624-20100 Head gasket, DSW Lister Petter engine part number 32A01-12300 is also associated with this gasket624 20100 Cylinder head gasket used in the DSW Lister Petter engines. Part number 32A01 12300 is also associated with this head gasket, under a different brand name and model number, but same gasket. Same gasket for Turbo and Non turbo engines. The DSW model engine was also used in the SDMO T25C2M, T30U, and the TM30 line of generators, this engine was also used in Caterpiller equipment from skidsteers to excavators and in in several brands of