288704-00 Bypass hose, used on the 3400 series Hercules Gas and Diesel engines also used on the D198 series engine. thermostat this is a very common

this is a very common mistake when trying to fix oil leaks

this part was used through out the Lister Petter line of engines

these were used in the Lister Petter 8

51mm thickness

288704-00 Bypass hose, used on the 3400 series Hercules Gas and Diesel engines also used on the D198 series engine. thermostat this is a very common288704 00 Bypass hose used on the Hercules D3400 and G3400 and the D198. White industrial engines. This will be item number 15 in the Hercules drawing. The large opening measures 15 16 of an inch and the smaller opening measures 5 8 of an inch. NSN 4720 00 977 0316 This hose does not fit a 2300 series engine, that will be a different part.