Quicksilver 8M0109441 Replacement Thermostat for MerCruiser Engines WINTER Fits GM V8 Big Block

Fits GM V8 Big Block 409

Replaces Mercruiser # 23-99291T

The pointer swings a full thirty degrees with each revolution of the wheel

gWind Wireless 2 transducers

Dimensions-29/64" x 48

Quicksilver 8M0109441 Replacement Thermostat for MerCruiser Engines WINTER Fits GM V8 Big BlockThermostat 8M0109441 is for MerCruiser engines made by General Motors with standard cooling systems requiring the use of the 160F thermostat. Product Details Manufacturer part number: 8M0109441 160F thermostat Use only the temperature thermostat listed in your owner's manual or service manual Proper engine cooling temperature ensures peak performance and highest efficiency Easy to replace with common tools See your owner's manual for removal of non