Roscoe. or other mechs.need help

[tomcatcain]

Thanks ,have a 1998 120 force.Ordered thermostat 130 deg.which I removed from motor.Part # 18-3553.this thermo is half the size I removed ,Do you know what part # is to what I need?Called around ,found a couple the same size but 1 was 110 degree the other 145 degree ,HELP!!!

 

[eurolarva]

Re: Roscoe. or other mechs.need help

Mercury part number for the 130 degree is F664068. I see the part 18-3553 part that iboats sells however all other marine parts sites only list the merc number

 

[tomcatcain]

Re: Roscoe. or other mechs.need help

Thanks Eurolarva,I got a 18-3559 which is the same size ,but it is a 110 degree,I boat at southern coast in N.C.Will this one work or will it cause the motor to run too cool?? Thanks !!