Thermostat 8M0162139 is for 175-300hp and 450R 3.4L V6 and 4.6L V8 4-stroke outboards. Calibrated for proper cooling system temperature response to deliver peak engine performance and highest efficiency. Constructed from corrosion-resistant stainless steel with a self-cleaning design to flush through contaminants.
- 140°F thermostat for select 175-300hp and 450R 4-stroke outboards
- Corrosion-resistant stainless steel delivers increased service life
- Self-cleaning design allows cooling system contaminants to flush through
- Calibrated for peak engine performance and efficiency
- Easy to replace with common tools
