Aftermarket Johnson / Evinrude Outboard Thermostat
The Sierra 18-1507 Thermostat Seal is designed to reseal the applicable joint or component during servicing in Johnson / Evinrude applications. It replaces Johnson / Evinrude 335981.
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-1507?
Sierra 18-1507 is an aftermarket thermostat seal for Johnson / Evinrude Outboard applications.
Which part numbers cross-reference Sierra 18-1507?
This listing cross-references Johnson / Evinrude 335981. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-1507 fits my Johnson / Evinrude Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.