Looking for some help, I have a 1999 Chaparral 2330 with a Mercruiser 300 HP 350 Magnum, 5.7L, Serial number 0L375277. I am looking for a replacement for the Thermostat Housing to Circulating Pump Hose, part number 32-861590A05. The original has the "easy drain" plug, which is expensive, seems...