Thermostat Cover Gasket, Yamaha/Mercury

Thermostat Cover Gasket for Yamaha Outboard and Mercury Marine. Replaces Mercury 27-81031, and 27-81031M. Replaces Yamaha 655-12414-00-00, and 655-12414-A1-00. For Yamaha Outboard and Mercury Marine. Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty. Replaces Mercury 27-81031, and 27-81031M Replaces Yamaha 655-12414-00-00, and 655-12414-A1-00 For Yamaha Outboard and Mercury Marine Meets or exceeds manufacturer's recommended specifications Backed by Sierra's limited lifetime warranty