OMC Thermostat Kits

****Remember to order 2   per engine. (V4 & V6) ****

Model

Year

Cyl.

Thermostat or Vernatherm

Thermostat Kit

oe: 435597

597

4-8 HP

1980-Up

2

-

9.5 HP

1964-73

2

-

9.9 / 15 HP 2 and 4 stroke

1974-Up

2

-

20 HP

1966-73

2

-

20 HP

1982-84

2

-

20 HP

1985-Up

2

-

25 HP

1969-78

2

-

25 HP

1979-84

2

-

25 HP

1985-Up

2

-

28 HP

1978-Up

2

-

30 HP

1984-Up

2

-

35 HP

1980-82

2

-

35 HP

1983-Up

2

-

40 HP

1960-70

2

-

40 HP

1984-85

2

-

40 HP

1986-88

2

-

40 HP

1989-97

2

-

48 HP

1987-88

2

-

48 HP

1989-97

2

-

50, 55 HP

1971-78

2

-

50 HP

1979-85

2

-

50 HP

1986-88

2

-

50 HP

1989-96

2

-

55 HP

1979-85

2

-

60 HP

1969-71

3

423

60 HP

1980-85

2

-

60, 65 HP

1985-2000

3

-

65 HP

1971-73

3

423

65 HP

1993

3

-

65C

1984-94

3

423

70, 75 HP

1970-78

3

423

70, 75 HP

1979-94

3

423

85 HP

1973-78

4

2658A

2658S, stainless steel thermostats

88 HP

1979-92

4

2658A

2658S, stainless steel thermostats

90 HP

1979-UP

4

2658A

2658S, stainless steel thermostats

100 HP

1979-92

4

2658A

2658S, stainless steel thermostats

110

1986-92

4

2658A

2658S, stainless steel thermostats

115 HP

1973-76

4

-

115 HP

1977-78

4

2658A

2658S, stainless steel thermostats

115 HP

1979-92

4

2658A

2658S, stainless steel thermostats

135 HP

1973-76

4

-

V-4

1979-92

4

2658A

2658S, stainless steel thermostats

140 HP

1977-78

4

2658A

2658S, stainless steel thermostats

140 HP

1979-92

4

2658A

2658S, stainless steel thermostats

150-175 HP

1977-78

6

N/A

150-175 HP

1979-97

6

2659A

2659S, stainless steel thermostats

200, 235 HP

1979-92

6

2659A

2659S, stainless steel thermostats

V-6

1979-97

6

-

V-8

1985-91

8

-

Sea Drive

1982-94

6

-

Sail Drive

1978-90

6