Replacement raw water and cooling water hoses for earlier Vetus Diesel 2-cylinder M-Series engines - for engines without the black water-cooled engine cover (M3.09 & M3.28).
Hoses available are:
STM6247 - raw water hose: sea water pump to heat exchanger
STM6124 - heat exchanger injection bend hose
STM6178 - coolant hose: circulation pump to heat exchanger
STM6138 - thermostat hose
STM1027 - heat exchanger filler neck / cap drain hose
