18-3569 Thermostat Kit for Mercury/Mariner Outboard Motors
Complete Your Purchase
Running at the optimum temperature maximizes performance.
A failed or failing thermostat can cause an engine to run outside of its optimum temperature range and adversely affect performance and efficiency. Running at the right temperature can be as simple as replacing the thermostat. Sierra makes sourcing parts for the job easy by packaging the thermostat, gaskets and seal in a kit for an easy out the box installation. Each Sierra part is engineered to meet or exceed Mercury specifications to assure boaters and technicians it will fit right the first time and restore function to OEM specifications.
Key Features
- Thermostat meets or exceeds manufacturer specifications
- Temperature rating of 120°F (49°C)
- Complete kit includes thermostat, gasket and seal to eliminate time spent sourcing individual parts
Compatibility Table
| Horsepower Rating | Serial Number Range |
|---|---|
| 70 | 0A996142 & UP |
| 75 | 0C222000 & UP |
| 80 | 0A996142 & UP |
| 90 | 0A996142 & UP |
| 100 | 0B209468 THRU 0G965520 |
| 115 | 0C100000 & UP |
| 125 | 0D283222 & UP |
18-3569 Application Guide
| Application | OEM Part Number |
|---|---|
| GLM | 13124 |
| Mallory | 9-43155 |
| Mercury Marine | 803061T1 |
The Sierra Engine Parts Selector
In addition to thermostat kits, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.
