FCS 84451 Back Glass Lift Support

Brand FCS 84451
Compressed Length 10.67
Extended Length 18.03
Stroke Length 7.36
Product line FCS
Fits Chevrolet, GMC, and Oldsmobile · 37 vehicles

Lift support. Helps hold 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 Rear Hatch

Restore controlled opening and holding force for the rear glass on compatible Chevrolet S10 Blazer, GMC Jimmy, Oldsmobile Bravada, and GMC S15 Jimmy applications. FCS 84451 is a back glass lift support with a 10.67-inch compressed length, 18.03-inch extended length, and 7.36-inch stroke length for rear defroster hatch service.

Key Features

  • Back glass lift support for rear hatch glass applications
  • Compressed length: 10.67 inches
  • Extended length: 18.03 inches
  • Stroke length: 7.36 inches
  • Fits rear defroster hatch lift support applications on select GM SUVs
  • FCS 84451 for direct replacement service

Fitment Details

  • Fits 1983-1994 Chevrolet S10 Blazer, rear defroster hatch lift support.
  • Fits 1983-1994 GMC Jimmy, rear defroster hatch lift support.
  • Fits 1991-1994 Oldsmobile Bravada, rear defroster hatch lift support.
  • Fits 1983-1991 GMC S15 Jimmy, rear defroster hatch lift support.

Detailed Description

FCS 84451 is built for rear glass lift support service where the hatch glass needs consistent opening and holding action. The listed compressed length, extended length, and stroke length help match the support to the original rear glass geometry on the vehicle. This part number is used on select Chevrolet S10 Blazer and GMC Jimmy models, along with Oldsmobile Bravada and GMC S15 Jimmy applications, making it a practical replacement for worn rear hatch support hardware. FCS 84451 is also a useful reference when searching for a back glass lift support for 1983-1994 Chevrolet S10 Blazer or 1983-1994 GMC Jimmy rear defroster hatch service.

What It Helps Fix

  • Rear glass that drops instead of staying open
  • Weak hatch support force
  • Slow or uneven rear glass lift action
  • Rear defroster hatch support wear
  • Difficulty opening the back glass smoothly

Installation Notes and Tips

Verify the compressed length, extended length, and stroke length against the original support before installation. Confirm the vehicle application by year, make, and model, especially on Chevrolet S10 Blazer, GMC Jimmy, Oldsmobile Bravada, and GMC S15 Jimmy rear glass service. Inspect the mounting points and surrounding hardware for wear or damage before replacing the support.

Quality Assurance

FCS 84451 is a cataloged replacement part for rear glass lift support service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 37 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1994ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1994GMCJimmyN/ARear Defroster hatch lift support; FCS
1994OldsmobileBravadaN/ARear Defroster hatch lift support; FCS
1993ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1993GMCJimmyN/ARear Defroster hatch lift support; FCS
1993OldsmobileBravadaN/ARear Defroster hatch lift support; FCS
1992ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1992GMCJimmyN/ARear Defroster hatch lift support; FCS
1992OldsmobileBravadaN/ARear Defroster hatch lift support; FCS
1991ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1991GMCJimmyN/ARear Defroster hatch lift support; FCS
1991GMCS15 JimmyN/ARear Defroster hatch lift support; FCS
1991OldsmobileBravadaN/ARear Defroster hatch lift support; FCS
1990ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1990GMCJimmyN/ARear Defroster hatch lift support; FCS
1990GMCS15 JimmyN/ARear Defroster hatch lift support; FCS
1989ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1989GMCJimmyN/ARear Defroster hatch lift support; FCS
1989GMCS15 JimmyN/ARear Defroster hatch lift support; FCS
1988ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1988GMCJimmyN/ARear Defroster hatch lift support; FCS
1988GMCS15 JimmyN/ARear Defroster hatch lift support; FCS
1987ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1987GMCJimmyN/ARear Defroster hatch lift support; FCS
1987GMCS15 JimmyN/ARear Defroster hatch lift support; FCS
1986ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1986GMCJimmyN/ARear Defroster hatch lift support; FCS
1986GMCS15 JimmyN/ARear Defroster hatch lift support; FCS
1985ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1985GMCJimmyN/ARear Defroster hatch lift support; FCS
1985GMCS15 JimmyN/ARear Defroster hatch lift support; FCS
1984ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1984GMCJimmyN/ARear Defroster hatch lift support; FCS
1984GMCS15 JimmyN/ARear Defroster hatch lift support; FCS
1983ChevroletS10 BlazerN/ARear Defroster hatch lift support; FCS
1983GMCJimmyN/ARear Defroster hatch lift support; FCS
1983GMCS15 JimmyN/ARear Defroster hatch lift support; FCS