StrongArm 6550 Liftgate Lift Support

Brand StrongArm 6550
Compressed Length 16.31
Cylinder Outside Diameter 22.0
End 1 Type Ball Socket (Nylon Angled) 16 Deg.
End 2 Type Ball Socket (Nylon) 10mm
Extended Length 22.56
Inner Shaft Diameter 10.0
Internal Rebound Spring No
Materials Rubber
Materials Teflon
Maximum Force 216.0
Outer Cylinder Color Black
Outer Cylinder Material Steel
Stroke Length 6.25
Universal Or Specific Fit Specific
Fits Toyota · 15 vehicles

Specific fit. Custom engineered for a precise replacement.

Steel cylinder. Built with a black steel body for durable support.

Smooth operation. Pressurized design delivers steadier, longer-lasting lift support.

Cross-references AMS Automotive 6550, Dorman - First Stop C96550 and 819-7039 for the same application. See all 10.

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StrongArm 6550 Liftgate Lift Support for Toyota 4Runner

StrongArm 6550 is a specific-fit liftgate lift support for the Toyota 4Runner, covering 2010-2024 applications. It is built as a pressurized cylinder to help hold the rear liftgate in the open position with controlled motion and consistent support.

Key Features

  • Specific-fit liftgate lift support for Toyota 4Runner models
  • Extended length: 22.56 in.; compressed length: 16.31 in.
  • Stroke length: 6.25 in. for liftgate travel
  • Maximum force rating: 216.0
  • Black steel outer cylinder with rubber and Teflon materials
  • Ball socket ends: nylon angled 16 deg. on one end, nylon 10mm on the other
  • Cross-references Dorman - First Stop C96550 for the same application

Detailed Description

StrongArm 6550 is engineered for the rear liftgate on 2010-2024 Toyota 4Runner models. As a gas-charged lift support, it helps control opening and holding action for the hatch area, using a steel outer cylinder, nylon ball socket ends, and internal materials selected for smooth operation and long service life. The part number 6550 is also referenced in aftermarket catalogs for this Toyota 4Runner application.

This lift support is a direct-fit replacement for the specified Toyota 4Runner years and is built to match the required compressed length, extended length, stroke, and force rating for proper liftgate function. StrongArm manufactures these supports beyond standard industry requirements to improve operating consistency.

What It Helps Solve

  • Liftgate that will not stay open
  • Rear hatch that drops too quickly
  • Weak or worn lift support pressure
  • Uneven or inconsistent liftgate movement
  • Noise or binding from an aging support

Installation Notes and Tips

Fits 2010-2024 Toyota 4Runner, rear liftgate application. Verify the end fittings and length against the original support before installation. For safe and reliable liftgate operation, replace lift supports in pairs when the vehicle uses two supports on the hatch.

Quality Assurance

StrongArm lift supports are custom engineered and manufactured to exceed industry standards for smoother operation and longer-lasting performance. Part number 6550 is built to meet the specific fitment requirements for the Toyota 4Runner platform.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2024Toyota4Runner4.0LV6N/A
2023Toyota4Runner4.0LV6N/A
2022Toyota4Runner4.0LV6N/A
2021Toyota4Runner4.0LV6N/A
2020Toyota4RunnerN/A
2019Toyota4RunnerN/A
2018Toyota4RunnerN/A
2017Toyota4RunnerN/A
2016Toyota4RunnerN/A
2015Toyota4RunnerN/A
2014Toyota4RunnerN/A
2013Toyota4RunnerN/A
2012Toyota4RunnerN/A
2011Toyota4RunnerN/A
2010Toyota4RunnerN/A
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6550Dorman - First Stop — C96550819-703968907-0W10068907-0W10168908-0W10068908-0W101900338C6550SG229039