TT/Living Room Black 1 1/2" Bore, 36 9/16" Stroke, 1 3/4" OD , 64 31/32" OAL, 5/8" Rod. The original design manufactured for any Fleetwood travel trailer that has the Hydra Slide hydraulic system that operate to move the living room in and out, approximately 36 1/2''. NOTE this cylinder is usually used with 141625-36H when the two cylinders are used to operate the room slide. To operate properly the cylinders must be of different bore size. The total length of the cylinder is measured from the center of the mounting hole at the rear, to the tip of the rod, and will be slightly less than 65”. The outside diameter of the cylinder body is 1 3/4”, while the rod diameter is 5/8”. The color of the cylinder is to help identify the correct part number, and this cylinder color should be BLACK.