Thermostats

Yamaha & Honda 9.9-200hp Thermostat - 50 Degrees (OST6E5)

Yamaha & Honda 9.9-200hp Thermostat - 50 Degre

$42.70

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Evinrude Johnson 9.5-235hp Thermostat - 143 Degrees Fahrenheit (OST500)

Evinrude Johnson 9.5-235hp Thermostat - 143 Degree

$40.86

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Yamaha, Mercury Mariner & Honda 4hp-225hp Thermostat - 60 Degrees (OST6G8)

Yamaha, Mercury Mariner & Honda 4hp-225hp Ther

$46.97

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Evinrude E-TEC 25-200hp Thermostat & Gasket Kit (OSTK10)

Evinrude E-TEC 25-200hp Thermostat & Gasket Ki

$37.87

Mercury Mariner & Tohatsu 2.5-30hp Thermostat - 52 Degrees (OST804)

Mercury Mariner & Tohatsu 2.5-30hp Thermostat

$38.90

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Mercury Mariner 6-200hp Thermostat - 120 Degrees Fahrenheit (OST145)

Mercury Mariner 6-200hp Thermostat - 120 Degrees F

$44.95

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Yamaha & Suzuki 90-250hp Thermostat - 50 Degrees (OST60V)

Yamaha & Suzuki 90-250hp Thermostat - 50 Degre

$53.86

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Evinrude Johnson 6-50hp Thermostat & Seal (OST433)

Evinrude Johnson 6-50hp Thermostat & Seal (OST

$53.67

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Evinrude Johnson 90-175hp Thermostat - 143 Degrees Fahrenheit (OST435)

Evinrude Johnson 90-175hp Thermostat - 143 Degrees

$43.49

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Honda 25-130hp Thermostat - 72 Degrees (OSTZV5)

Honda 25-130hp Thermostat - 72 Degrees (OSTZV5)

$38.81

Mercury Mariner 40-60hp Thermostat - 110 Degrees Fahrenheit (OST850)

Mercury Mariner 40-60hp Thermostat - 110 Degrees F

$59.59

Mercury Mariner OptiMax 75-175hp Thermostat - 143 Degrees Fahrenheit x 4 (OST003M)

Mercury Mariner OptiMax 75-175hp Thermostat - 143

$134.39

Yamaha & Suzuki 70-300hp Thermostat - 60 Degrees (OST67F)

Yamaha & Suzuki 70-300hp Thermostat - 60 Degre

$55.86

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Yamaha 75-200hp Thermostat Housing (OSTH688)

Yamaha 75-200hp Thermostat Housing (OSTH688)

$19.80

Yamaha 9.9-15hp Thermostat & Gasket Kit (OSTK9)

Yamaha 9.9-15hp Thermostat & Gasket Kit (OSTK9

$46.60

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Yamaha, Mercury Mariner & Honda 4hp-225hp Thermostat - 60 Degrees x 4 (OST6G8M)

Yamaha, Mercury Mariner & Honda 4hp-225hp Ther

$169.10

Mercury Mariner & Tohatsu 2.5-30hp Thermostat - 52 Degrees x 4 (OST804M)

Mercury Mariner & Tohatsu 2.5-30hp Thermostat

$140.05

Mercury Mariner & Tohatsu 25-30hp Thermostat & Gasket Kit (OSTK6)

Mercury Mariner & Tohatsu 25-30hp Thermostat &

$42.80

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Mercury Mariner 75-150hp Thermostat - 120 Degrees Fahrenheit (OST892)

Mercury Mariner 75-150hp Thermostat - 120 Degrees

$89.83

Mercury Mariner OptiMax 75-175hp Thermostat - 143 Degrees Fahrenheit (OST003)

Mercury Mariner OptiMax 75-175hp Thermostat - 143

$37.33

Suzuki 9.9-60hp Thermostat - 60 Degrees (OST955)

Suzuki 9.9-60hp Thermostat - 60 Degrees (OST955)

$51.70

Yamaha 115-130hp Thermostat - 60 Degrees (OST6EK)

Yamaha 115-130hp Thermostat - 60 Degrees (OST6EK)

$53.15

Yamaha 9.9-15hp Thermostat Housing (OSTH682)

Yamaha 9.9-15hp Thermostat Housing (OSTH682)

$18.84

Evinrude Johnson & E-TEC 40-175hp Thermostat Cover (OSTC338)

Evinrude Johnson & E-TEC 40-175hp Thermostat C

$28.54

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1 Related Content Found

If I were to ask you what the five most important things to check when servicing an outboard were most would rate a thermostat pretty low and some, in fact, wouldn’t even rate it. We are trained to think that the heart of the cooling system is the water pump and it should be checked and changed annually, and this is correct, but if the water pump ...

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