624-20940 Thermostat housing gasket used in the DWS Lister Petter engines. Part number 34A46-05300 is also associated with this hermostat housing gasket, under a different brand name and model number, but same OEM gasket. Same gasket 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 in in several brands of forklifts. Clark forklifts, Caterpillar forklifts, and Mitsubishi forklifts.
This will be item number 12 in the Lister Petter drawing, and item number 10 in the second drawing.