Description
SIERRA 160°F Thermostat Kit for MerCruiser 470/485 Engines – 18-3652
The SIERRA 160°F Thermostat Kit for MerCruiser 470/485 Engines – 18-3652 is a marine cooling-system replacement component designed for MerCruiser 470/485 inline-4 applications, including specified 1976-1984 serial ranges. Its 160°F (71°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 470/485 inline-4 applications, including specified 1976-1984 serial ranges
- Thermostat temperature rating: 160°F (71°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
What’s in the Box
- Thermostat cover gasket (18-2555)
- Thermostat cover gasket (18-2843)
- 160°F thermostat (18-3552)
Specifications
- Manufacturer: Sierra
- Part Number: 18-3652
- Product Type: Thermostat Kit
- Application: MerCruiser 470/485 inline-4 applications, including specified 1976-1984 serial ranges
- Temperature Rating: 160°F (71°C)
- OEM / Aftermarket Interchange: MerCruiser 76270; Mercury Marine 27-89656, 27-74830; GLM 13400
- UPC: 030999316165
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