Mercury / MerCruiser 27-89656 Thermostat Gasket

Mercury / MerCruiser 27-89656 is a thermostat gasket for compatible MerCruiser thermostat housing applications. Match the part number to the engine cooling-system diagram and replace the gasket whenever the housing is serviced if the manual requires it.

Mercury / MerCruiser 27-89656 Thermostat Gasket is listed in the Laken Water Sports marine parts catalog for online ordering and Phoenix-area pickup. Confirm fitment, availability, and pickup timing with the parts team before ordering when compatibility is critical.

Fitment notes: Thermostat gasket; verify engine and thermostat housing diagram.