If 850 Series (1999-2005) or if Pump 1 is 2-speed, use 6600-730 as a replacement.If 880 Series (2005-2010) or if Pump 1 is 1-speed, use 6600-728 as a replacement.
 J-300 LCD Series
 2002-2006
 J-370/J-375, J-360/J-365, J-350/J-355