Description

Sierra’s 18-3609 Thermostat Kit is designed for use in Yamaha outboard applications. It is interchangeable with Mallory 9-43038 and 9-43178. The kit contains (1) 18-0829 Cover Gasket and (1) 18-3540 Thermostat. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use in Yamaha outboard applications
Interchangeable with Mallory 9-43038 and 9-43178
Contains (1) 18-0829 Cover Gasket and (1) 18-3540 Thermostat
Temperature Rating: 122°F/50°C
Each Sierra product meets or exceeds the original equipment part it replaces