Aftermarket Johnson / Evinrude Outboard 377178 Impeller
The Sierra 18-7481 O-Ring is designed to restore water-pump output and maintain cooling-water flow through the engine in Johnson / Evinrude applications. It replaces Johnson / Evinrude 324981.
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-7481?
Sierra 18-7481 is an aftermarket o-ring for Johnson / Evinrude Outboard applications.
Which part numbers cross-reference Sierra 18-7481?
This listing cross-references GLM 86570, Johnson / Evinrude 324981 and Mallory 9-43632. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-7481 fits my Johnson / Evinrude Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.