FCS 84576 Back Glass Lift Support

Brand FCS 84576
Compressed Length 13.78
Extended Length 21.57
Stroke Length 7.8
Product line FCS
Fits Chevrolet, GMC, Isuzu, Buick, and Oldsmobile · 44 vehicles

Lift support. Helps hold the glass open smoothly and securely.

Gas-charged design. Provides controlled motion for easier opening and closing.

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Back Glass Lift Support for Trailblazer, Envoy, and More

FCS 84576 is a back glass lift support for select GM and related SUVs with rear liftglass applications. It is built around a 13.78-inch compressed length, 21.57-inch extended length, and 7.8-inch stroke length to match the required opening and holding range for the rear glass.

Key Features

  • Part number: FCS 84576
  • Compressed length: 13.78 inches
  • Extended length: 21.57 inches
  • Stroke length: 7.8 inches
  • Back glass lift support for rear liftglass operation
  • Compatible with select Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Isuzu Ascender, Buick Rainier, and Oldsmobile Bravada applications

Fitment Details

  • Fits 2002-2009 Chevrolet Trailblazer, N/A
  • Fits 2002-2009 GMC Envoy, N/A
  • Fits 2005-2009 Saab 9-7x, N/A
  • Fits 2004-2008 Isuzu Ascender, N/A
  • Fits 2004-2007 Buick Rainier, N/A
  • Fits 2002-2004 Oldsmobile Bravada, N/A

Detailed Description

FCS 84576 is a rear glass lift support specified for vehicles that use a back glass strut to raise and hold the liftglass. The measured compressed length, extended length, and stroke length are the key dimensions for matching the support to the vehicle’s rear glass geometry and opening travel. This part number is a direct fitment reference for 2002-2009 Chevrolet Trailblazer and 2002-2009 GMC Envoy applications, with additional coverage for Saab 9-7x, Isuzu Ascender, Buick Rainier, and Oldsmobile Bravada models listed above. FCS 84576 is the correct search term for buyers looking for a back glass lift support for Chevrolet Trailblazer or GMC Envoy rear glass service.

What It Helps Address

  • Rear glass that will not stay open
  • Liftglass that drops unexpectedly
  • Weak or worn gas support performance
  • Difficulty opening the back glass smoothly
  • Rear hatch glass support replacement on listed SUVs

Installation Notes and Tips

Match the compressed length, extended length, and stroke length to the original support before installation. Confirm the vehicle application by year, make, and model, especially on Chevrolet Trailblazer and GMC Envoy rear glass setups. Inspect the mounting points and surrounding hardware for wear or damage before replacing the support, and verify smooth liftglass movement after installation.

Quality Assurance

FCS offers this lift support as a cataloged replacement part for the listed applications. Part number FCS 84576 is identified for the fitments shown above and should be selected by matching vehicle application and dimensional specifications.

This part fits 44 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2009ChevroletTrailblazerSSN/AFCS
2009GMCEnvoy—N/AFCS
2009Saab9-7x—N/AFCS
2008ChevroletTrailblazerSSN/AFCS
2008ChevroletTrailblazerBaseN/AFCS
2008GMCEnvoy—N/AFCS
2008IsuzuAscender—N/AFCS
2008Saab9-7x—N/AFCS
2007BuickRainier—N/AFCS
2007ChevroletTrailblazerSSN/AFCS
2007ChevroletTrailblazerBaseN/AFCS
2007ChevroletTrailblazerLSN/AFCS
2007GMCEnvoy—N/AFCS
2007IsuzuAscender—N/AFCS
2007Saab9-7x—N/AFCS
2006BuickRainier—N/AFCS
2006ChevroletTrailblazerSSN/AFCS
2006ChevroletTrailblazerBaseN/AFCS
2006ChevroletTrailblazerLSN/AFCS
2006GMCEnvoy—N/AFCS
2006IsuzuAscender—N/AFCS
2006Saab9-7x—N/AFCS
2005BuickRainier—N/AFCS
2005ChevroletTrailblazerLSN/AFCS
2005ChevroletTrailblazerBaseN/AFCS
2005GMCEnvoy—N/AFCS
2005IsuzuAscender—N/AFCS
2005Saab9-7x—N/AFCS
2004BuickRainier—N/AFCS
2004ChevroletTrailblazerLSN/AFCS
2004GMCEnvoy—N/AFCS
2004IsuzuAscender—N/AFCS
2004OldsmobileBravada—N/AFCS
2003ChevroletTrailblazerNorth FaceN/AFCS
2003ChevroletTrailblazerBaseN/AFCS
2003ChevroletTrailblazerLTZN/AFCS
2003ChevroletTrailblazerLSN/AFCS
2003GMCEnvoy—N/AFCS
2003OldsmobileBravada—N/AFCS
2002ChevroletTrailblazerNorth FaceN/AFCS
2002ChevroletTrailblazerLTZN/AFCS
2002ChevroletTrailblazerLSN/AFCS
2002GMCEnvoy—N/AFCS
2002OldsmobileBravada—N/AFCS