Part Number: 99155T1
Thermostat 991551T1 is L98for 1998 and newer MerCruiser marinized V-6 and V-8 engines made by General Motors using closed cooling systems and requiring the use of the 160 F degree thermostat. The kit includes the thermostat and seal.
- Easy to replace with common tools. See your owner's manual for removal of non-functioning thermostat and replacement of new thermostat.
- 160 F degree thermostat and seal.
- Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive