This video will show you how to rebuild a Sauer Danfoss OPSM Steering Motor. This particular model takes seal kit 15OL4054. Sauer Danfoss also makes three other styles of steering motors, OSPB, OSPC, and OSPF. They all take seal kit 15ON4040. #sauerdanfoss #hydraulic #steeringmotor #carolinahydraulichose