Hydro Pump, Hydro Gear / Exmark 103-1942Pack Size:1Exmark 103-1942, Hydro Gear PG-1GNP-DY1X-XXXX, Hydro Gear BDP-10A-414J. Thomas BDP-10A-414, Rotary 11763Exmark Lazer Z HP 6 months parts and labor warranty from date of installation, World leader in lawn and garden industry, Proven performance using patented technology, Guaranteed quality for less, For proper ordering, reference Hydro Gear part number stamped on hydro pump, When ordering and replacing a hydro pump, always replace the wheel motor and lines, flush the tanks and install a new oil filter. Not doing so could cause the hydro pump to fail due to contamination in the system.