StrongArm 6418 Trunk Lid Lift Support

Brand StrongArm 6418
Compressed Length 8.17
Cylinder Outside Diameter 19.0
End 1 Type Ball Socket (Nylon) 10mm
End 2 Type Ball Socket (Nylon) 10mm
Extended Length 11.67
Inner Shaft Diameter 8.0
Internal Rebound Spring No
Materials Rubber
Materials Teflon
Maximum Force 100.0
Outer Cylinder Color Black
Outer Cylinder Material Steel
Stroke Length 3.5
Universal Or Specific Fit Specific
Fits INFINITI · 4 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 6418, 819-8125 and 84430-2J000 for the same application. See all 8.

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Trunk Lid Lift Support for Infiniti G20

Restore smooth trunk operation with this StrongArm trunk lid lift support, part number 6418. It is a specific-fit replacement for 1999-2002 INFINITI G20 models and uses pressurized cylinder construction to help maintain steady trunk lid support during opening and closing.

Key Features

  • Specific-fit trunk lid lift support for 1999-2002 INFINITI G20
  • StrongArm part number 6418 for direct application matching
  • Black steel outer cylinder with rubber and Teflon materials
  • Ball socket (nylon) 10mm ends on both sides
  • Compressed length: 8.17 in; extended length: 11.67 in
  • Stroke length: 3.5 in with maximum force rated at 100.0
  • Custom engineered for smoother operation and longer service life

Detailed Description

StrongArm 6418 is a trunk lid lift support built for the 1999, 2000, 2001, and 2002 INFINITI G20. This pressurized cylinder helps control trunk lid movement, providing consistent lift and controlled lowering for everyday use. The specific-fit design, 10mm nylon ball socket ends, and steel cylinder construction support accurate replacement fitment for the G20 trunk lid application.

This part cross-references AMS Automotive 6418 for the same application. It also cross-references OE-style numbers such as 84430-2J000 for the same vehicle fitment. If you are searching for a 1999-2002 Infiniti G20 trunk lid lift support or StrongArm 6418 replacement, this part matches that application.

Common Issues This Part Can Address

  • Trunk lid that drops too quickly when opened
  • Weak or inconsistent trunk support
  • Trunk lid that will not stay open reliably
  • Reduced lift assist from worn gas struts
  • Rough or uneven trunk lid movement

Installation Notes and Tips

Verify the end fittings and compressed/extended lengths before installation to confirm match with the existing support. Replace lift supports in pairs to maintain balanced trunk lid operation and consistent support. Compare the ball socket style and mounting points on the vehicle before removing the old unit.

Quality Assurance

StrongArm lift supports are custom engineered and manufactured beyond industry standards to support smoother operation and durable performance in automotive applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2002INFINITIG20N/A
2001INFINITIG20N/A
2000INFINITIG20N/A
1999INFINITIG20N/A
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6418819-812584430-2J00084430-2J010E6418E96418SG471001SG471002