Description
SIERRA 144°F Thermostat with Housing for Mercury Verado 135-300 HP – 18-3631
The SIERRA 144°F Thermostat with Housing for Mercury Verado 135-300 HP – 18-3631 is a marine cooling-system replacement component designed for Mercury Verado 135-300 HP outboards. Its 144°F (62°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 Mercury Verado 135-300 HP outboards
- Thermostat temperature rating: 144°F (62°C)
- Helps regulate coolant flow as the engine reaches operating temperature
- Direct-fit replacement for the specified marine engine applications
- Suitable for preventive maintenance or replacement of a sticking/corroded thermostat
Specifications
- Manufacturer: Sierra
- Part Number: 18-3631
- Product Type: Thermostat with Housing
- Application: Mercury Verado 135-300 HP outboards
- Temperature Rating: 144°F (62°C)
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