StrongArm 6439 Trunk Lid Lift Support
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StrongArm

StrongArm 6439 Trunk Lid Lift Support

Brand StrongArm 6439
Compressed Length 13.81
Cylinder Outside Diameter 18.0
End 1 Type Ball Socket (Nylon) 10mm
End 2 Type Ball Socket (Nylon) 10mm
Extended Length 23.06
Inner Shaft Diameter 8.0
Internal Rebound Spring No
Materials Rubber
Materials Teflon
Maximum Force 45.0
Outer Cylinder Color Black
Outer Cylinder Material Steel
Stroke Length 9.25
Universal Or Specific Fit Specific
Fits Jaguar · 5 vehicles

Specific fit. Custom-engineered for a precise replacement.

Steel cylinder. Durable construction with a black finish.

Smooth operation. Built for longer-lasting support.

Cross-references AMS Automotive 6439, 819-6342 and BDC4279 for the same application. See all 6.

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Not what you need? See all Trunk Lid Lift Support options

Trunk Lid Lift Support for Jaguar XJS

Restore steady, controlled trunk lid operation with this StrongArm trunk lid lift support, part number 6439. It is a specific-fit replacement for 1992-1996 Jaguar XJS models and is engineered for smooth opening and dependable rear compartment support.

  • Specific fit for 1992-1996 Jaguar XJS
  • StrongArm part number 6439
  • Compressed length: 13.81 in.
  • Extended length: 23.06 in.
  • Stroke length: 9.25 in.
  • Maximum force: 45.0
  • Black steel outer cylinder with nylon 10mm ball socket ends
  • Rubber and Teflon materials for consistent operation
  • No internal rebound spring

Product Details

StrongArm 6439 is a pressurized trunk lid lift support built for the rear compartment of the Jaguar XJS. The cylinder uses a black steel outer body, nylon ball socket ends, and a 45.0 maximum force rating to provide controlled lift and stable hold performance. With a compressed length of 13.81 inches and an extended length of 23.06 inches, this lift support matches the specified application for 1992-1996 Jaguar XJS models. This part number 6439 also cross-references AMS Automotive 6439 for the same application.

Common Problems This Part Addresses

  • Trunk lid that drops after being opened
  • Weak or inconsistent rear lid support
  • Slow or uneven trunk opening
  • Difficulty keeping the trunk lid raised during loading or unloading
  • Wear-related loss of gas pressure in the original support

Installation Notes and Tips

Compatible With 1992-1996 Jaguar XJS trunk lid applications. Verify the 10mm ball socket end style and overall length before installation. For balanced operation and even support, replace lift supports in pairs on the vehicle. Confirm the mounting points are clean and free of damage before attaching the new support.

Quality Assurance

StrongArm lift supports are custom engineered and manufactured beyond industry standards to deliver smoother operation and longer service life. Part number 6439 is built to meet the demands of the Jaguar XJS rear compartment application with consistent support and controlled movement.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1996JaguarXJSN/A—
1995JaguarXJSN/A—
1994JaguarXJSN/A—
1993JaguarXJSN/A—
1992JaguarXJSN/A—
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6439819-6342BDC4279C6439E96439SG266002