OE Quality
60-Day Returns

Stabilus 2B-029080 Hatch Lift Support
Stabilus 2B-029080 Gas Spring Overview
The Stabilus 2B-029080 gas spring is built for vehicle lift support applications that require controlled opening, steady holding force, and smooth closing action. With a 788 N (177 lb) force rating, 28.583 in extended length, and 19.843 in compressed length, it is sized for specific rear hatch, liftgate, or panel support applications on select GM minivan models.
Fits 2005-2009 Chevrolet Uplander, N/A; fits 1999-2009 Pontiac Montana, N/A; fits 2005-2007 Buick Terraza, N/A; fits 2005-2007 Saturn Relay, N/A; fits 1997-2004 Oldsmobile Silhouette, N/A; fits 1997-1999 Pontiac Trans Sport, N/A.
- Stabilus part number 2B-029080 for direct application matching
- 788 N / 177 lb force rating for controlled lift support
- 28.583 in extended length and 19.843 in compressed length
- 10 mm rod diameter with 22 mm tube diameter
- Plastic socket rod and tube connections for the specified mounting style
- OE-style dimensions for fitment-sensitive replacement work
Detailed Fitment and Application
This Stabilus gas spring is specified for select Chevrolet Uplander, Pontiac Montana, Buick Terraza, Saturn Relay, Oldsmobile Silhouette, and Pontiac Trans Sport applications. The part number 2B-029080 is also referenced as 029080 and is used where the original support strut requires the same length, force, and end connection style. This part cross-references Tuff Support 610257 for the same application.
Common Replacement Uses
- Weak or failing lift support that no longer holds the panel open
- Slow, uneven, or heavy opening action
- Hatch or liftgate that drops unexpectedly
- Loss of controlled closing due to reduced gas pressure
- Noise or binding from worn support hardware at the socket ends
Installation Notes and Tips
Verify the original strut’s extended length, compressed length, force rating, and plastic socket attachment before ordering. Compare the mounting points on the vehicle and confirm the replacement matches the OE-style dimensions for your Chevrolet Uplander, Pontiac Montana, or related GM application. Replace only with the correct side and application-specific support when the vehicle uses matched lift struts.
Quality Assurance
Stabilus is a recognized supplier of gas springs and lift support components, and this 2B-029080 unit follows the dimensional and force specifications needed for application-specific replacement.
| Brand | Stabilus |
|---|---|
| Part Number | 2B-029080 |
| Y | |
| Y | |
| Body | 0.866 |
| Compressed Length | 19.843 |
| Compressed Length | 504 |
| Extended Length | 28.583 |
| Extended Length | 726 |
| Force (N) | 788 |
| Force Lbs | 177 |
| Hardware Kit | NO |
| Rod Connection | PLASTIC SOCKET |
| Rod Dia (IN) | 0.394 |
| Rod Diameter | 10 |
| Rod End Attachment Dia (IN) | 0.394 |
| Rod End Attachment Dia (MM) | 10 |
| Shaft | 0.394 |
| Shaft Connection | PLASTIC SOCKET |
| Tube Connection | PLASTIC SOCKET |
| Tube Dia (IN) | 0.866 |
| Tube Diameter | 22 |
| Tube End Attach Dia (IN) | 0.394 |
| Tube End Attach Dia (mm) | 10 |
This part fits 33 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Chevrolet | Uplander | N/A | |
| 2009 | Pontiac | Montana | N/A | |
| 2008 | Chevrolet | Uplander | N/A | |
| 2008 | Pontiac | Montana | N/A | |
| 2007 | Buick | Terraza | N/A | |
| 2007 | Chevrolet | Uplander | N/A | |
| 2007 | Pontiac | Montana | N/A | |
| 2007 | Saturn | Relay | N/A | |
| 2006 | Buick | Terraza | N/A | |
| 2006 | Chevrolet | Uplander | N/A | |
| 2006 | Pontiac | Montana | N/A | |
| 2006 | Saturn | Relay | N/A | |
| 2005 | Buick | Terraza | N/A | |
| 2005 | Chevrolet | Uplander | N/A | |
| 2005 | Pontiac | Montana | N/A | |
| 2005 | Saturn | Relay | N/A | |
| 2004 | Oldsmobile | Silhouette | N/A | |
| 2004 | Pontiac | Montana | N/A | |
| 2003 | Oldsmobile | Silhouette | N/A | |
| 2003 | Pontiac | Montana | N/A | |
| 2002 | Oldsmobile | Silhouette | N/A | |
| 2002 | Pontiac | Montana | N/A | |
| 2001 | Oldsmobile | Silhouette | N/A | |
| 2001 | Pontiac | Montana | N/A | |
| 2000 | Oldsmobile | Silhouette | N/A | |
| 2000 | Pontiac | Montana | N/A | |
| 1999 | Oldsmobile | Silhouette | N/A | |
| 1999 | Pontiac | Montana | N/A | |
| 1999 | Pontiac | Trans Sport | N/A | |
| 1998 | Oldsmobile | Silhouette | N/A | |
| 1998 | Pontiac | Trans Sport | N/A | |
| 1997 | Oldsmobile | Silhouette | N/A | |
| 1997 | Pontiac | Trans Sport | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.