Description
SIERRA 142°F MerCruiser Thermostat Kit – 18-3651
The SIERRA 142°F MerCruiser Thermostat Kit – 18-3651 is a marine cooling-system replacement component designed for MerCruiser sterndrive cooling systems using Sierra 18-3651. Its 142°F (61°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 MerCruiser sterndrive cooling systems using Sierra 18-3651
- Thermostat temperature rating: 142°F (61°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: 18-3651
- Product Type: Thermostat Kit
- Application: MerCruiser sterndrive cooling systems using Sierra 18-3651
- Temperature Rating: 142°F (61°C)
- OEM / Aftermarket Interchange: GLM 13380; Mallory 9-43152
- UPC: 030999316158
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