Sierra 18-3618 Thermostat Kit - Raw Water CooledSierra replacement Thermostat Kit for Volvo Penta engines. Sierra marine parts are manufactured to meet or exceed OEM requirements. Temperature Rating: 150F (66C); Fits: Volvo 4.3 (All models) C,D,E,F,G 2002-Current / 5.0 (All models) C,D,E,F,G,H,K 2002-Current; Fits: Volvo 5.7 OSi/OSXi B,C 2001-2003 / 5.7 (All models) D,E,F,G,H,J,K 2002-Current; Kit Includes: (1) 18-3615 Raw Water Thermostat; Replaces Volvo Penta 3587597; (1) 18-2917 Thermostat Housing Gasket;