Sierra Marine Thermostat Kit SIE18-3667 for Mercury Mercruiser 160°
Double-tap and hold to zoom.
Mouse over the image to zoom.

Sierra Marine Thermostat Kit SIE18-3667 for Mercury Mercruiser 160°

Product Code: SIE18-3667

The Sierra Marine Thermostat Kit SIE18-3667 is designed for Mercury Mercruiser engines and maintains a 160° operating temperature. This kit is a direct replacement for Mercury OEM part numbers 99155A1 and 99155T2, ensuring reliable performance for marine cooling systems.

  • Fits Mercury Mercruiser marine engines
  • Replaces Mercury 99155A1 and 99155T2
  • 160° thermostat for optimal engine temperature
  • Quality marine-grade construction
  • Ideal for stern drive cooling systems
  • Suggested Retail Price: $46.99