142 Degree Thermostat Kit | Sierra 18-3651

142 degree thermostat kit designed to work with many different models of Mercruiser marine engines.

• Fits Mercruiser model 230 Inboard raw water cooled engines with serial number range 590758 to B522505
• Fits Mercruiser model 225 327 V-8 GM raw water cooled engines from 1967 to 1969 with serial number range 2399198 to 2694014
• Fits Mercruiser model 225 Ford raw water cooled engines with serial number range 3385721 & up
• Fits Mercruiser model 260 GM 350 CID raw water cooled engines from 1978 to 1982 with serial number range 4908850 to 6218461
• Fits Mercruiser model 260 GM 350 CID Inboard raw water cooled engines with serial number range B522506 to B525981
• Fits Mercruiser model 898 198 CID GM raw water cooled engines with serial number range 4762210 to 6218461
• Kit includes 18-3551 142 degree thermostat, 18-2554 cover gasket, 18-2553 cover gasket, 18-2834 cover gasket, and 18-2844cover gasket
• Replaces Mallory 9-43152