Replacement lateral housing for Hay tedders, fits First Choice and Galfre GS Series Hay Tedders, - GS250, GS300, GS400, GS450 and GS520 machines. This housing is located where the basket gears meet and the wheel spindle shaft runs up from the bottom. These are a hard to find item and are OEM supplied! These tedders have a square box housing and a bolt on lid that needs to be removed to expose the gears.  Code 0041GS Lateral Housing