FCS 84575 Back Glass Lift Support

Reliable Back Glass Lift Support for Chevrolet and GMC Vehicles

The FCS Back Glass Lift Support part number 84575 is designed to provide consistent and durable support for the rear glass liftgate on select Chevrolet, GMC, Isuzu, and Saturn models. Engineered to meet precise specifications, this lift support ensures smooth operation and secure positioning of the back glass.

• Compressed length: 13.78 inches for compact fitment
• Extended length: 20 inches to accommodate full lift range
• Stroke length: 6.22 inches for controlled movement
• Compatible with Chevrolet Trailblazer EXT, GMC Envoy XL, Envoy XUV, Isuzu Ascender, and Saturn Relay
• Part number 84575 for accurate replacement and fit

FCS Brand Line Quality and Application

The FCS brand line focuses on producing reliable automotive components that meet OEM standards. This back glass lift support is part of the FCS line, which emphasizes durability and precise fitment for body glass and related components. Using FCS parts helps maintain the original functionality and safety of your vehicle’s rear liftgate system.

Product Details and Specifications

This back glass lift support features a compressed length of 13.78 inches, allowing it to fit securely when the liftgate is closed. When extended, it reaches 20 inches, providing the necessary range to hold the back glass open safely. The 6.22-inch stroke length ensures smooth and controlled lifting and lowering motions, reducing strain on the liftgate mechanism. Designed specifically for models such as the Chevrolet Trailblazer EXT and GMC Envoy XL, this part number 84575 matches factory dimensions for proper installation and operation.

Common Uses and Problem Resolution

• Replaces worn or weak lift supports causing the back glass to sag or close unexpectedly
• Restores proper liftgate operation on Chevrolet Trailblazer EXT and GMC Envoy XL vehicles
• Eliminates difficulty in opening or holding the rear glass in the open position
• Prevents damage to liftgate components from improper support
• Improves safety by ensuring the back glass remains securely open during loading and unloading

Installation Notes and Tips

Installation of the FCS back glass lift support requires basic hand tools and moderate mechanical skill. Before installation, verify the part number 84575 matches the original lift support. Carefully support the back glass during removal and replacement to avoid damage. Align the compressed and extended lengths properly to ensure smooth operation. Lubricate mounting points if necessary to reduce wear and noise.

Quality Assurance and Warranty

FCS parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. While specific warranty details are not provided, FCS products typically come with a limited warranty against defects in materials and workmanship. Using genuine FCS components helps maintain vehicle safety and functionality.