Thermostat Kit 160°F – Fits OMC Cobra & Volvo Penta 4.3L-5.8L V6/V8 Marine Engines (Replaces 383307, 3856961) family-yamaha-8mlhx then the drain plug

then the drain plug

including Sierra 18-6097

33770 OMC Stern Drive 230 4-Stroke 1973-1990 908013

Compatible with both 2-stroke and 4-stroke Yamaha outboard models

This is an aftermarket replacement part

Thermostat Kit 160°F – Fits OMC Cobra & Volvo Penta 4.3L-5.8L V6/V8 Marine Engines (Replaces 383307, 3856961) family-yamaha-8mlhx then the drain plugThermostat Kit 160F Fits OMC Cobra & Volvo Penta 4. 3L 5. 8L V6 V8 Marine Engines (Replaces 383307, 3856961) This thermostat kit is designed for a wide range of OMC Cobra and Volvo Penta marine engines. It ensures your engine maintains the correct operating temperature for optimal performance and longevity. It is compatible with OMC Cobra V6 and V8 sterndrive models (19691993) and Volvo Penta four stroke V6 V8 engines (4. 3L, 5. 0L, 5. 7L, 5. 8L)