Quicksilver Thermostat 140 Degree Mercury 175-300HP 3.4L & 4.6L 4-Stroke Outboards 8M0162139
Thermostat 8M0162139 is for 175-300hp and 450R 3.4L V6 and 4.6L V8 4-stroke outboards (serial No. 2B529482 & above). It is a 140-degree Fahrenheit thermostat. Thermostat only. Additional seals or gaskets may be required. See your owner's manual or service manual for more information.
- 140 F degree thermostat for select 175 hp through 300 hp and 450R 3.4L V6 and 4.6L V8 4-stroke outboards (s/n: 2B529482 & above)
- Easy to replace with common tools. See your owner's manual for removal of non-functioning thermostat and replacement of new thermostat.
- Corrosion-resistant stainless steel delivers increased service life.
- Self-cleaning design allows cooling system contaminants to flush through closing surfaces.
- Calibrated for proper cooling system temperature response to deliver peak engine performance and highest efficiency.