Gasket Thermostat | Sierra 18-2831

Gasket Thermostat | Sierra 18-2831

Thermostat Gasket | Sierra 18-2831

SIERRA Thermostat Gasket 18-2831

• Thermostat Gasket
• For Mercruiser stern drives
• Replaces Mercury Marine 27-47590-1, 27-475901
• Replaces Mallory 9-60012