TT / Living Room Blue 1 5/8" Bore, 33 9/16" Stroke, 1 7/8" OD, 64 31/32" OAL, 5/8" Rod / The original design for any Fleetwood travel trailer that has the HYDRA-SLIDE hydraulic system that operates to move the Living Room, in or out, approximately 33 ½”. NOTE: This cylinder is typically used with 141500-33H when 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 7/8”, 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 BLUE.