Thermostat Kit For OMC Cobra Volvo Penta 4.3L 5.0L 5.7L 5.8L V6 V8 Engines, 160 F Temperature Rating, Beefed-Up Replacement For Ford GM Based Drives, Replaces 383307 3856961 778056 307239 312797 Sierra 18-3677

Beefed-Up 160°F Marine Thermostat Kit for V6/V8 Engines
✔️ Fits OMC Cobra Volvo Penta drives; 160°F rating; ready to replace

This Maintenance Thermostat Kit is designed for OMC Cobra and Volvo Penta engine drives. It fits most 4.3L, 5.0L, 5.7L, 5.8L Ford and GM based V6 and V8 engines with a 160°F / 71°C rating, providing a beefed-up replacement option for engine cooling issues.

✅ Fits OMC Cobra and Volvo Penta drives
✅ For most 4.3L, 5.0L, 5.7L, 5.8L Ford/GM V6/V8 engines
✅ Temperature rating 160°F / 71°C
✅ Replaces Thermostat Kit 383307, 3856961, 778056, 307239, 312797, Sierra 18-3677
✅ Volvo notes: small thermostat version; confirm compatibility with your drive

💡 What is a thermostat kit for marine engines and how does a 160°F version affect cooling?

This setup helps keep engine temps stable by regulating coolant flow.

- Maintains coolant flow to regulate engine temperature
- 160°F / 71°C rating supports safe operation in common marine loads
- Compatible with Ford/GM V6/V8 engines and OMC Cobra/Volvo Penta drives
✝️