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 haveQuicksilver OEM Brand Item:QS-807252T5CLICK HERE