StrongArm 4320 Back Glass Lift Support

Back Glass Lift Support for Pathfinder and QX4

Restore controlled rear glass operation with this StrongArm back glass lift support, part number 4320. It is a specific-fit gas strut engineered for the rear window glass on select Nissan Pathfinder and INFINITI QX4 models, with dimensions and end fittings matched to the application.

• Specific-fit back glass lift support for rear window glass applications
• Extended length: 18.91 in.; compressed length: 13.01 in.
• Stroke length: 5.9 in. for smooth opening and closing travel
• Maximum force rating: 42.0
• Black steel outer cylinder with rubber and Teflon materials
• End fittings: 10 mm nylon ball socket and blade end with .415 in. hole

Application Details

StrongArm 4320 is built for rear glass support on 1996-1999 Nissan Pathfinder and 1997-1999 INFINITI QX4 vehicles, with fitment listed through 12/1998 for both models. This part cross-references Monroe Shocks & Struts 172286 for the same application. The StrongArm 4320 is also referenced by interchange part numbers including 510-802 and 900140.

Common Problems It Can Address

• Rear glass that drops instead of staying open
• Weak or inconsistent lift support pressure
• Hatch glass that opens with reduced control
• Noise or binding during rear window movement
• Loss of support caused by worn gas strut seals

Installation Notes

Verify the end fittings and measurements before installation to confirm the correct rear glass lift support for your vehicle. Replace the support in pairs when servicing the rear glass system so the lift action remains balanced and consistent. Confirm the vehicle build date, since Pathfinder and QX4 fitment is listed to 12/1998.

Quality Assurance

StrongArm states that each lift support is custom engineered and manufactured beyond industry standards for smoother operation and longer service life. Part number 4320 is built as a specific-fit replacement for the listed Nissan Pathfinder and INFINITI QX4 rear glass applications.