624-20930 Thermostat housing, DWS Lister Petter engine. Part number 32A46-02050 is also associated with this gasket624 20930 Thermostat housing, used in the DWS Lister Petter engines. Part number 32A46 02050 is also associated with this gasket, under a different brand name and model number, but same OEM part. Same part 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 and