Description
SIERRA 180°F Volvo Penta Thermostat Kit – 18-3666
The SIERRA 180°F Volvo Penta Thermostat Kit – 18-3666 is a marine cooling-system replacement component designed for Volvo Penta sterndrive engines using OEM thermostat kit 875580. Its 180°F (82°C) operating rating helps the engine reach and maintain the intended cooling-system temperature. It is a fit-specific service part; confirm the engine model, serial range, cooling configuration, and OEM interchange before installation.
- Designed for Volvo Penta sterndrive engines using OEM thermostat kit 875580
- Thermostat temperature rating: 180°F (82°C)
- Service kit groups the thermostat and/or required sealing components for cooling-system maintenance
- Helps restore correct engine warm-up and operating-temperature control
- Fit-specific design reduces guesswork during scheduled cooling-system service
Specifications
- Manufacturer: Sierra
- Part Number: 18-3666
- Product Type: Thermostat Kit
- Application: Volvo Penta sterndrive engines using OEM thermostat kit 875580
- Temperature Rating: 180°F (82°C)
- OEM / Aftermarket Interchange: Volvo Penta 875580, 875580-3; Mallory 9-43010
- UPC: 030999316295

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