624-20950 Bypass hose, water pump, DWS Lister Petter engine. ST1 This will be item number

This will be item number 7 in the Lister Petter TX parts drawing

Red wire is 12 volt positive

this kit fixes past problems with blown head gaskets

You need to order the gasket for the lift pump also

624-20950 Bypass hose, water pump, DWS Lister Petter engine. ST1 This will be item number624 20950 Water pump bypass hose, used in the DWS Lister Petter engines. Part number 32A46 00900 is also associated with this hose, under a different brand name and model number, but same OEM hose. Same hose for Turbo and Non turbo engines. The DWS model engine was also used in the SDMO T25C2M, T30U, and the TM30 line of generators, and in the Armstronl LP30 generators, this engine was also used in Caterpiller equipment from skidsteers to excavators