180 Degree Thermostat Kit | Sierra 18-3666

180 degree thermostat kit used on various Volvo AQ model marine engines.

• Fits Volvo Penta AQ120B engines from 1977 to 1980
• Fits Volvo Penta AQ140A engines from 1975 to 1979
• Fits Volvo Penta AQ145A and AQ145B engines from 1979 to 1985
• Fits Volvo Penta AQ171A and AQ171C engines from 1986 to 1989
• Fits Volvo Penta 230A and 230C engines from 1989 to 1993
• Kit includes 180 degree thermostat and 18-2933 sealing ring
• Replaces Volvo Penta 875580
• Replaces Mallory 9-43010