/live/media/Z1/Z1_6503_Fro.jpg)
StrongArm 6503 Liftgate Lift Support
| Brand | StrongArm 6503 |
|---|---|
| Compressed Length | 19.25 |
| Cylinder Outside Diameter | 22.0 |
| End 1 Type | Ball Socket (Nylon) 10mm |
| End 2 Type | Ball Socket (Nylon) 10mm |
| Extended Length | 26.25 |
| Inner Shaft Diameter | 10.0 |
| Internal Rebound Spring | No |
| Materials | Rubber |
| Materials | Teflon |
| Maximum Force | 160.0 |
| Outer Cylinder Color | Black |
| Outer Cylinder Material | Steel |
| Stroke Length | 7.0 |
| Universal Or Specific Fit | Specific |
| Fits | Hummer · 7 vehicles |
Specific fit. Custom engineered for a precise replacement.
Steel cylinder. Black steel construction with nylon ball sockets.
Smooth operation. Built for smoother, longer-lasting performance.
Cross-references AMS Automotive 6503, Dorman - First Stop C95372 and 510-1249 for the same application. See all 12.
StrongArm 6503 Liftgate Lift Support
StrongArm 6503 is a specific-fit liftgate lift support for the 2003-2009 Hummer H2. It is a pressurized cylinder built to hold the liftgate in the open position with controlled motion and consistent support.
Key Features
- Specific-fit liftgate lift support for the 2003-2009 Hummer H2
- Extended length: 26.25 in.; compressed length: 19.25 in.
- 7.0 in. stroke length for liftgate travel
- 160.0 maximum force rating
- Steel outer cylinder with black finish
- Ball socket (nylon) 10 mm ends on both sides
- Rubber and Teflon materials for operating durability
Detailed Description
StrongArm 6503 is engineered as a direct replacement liftgate lift support for the Hummer H2. The pressurized cylinder helps control liftgate movement, reducing the effort needed to raise the rear hatch while maintaining steady support when open. With a 26.25-inch extended length, 19.25-inch compressed length, and 7.0-inch stroke, this lift support is built around the dimensions needed for the listed application. StrongArm manufactures its lift supports to exceed industry standards for smoother operation and longer service life. This part cross-references Dorman - First Stop C95372 for the same application.
Fits 2003-2009 Hummer H2, N/A. StrongArm 6503 is a direct-fit option for owners searching for a liftgate lift support for Hummer H2 rear hatch service, including replacement of worn gas struts that no longer hold the liftgate open.
What It Helps Address
- Liftgate that drops or will not stay open
- Rear hatch movement that feels weak or uneven
- Slow, inconsistent liftgate opening
- Excess effort needed to raise the rear hatch
- Noise or instability from worn lift support cylinders
Installation Notes and Tips
Verify the vehicle application before installation and confirm the ball socket end style matches the existing hardware. Inspect the liftgate mounting points and surrounding brackets for wear before replacing the support. For safe, reliable operation, replace lift supports in pairs when servicing the liftgate on the 2003-2009 Hummer H2.
Quality Assurance
StrongArm lift supports are custom engineered and manufactured to meet demanding fit and performance requirements. The 6503 is built for specific application fitment and consistent liftgate support on the Hummer H2.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Hummer | H2 | N/A | — |
| 2008 | Hummer | H2 | N/A | — |
| 2007 | Hummer | H2 | N/A | — |
| 2006 | Hummer | H2 | N/A | — |
| 2005 | Hummer | H2 | N/A | — |
| 2004 | Hummer | H2 | N/A | — |
| 2003 | Hummer | H2 | N/A | — |
| No rows match your filter. | ||||