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StrongArm 6404 Trunk Lid Lift Support
Trunk Lid Lift Support for Cadillac CTS
Restore smooth, controlled opening and holding force for the rear hatch on your Cadillac CTS with StrongArm 6404. This specific-fit trunk lid lift support is engineered for 2003-2007 Cadillac CTS hatch applications with the second design, using pressurized cylinder construction for consistent operation.
Key Features
- Specific-fit trunk lid lift support for 2003-2007 Cadillac CTS
- StrongArm part number 6404
- Extended length: 11.5 in.; compressed length: 7.87 in.
- Stroke length: 3.63 in. with 152.0 maximum force
- Black steel outer cylinder with rubber and Teflon materials
- Ball socket ends: 10 mm nylon on one end, 8 mm nylon on the other
- No internal rebound spring
Detailed Description
StrongArm 6404 is a trunk lid lift support built for the rear hatch on the 2003-2007 Cadillac CTS, second design. It uses a pressurized cylinder to help raise and hold the hatch with controlled movement, while the steel outer cylinder and low-friction internal materials support consistent operation over time. The specific-fit design helps ensure proper geometry for the application, and the ball socket end configuration matches the vehicle mounting points. If you are replacing a worn Cadillac CTS hatch support, StrongArm 6404 provides the correct fitment-focused solution for this body application.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Helps Solve
- Hatch that will not stay open on a 2003-2007 Cadillac CTS
- Slow or weak rear lift action
- Uneven or inconsistent hatch support
- Loss of holding force from a worn lift support
- Rear hatch movement that feels abrupt or uncontrolled
Installation Notes and Tips
Fits 2003-2007 Cadillac CTS, hatch lift support - second design. Confirm the vehicle uses the second-design hatch application before ordering. Inspect the mounting ball studs and surrounding hardware for wear before installation, and verify the support is aligned correctly at both ends so the hatch opens and closes smoothly.
Quality Assurance
StrongArm lift supports are custom engineered and manufactured beyond industry standards to deliver smoother operation and longer service life. The brand specifies that lift supports should be replaced in pairs to maintain safe, reliable support of the hood, hatch, or liftgate.
| Brand | StrongArm |
|---|---|
| Part Number | 6404 |
| Compressed Length | 7.87 |
| Cylinder Outside Diameter | 19.0 |
| End 1 Type | Ball Socket (Nylon) 10mm |
| End 2 Type | Ball Socket (Nylon) 8mm |
| Extended Length | 11.5 |
| Inner Shaft Diameter | 8.0 |
| Internal Rebound Spring | No |
| Materials | Rubber |
| Materials | Teflon |
| Maximum Force | 152.0 |
| Outer Cylinder Color | Black |
| Outer Cylinder Material | Steel |
| Stroke Length | 3.63 |
| Universal Or Specific Fit | Specific |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Cadillac | CTS | N/A | Hatch Lift Support - Second Design |
| 2006 | Cadillac | CTS | N/A | Hatch Lift Support - Second Design |
| 2005 | Cadillac | CTS | N/A | Hatch Lift Support - Second Design |
| 2004 | Cadillac | CTS | N/A | Hatch Lift Support - Second Design |
| 2003 | Cadillac | CTS | N/A | Hatch Lift Support - Second Design |
* 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.