THIS IS A REPLACEMENT HYDRAULIC WHEEL MOTOR. IT REPLACES PART NUMBERS 483388 AND BME2-200-WS-T-3B. FITS MOST LH RH SCAG V-RIDES. PLEASE CHECK YOUR MODEL NUMBER TO SEE IF THIS WILL WORK FOR YOUR MACHINE. 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. THIS WOULD NOT BE COVERED UNDER OUR 90 DAY WARRANTY.