Description
The Sierra 18-3500 Thermostat is designed for Johnson and Evinrude outboard applications and features a 140° temperature rating to support proper engine operating temperature control. Built for use with 3-cylinder models from 1992 and up as well as 90° Looper engines from 1990 to 1992, it provides reliable thermal regulation for consistent marine engine performance. Each unit is engineered to meet or exceed original equipment specifications, ensuring dependable fit, function, and durability in demanding marine environments. This thermostat is supplied as a single unit per package for straightforward replacement use.
Features
- 140° temperature rating designed to maintain proper engine operating temperature control
- Compatible with Johnson and Evinrude 3-cylinder (1992 and up) and 90° Looper (1990 to 1992) applications
- Engineered to meet or exceed original equipment performance standards for reliable operation
- Supports consistent engine cooling system regulation for improved marine performance stability
- Single thermostat included per package for direct replacement use
- For Johnson/Evinrude outboards
- Premium quality for longer life
- Meets or exceeds OEM recommended specs.
- Back by Sierra’s Limited lifetime Warrenty.
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