OE Quality
60-Day Returns

Stabilus 4B-7644QK Hatch Lift Support
Stabilus 4B-7644QK Gas Strut Overview
The Stabilus 4B-7644QK is a gas strut for rear liftgate or hatch support on select Nissan Pathfinder and INFINITI QX4 applications. It is built with plastic socket connections and OE-style dimensions for direct replacement use where the original support has weakened or lost pressure.
- Force rating: 730 N / 164 lb
- Compressed length: 355.5 mm (13.996 in)
- Extended length: 538 mm (21.181 in)
- Rod diameter: 8 mm (0.315 in)
- Tube diameter: 19 mm (0.748 in)
- Rod connection: plastic socket
- Tube connection: plastic socket
Fitment Details
Compatible with 2002-2004 Nissan Pathfinder and 2001-2003 INFINITI QX4 applications. Fits 2002-2004 Nissan Pathfinder, N/A. Fits 2002-2003 INFINITI QX4, N/A. Fits 2001 INFINITI QX4, N/A, from 05/2001.
This part cross-references Tuff Support 612007 and 612053 for the same application.
What This Part Helps Address
- Rear hatch or liftgate that will not stay open
- Slow, weak, or uneven hatch movement
- Loss of support pressure in the original gas strut
- Difficulty opening or closing the rear access panel smoothly
Installation Notes
Verify the compressed length, extended length, rod diameter, tube diameter, and socket-style ends before installation. Compare the original support to the Stabilus 4B-7644QK to confirm the correct application for your Nissan Pathfinder or INFINITI QX4. Inspect the mounting points and socket clips for wear before replacing the strut.
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 rating for the specified vehicle applications.
| Brand | Stabilus |
|---|---|
| Part Number | 4B-7644QK |
| Y | |
| Y | |
| Body | 0.748 |
| Compressed Length | 13.996 |
| Compressed Length | 355.5 |
| Extended Length | 21.181 |
| Extended Length | 538 |
| Force (N) | 730 |
| Force Lbs | 164 |
| Hardware Kit | NO |
| Rod Connection | PLASTIC SOCKET |
| Rod Dia (IN) | 0.315 |
| Rod Diameter | 8 |
| Rod End Attachment Dia (IN) | 0.394 |
| Rod End Attachment Dia (MM) | 10 |
| Shaft | 0.315 |
| Shaft Connection | PLASTIC SOCKET |
| Tube Connection | PLASTIC SOCKET |
| Tube Dia (IN) | 0.748 |
| Tube Diameter | 19 |
| Tube End Attach Dia (IN) | 0.394 |
| Tube End Attach Dia (mm) | 10 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Nissan | Pathfinder | N/A | |
| 2003 | INFINITI | QX4 | N/A | |
| 2003 | Nissan | Pathfinder | N/A | |
| 2002 | INFINITI | QX4 | N/A | |
| 2002 | Nissan | Pathfinder | N/A | |
| 2001 | INFINITI | QX4 | N/A | From 05/2001 |
* 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.