Thermostat

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Thermostats are located within the cooling system and are responsible for restricting water

Kits-include thermostat and gaskets.

18-3550 Thermostat only (140)Merc 59078 120/2.51, 1971& up, Most 200hp~460TRS

18-3551 Thermostat only (142) Merc 59137 Virtually all Mercuisers, Chrys 4142885 All, Crusader 96319 CH190/220, CH270, CH350

18-3552 Thermostat only (160

Merc 76270 4701976-82

18-3553 Thermostat only

Merc O/B 75692 7.5/9.8 post-1979, 70-115 post-1986, All V-135 and up

18-3554 Thermostat only (160) OMC 383307

All Pre-1982, 3.SL-7.5L Pre-1988

18-3648 Thermostat Kit (160)

Merc 807252-2 Most V-6 (229,262 CID)

18-3650 Thermostat Kit (140)

Merc 59078 GM 4 cyl. Post-1968

18-3651 Thermostat Kit (142)

Merc Most V-8 (327,305,350,427 CID)

18-3652 Thermostat Kit (160)

Merc Most 470, 485 1980-’82

18-3653 Thermostat Kit (160)

OMC All Pre- 1982, 3 ~ 8L-7.5L Pre- 1988

18-3667 Thermostat Kit (160)

Merc 99155AI 4 cyl. 165-170hp 1985286

18-3668 Thermostat Kit (142)

Merc 59137 Most V-6 (229, 262 CID)

18-3670 Thermostat Kit (160)

OMC 120,140hp 1980-’81, 2.5-3.0L 1982288