142 Degree Thermostat Kit | Sierra 18-3646

142 degree thermostat kit designed to fit many different Mercruiser raw water cooled marine engines.

• Fits Mercruiser model 215 Ford 302 CID raw water cooled engines from 1971 to 1972 with serial number range 3040411 to 3385720
• Fits Mercruiser model 228 GM 305 CID raw water cooled engines from 1977 to 1980 with serial number range 4765100 to 5907057
• Fits Mercruiser model 255 GM 350 CID raw water cooled engines from 1975 to 1980 with serial number range 4175500 to 5907057
• Fits Mercruiser model 260 MIE GM 350 CID raw water cooled engines with serial number range 0B522506 to 0F024999
• Fits Mercruiser 7.4 MIE GM 454 CID raw water cooled engines from 1988 to 1992 with serial number 0B788366 to D715493
• Kit includes 18-3551 142 degree thermostat, 18-2917 housing gasket, 18-2844 cover gasket, 18-2553 cover gasket and 18-2834 cover gasket
• Replaces Mercury 807252Q3
• Replaces Mallory 9-43151