Karl, To save money and time you can match them with replacements from:
Bansbach Easylift of North America, Inc.
50 West Drive
Melbourne, FL 32904
Tel (321) 253-1999
Fax (321) 253-5546

www.easylift.com

You need to know the force, length open and closed. Also tell them the type of end connectors (eyelet, etc.).

-PC