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Stabilus 4B-7972XH Back Glass Lift Support
| Brand | Stabilus 4B-7972XH |
|---|---|
| Y | |
| Y | |
| Body | 0.591 |
| Compressed Length | 13.563 |
| Compressed Length | 344.5 |
| Extended Length | 21.594 |
| Extended Length | 548.5 |
| Force (N) | 119 |
| Force Lbs | 27 |
| Hardware Kit | NO |
| Rod Connection | PLASTIC SOCKET |
| Rod Dia (IN) | 0.236 |
| Rod Diameter | 6 |
| Rod End Attachment Dia (IN) | 0.315 |
| Rod End Attachment Dia (MM) | 8 |
| Shaft | 0.236 |
| Shaft Connection | PLASTIC SOCKET |
| Tube Connection | PLASTIC SOCKET |
| Tube Dia (IN) | 0.591 |
| Tube Diameter | 15 |
| Tube End Attach Dia (IN) | 0.315 |
| Tube End Attach Dia (mm) | 8 |
| Fits | Chevrolet, GMC, Saab, Buick, Isuzu, and Oldsmobile · 33 vehicles |
OE-style replacement. Direct-fit lift support for smooth glass opening and closing.
Plastic socket connections. Simple attachment points help make installation straightforward.
Stabilus engineering. Consistent 27 lb force for controlled lift support performance.
Cross-references ACI 84576, AMS Automotive 4576 and Stabilus 4B-7972XH for the same application. See all 28.
Back Glass Lift Support for GM SUVs
This Stabilus back glass lift support is built for rear glass applications on select GM SUVs, including Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Isuzu Ascender, Buick Rainier, and Oldsmobile Bravada. Part number 4B-7972XH is specified with a 119 N (27 lb) force rating and plastic socket connections for a direct replacement-style fit.
Key Features
- Brand: Stabilus
- Part number: 4B-7972XH
- Back glass lift support for body and glass service
- Force rating: 119 N / 27 lb
- Compressed length: 13.563 in (344.5 mm)
- Extended length: 21.594 in (548.5 mm)
- Rod diameter: 0.236 in (6 mm)
- Tube diameter: 0.591 in (15 mm)
- Plastic socket rod and tube connections
- Direct-fit replacement for listed vehicle applications
Detailed Description
Stabilus 4B-7972XH is a back glass lift support engineered for rear hatch glass service on select SUVs from Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile. It uses plastic socket attachments at both ends and measures 13.563 inches compressed and 21.594 inches extended, with a 6 mm rod and 15 mm tube diameter. The 119 N force rating is matched to the rear glass application for controlled opening and holding performance. This part cross-references AMS Automotive 4576 and Tuff Support 611899 for the same application.
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. If you are replacing a worn rear glass strut on a Chevrolet Trailblazer or GMC Envoy, 4B-7972XH matches the listed fitment and dimensions for the application.
Common Issues This Part Addresses
- Rear glass that will not stay open
- Weak or slow lift support action
- Back glass dropping unexpectedly
- Loss of holding force in cold or aging conditions
- Uneven or inconsistent rear glass movement
Installation Notes and Tips
Verify the compressed length, extended length, rod diameter, tube diameter, and plastic socket end style before installation. Compare the existing support to part number 4B-7972XH to confirm the correct rear glass application on your Chevrolet Trailblazer, GMC Envoy, or other listed vehicle. Inspect the mounting points for wear or damage before snapping the sockets into place.
Quality Assurance
Stabilus is a recognized OE supplier for gas springs and lift supports, and this part is built to match the listed dimensions and force specification for the stated applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | N/A | — |
| 2009 | GMC | Envoy | N/A | — |
| 2009 | Saab | 9-7x | N/A | — |
| 2008 | Chevrolet | Trailblazer | N/A | — |
| 2008 | GMC | Envoy | N/A | — |
| 2008 | Isuzu | Ascender | N/A | — |
| 2008 | Saab | 9-7x | N/A | — |
| 2007 | Buick | Rainier | N/A | — |
| 2007 | Chevrolet | Trailblazer | N/A | — |
| 2007 | GMC | Envoy | N/A | — |
| 2007 | Isuzu | Ascender | N/A | — |
| 2007 | Saab | 9-7x | N/A | — |
| 2006 | Buick | Rainier | N/A | — |
| 2006 | Chevrolet | Trailblazer | N/A | — |
| 2006 | GMC | Envoy | N/A | — |
| 2006 | Isuzu | Ascender | N/A | — |
| 2006 | Saab | 9-7x | N/A | — |
| 2005 | Buick | Rainier | N/A | — |
| 2005 | Chevrolet | Trailblazer | N/A | — |
| 2005 | GMC | Envoy | N/A | — |
| 2005 | Isuzu | Ascender | N/A | — |
| 2005 | Saab | 9-7x | N/A | — |
| 2004 | Buick | Rainier | N/A | — |
| 2004 | Chevrolet | Trailblazer | N/A | — |
| 2004 | GMC | Envoy | N/A | — |
| 2004 | Isuzu | Ascender | N/A | — |
| 2004 | Oldsmobile | Bravada | N/A | — |
| 2003 | Chevrolet | Trailblazer | N/A | — |
| 2003 | GMC | Envoy | N/A | — |
| 2003 | Oldsmobile | Bravada | N/A | — |
| 2002 | Chevrolet | Trailblazer | N/A | — |
| 2002 | GMC | Envoy | N/A | — |
| 2002 | Oldsmobile | Bravada | N/A | — |
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