Thermostat Kit – Fits Volvo Penta 4.3L-8.2L, OMC Cobra 4.3L-5.8L (Replaces 0769578, 3853983, 3852111, 0986506) 130-420HP Reinstall the lower unit and

Reinstall the lower unit and test the engine in water

Does this fit both V6 and inline Yamaha engines

What is the small metal piece included in the package

Water Seal (663-44366-00-00 / 663-44366-01-00)

9 HP up to 2004

Thermostat Kit – Fits Volvo Penta 4.3L-8.2L, OMC Cobra 4.3L-5.8L (Replaces 0769578, 3853983, 3852111, 0986506) 130-420HP Reinstall the lower unit andProduct Details This Thermostat Kit Fits Volvo Penta 4. 3L, 5. 0L, 5. 7L, 7. 4L, 8. 1L is designed for a wide range of gasoline marine engines. It is compatible with Volvo Penta 4. 3L, 5. 0L, 5. 7L V6 and 7. 4L, 8. 1L, 8. 2L V8 models from 1994 to current, as well as OMC Cobra 4. 3L, 5. 0L, 5. 7L, and 5. 8L engines from 19941998. It serves as a direct replacement for Volvo Penta part numbers 0769578 and 3853983; OMC 0986506 and 3853983; and Sierra 18