Addressed by StrongArm 4191

• Difficulty lifting or holding the back glass open
• Back glass closing unexpectedly or slamming shut
• Excessive noise or binding during glass operation
• Visible wear or damage to existing lift supports
• Loss of smooth motion when opening or closing the rear glass

Installation Notes and Tips

• Ensure the vehicle is parked on a level surface before installation
• Use appropriate tools to remove the old lift support ball sockets carefully
• Verify the orientation and length of the new lift support matches the original
• Lubricate ball socket ends lightly if necessary to ease installation
• Test the back glass operation after installation to confirm proper fit and function

Quality Assurance and Warranty

The StrongArm 4191 Back Glass Lift Support is manufactured to meet OEM specifications for Ford and Lincoln vehicles. Constructed with durable steel and quality materials, it is designed for long-lasting performance. While specific warranty details are not provided, StrongArm products typically adhere to industry standards for reliability and fitment accuracy.