FCS 84185 Back Glass Lift Support

Back Glass Lift Support for GM SUVs

FCS 84185 is a back glass lift support built for rear glass liftgate operation on select Cadillac, Chevrolet, and GMC full-size SUVs. It is specified with a 10.51 compressed length, 18.03 extended length, and 7.52 stroke length for the listed applications.

Compatible with 2000-2006 Chevrolet Suburban 1500, 2000-2006 Chevrolet Suburban 2500, 2000-2006 Chevrolet Tahoe, 2000-2006 GMC Yukon, 2000-2006 GMC Yukon XL 1500, 2000-2006 GMC Yukon XL 2500, 2000-2006 Cadillac Escalade, 2003-2006 Cadillac Escalade ESV, and 2002-2006 Cadillac Escalade EXT. This part number, 84185, is also listed for the 2000 Cadillac Escalade.

Key Features

• Back glass lift support for rear glass opening and closing assistance
• Compressed length: 10.51
• Extended length: 18.03
• Stroke length: 7.52
• Fits multiple GM platform vehicles, including Chevrolet Tahoe and GMC Yukon applications
• FCS part number 84185 for direct catalog identification

Detailed Description

FCS 84185 is a rear back glass lift support used on select Cadillac Escalade, Chevrolet Suburban, Chevrolet Tahoe, and GMC Yukon models. The listed dimensions help match the support to the correct liftgate geometry, which is important for proper rear glass movement and hold-open function. If you are replacing a worn support on a Chevrolet Tahoe, GMC Yukon XL, or Cadillac Escalade, part number 84185 provides a fitment-specific solution for the rear glass area.

FCS is the brand line identified for this product, and this part is cataloged specifically for the applications shown above. Use the vehicle fitment details to confirm year and model before ordering.

What This Part Helps Address

• Rear glass that will not stay open
• Weak or slow liftgate glass movement
• Drooping back glass on GM SUVs
• Loss of support when opening the rear window
• Uneven or inconsistent rear glass operation

Installation Notes and Tips

Verify the vehicle year, make, and model against the listed applications before installation. Compare the compressed length, extended length, and stroke length to the original support to confirm proper replacement. Inspect the mounting points and surrounding liftgate hardware for wear before installing the new support.

Quality Assurance

This FCS back glass lift support is cataloged for the exact GM applications listed and identified by part number 84185. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.