Thermostat Kit – Fits OMC Cobra & Volvo Penta 4.3L-5.8L V6/V8 (Replaces 383307, 18-3653, 3856961) 330HP Check your pump model number

Check your pump model number against the list below

The most common sign is gear lube leaking from the upper drive housing

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Using a clear label helps prevent accidental fueling mix-ups

Thermostat Kit – Fits OMC Cobra & Volvo Penta 4.3L-5.8L V6/V8 (Replaces 383307, 18-3653, 3856961) 330HP Check your pump model numberProduct Details This Thermostat Kit Fits OMC Cobra & Volvo Penta 4. 3L 5. 8L V6 V8 (Replaces 383307, 18 3653, 3856961) is a 160F thermostat kit designed for a wide range of OMC Cobra and Volvo Penta sterndrive applications. It is engineered for V6 and V8 engines from 3. 8L to 7. 5L, covering models manufactured from the 1970s through the 1990s. This kit serves as a direct replacement for OMC part numbers 379754, 383307, and 3856961; Sierra 18 3653 and