Aftermarket Johnson / Evinrude Outboard Thermostat
The Sierra 18-3346 Cup & Plate Assembly forms part of the applicable cooling-water path or water-pump assembly in Johnson / Evinrude applications. It replaces Johnson / Evinrude 435027.
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-3346?
Sierra 18-3346 is an aftermarket cup & plate assembly for Johnson / Evinrude Outboard applications.
Which part numbers cross-reference Sierra 18-3346?
This listing cross-references GLM 12880 and Johnson / Evinrude 435027. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-3346 fits my Johnson / Evinrude Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.