Inside diameter of both ends will be 1 15/16 " inches
This will be item number 1 in the Winco drawing and REF # 1 in the parts Winco list
and to confirm the type of fan hub you have and the position of the hub on the pump shaft for proper fan belt alignment
Make sure you purchase the copper sealing washers also as they are not included with the Union Plug (part number 352-29370)
It is recommended by the factory that all injectors get replaced when changing out injectors
624-20740 Inlet manifold joint/gasket, DWS Lister Petter engine. Part number 32A30-00201 is also associated with this gasket 125CA Inside diameter of both ends624 20740 Inlet manifold gasket used in the DWS Lister Petter engines. Part number 32A30 00201 is also associated with this inlet manifold 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