Engine Interface Module Eim Plus PCB 650-044 is a type of engine interface control model for diesel engine. Model description 630-088 EIM (PREVIOUSLY 630-465) Interface 630-465 for genset OLYMPIAN-MASSEY FERGUSON 12 V 630-089 EIM (PREVIOUSLY 630-466) Interface 630-466 for genset OLYMPIAN-MASSEY FERGUSON 24 V