Stabilus 4B-030091 Back Glass Lift Support

Reliable Back Glass Lift Support for Select GM Vehicles

The Stabilus 4B-030091 Back Glass Lift Support is engineered to provide consistent and smooth operation for the rear glass of your Chevrolet, GMC, or Cadillac SUV or truck. Designed specifically for models like the Chevrolet Tahoe, GMC Yukon, and Cadillac Escalade, this lift support ensures proper lift and hold functionality.

• Compatible with Chevrolet Blazer, Silverado, Suburban 1500/2500, Tahoe
• Fits GMC C1500/C2500 Suburban, Yukon, K1500/K2500 Suburban
• Compressed length: 11.339 inches (288 mm)
• Extended length: 17.598 inches (447 mm)
• Rod diameter: 8 mm (0.315 inches)
• Tube diameter: 18 mm
• Force rating: 339 N (76 lbs)
• Rod connection and shaft connection use durable plastic sockets

Technical Details and Specifications

The Stabilus 4B-030091 features a robust design with an 8 mm rod diameter and an 18 mm tube diameter, providing the necessary strength for reliable rear glass support. Its compressed length measures 11.339 inches (288 mm), extending smoothly to 17.598 inches (447 mm) to accommodate the lift range of the back glass. The lift support exerts a force of 339 Newtons (76 pounds), ensuring stable and controlled movement. Both rod and shaft connections utilize plastic sockets for secure attachment and reduced wear.

Applications and Problem Solving

This back glass lift support is intended for use on select Chevrolet, GMC, and Cadillac SUVs and trucks, including the Chevrolet Tahoe and Suburban series, GMC Yukon, and Cadillac Escalade. It addresses common issues such as:

• Difficulty lifting or holding the rear glass open
• Rear glass that closes unexpectedly or drops suddenly
• Worn or leaking lift supports causing poor performance
• Noise or binding during rear glass operation
• Replacement of original equipment lift supports to restore proper function

Installation Notes and Tips

Installation of the Stabilus 4B-030091 back glass lift support requires basic hand tools and moderate mechanical skill. Ensure the vehicle’s rear glass is securely supported during replacement to prevent injury or damage. The plastic socket connections should snap firmly into place on the mounting points. It is recommended to replace lift supports in pairs to maintain balanced operation. Verify fitment with your specific model year and trim before installation.

Quality Assurance and Warranty

Stabilus is a recognized manufacturer of automotive lift supports, known for precision engineering and durability. The 4B-030091 lift support is manufactured to meet OEM specifications for fit and function. While no specific warranty details are provided here, Stabilus products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.