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StrongArm 6640 Liftgate Lift Support
| Brand | StrongArm 6640 |
|---|---|
| Compressed Length | 13.09 |
| Cylinder Outside Diameter | 18.0 |
| End 1 Type | Ball Socket (Nylon - Steel) 10mm |
| End 2 Type | Ball Socket (Nylon - Steel) 10mm |
| Extended Length | 21.09 |
| Inner Shaft Diameter | 8.0 |
| Internal Rebound Spring | No |
| Materials | Rubber |
| Materials | Teflon |
| Maximum Force | 99.0 |
| Outer Cylinder Color | Black |
| Outer Cylinder Material | Steel |
| Stroke Length | 8.0 |
| Universal Or Specific Fit | Specific |
| Fits | Nissan · 6 vehicles |
Specific fit. Custom engineered for a precise replacement.
Steel cylinder. Durable construction for smoother, longer-lasting operation.
Ball socket ends. Nylon-steel sockets provide secure attachment.
Cross-references Standard Ignition 6640, 819-8171 and 90450-EQ30B for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
StrongArm 6640 Liftgate Lift Support
Restore smooth liftgate operation with the StrongArm 6640 liftgate lift support. This specific-fit gas strut is engineered for 2002-2007 Nissan X-Trail applications and helps maintain controlled opening and closing of the rear liftgate. The StrongArm 6640 is built with steel cylinder construction, nylon-steel ball socket ends, and a 99.0 maximum force rating for consistent support.
Key Features
- Specific-fit liftgate lift support for 2002-2007 Nissan X-Trail
- Part number 6640 for direct application lookup
- Extended length: 21.09 in.; compressed length: 13.09 in.
- Stroke length: 8.0 in. with 99.0 maximum force
- Steel outer cylinder with black finish
- Nylon-steel ball socket ends, 10 mm at both ends
- Rubber and Teflon materials for operating durability
Detailed Description
The StrongArm 6640 is a liftgate lift support made for the rear hatch on the Nissan X-Trail. It uses pressurized cylinder construction to hold the liftgate in position and provide controlled motion during opening and closing. With a specific fit design, this part number 6640 matches the listed vehicle application and supports reliable rear liftgate function on 2002-2007 Nissan X-Trail models.
StrongArm engineers each lift support to meet demanding application requirements, with attention to smooth operation and long service life. This unit features a steel outer cylinder, nylon-steel ball socket connections, and a stroke length sized for the listed liftgate application. If you are replacing a worn rear hatch strut on a Nissan X-Trail, the StrongArm 6640 provides the correct fitment and operating dimensions for the job.
This part cross-references Standard Ignition 6640 for the same application.
Common Problems This Part Can Help Solve
- Liftgate that drops too quickly when opened
- Rear hatch that will not stay raised
- Weak or inconsistent liftgate support
- Hard-to-open or hard-to-close rear hatch movement
- Worn gas strut performance on a Nissan X-Trail
Installation Notes and Tips
Verify the vehicle application before installation and confirm the ball socket end style matches the existing mounting points. Inspect the liftgate hinges and mounting studs for wear or damage before replacing the support. For proper rear hatch operation, replace the support according to the vehicle’s service procedure and confirm smooth opening and closing after installation.
Quality Assurance
StrongArm lift supports are custom engineered and manufactured to exceed industry standards for smoother operation and longer-lasting performance. The manufacturer recommends replacing lift supports in pairs to maintain safe, reliable liftgate support.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Nissan | X-Trail | N/A | — |
| 2006 | Nissan | X-Trail | N/A | — |
| 2005 | Nissan | X-Trail | N/A | — |
| 2004 | Nissan | X-Trail | N/A | — |
| 2003 | Nissan | X-Trail | N/A | — |
| 2002 | Nissan | X-Trail | N/A | — |
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