Description
SIERRA 140°F Thermostat for Westerbeke 46097 – 23-3604 is a marine engine cooling thermostat for Westerbeke gasoline generator applications using OE thermostat 46097.
Cataloged fitment includes selected 8.0BEG/6.4, 10.0BEG/8.0, 12.5BEG/10.0 and 15.0BEG/12.0 families. The 140°F rating should be matched to the engine cooling specification.
Key Features
- 140°F (60°C) thermostat rating
- Direct replacement for Westerbeke 46097
- Fits selected 8.0BEG / 6.4 applications
- Fits selected 10.0BEG / 8.0 and 12.5BEG / 10.0 applications
- Fits selected 15.0BEG / 12.0 generator applications
Specifications
- Manufacturer Part Number: 23-3604
- Product Type: Engine thermostat
- Temperature: 140°F / 60°C
- Application: Selected Westerbeke BEG gasoline generators
- OE Reference: Westerbeke 46097
Interchange / Cross Reference
- Westerbeke 46097
Verify generator model and required thermostat temperature before ordering.

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