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Thermostat 160 Degree Kit With All Gaskets Sierra® OEM Brand 18-3647

$38.89 $48.89


160 degree thermostat kit fits many different Mercruiser closed cooled marine engines.

  • Fits Mercruiser 3.0L 184 CID fresh water cooled engines from 1990 to 2010 with serial number range C856559 & up
  • Fits Mercruiser 3.0L 181CID fresh water cooled engines from 2008 to 2010 with serial number range A072812 & up
  • Fits Mercruiser 4.3L 262 V-6 fresh water cooled engines from 1996 to 1997 with serial number range 0F803800 to OK999999
  • Fits Mercruiser 230 GM 5.0L fresh water cooled engines with serial number range 0B525982 to 0F600999
  • Fits Mercruiser 260 GM 350 CID fresh water cooled engines with serial number range 0B525982 to 0F600999
  • Kit includes 18-3649 160 degree thermostat,18-2844 cover gasket, 18-2552 cover gasket, 18-2553 cover gasket, 18-7173 o-ring, 18-2917 housing gasket
  • Replaces Mercury 807252Q5, 807252T5
  • Replaces Mallory 9-43157

    We also have Quicksilver OEM Brand Item: QS-807252T5 CLICK HERE