Measure the length of the fully extended gas prop
from center of ball cap to center of ball cap.
Use the chart below to get an estimate of the force required for your application.
Locate the length & force of your prop to select
the right replacement.
Example: Length is 14” and Force is 40 pounds or 175-185 newtons select prop 9.
Note: If there are 2 props, replace them both to keep door lift balanced.