Thermostat - Mercruiser V6-V8 w/ Dry Joint Exh
4.3L - 6.2L with Dry Joint Exhaust and Closed Cooling
May fit additional models to those listed above. Please DO NOT order based solely on application info above. You MUST compare the number of the part for your engine to those listed below to ensure correct fitment of this part for your application! Failure to order this way will likely lead to the wrong part being ordered!
Replaces 864493, 18-43015