This is a A-121576C1 Voltage Regulator (12 Volt) PN: 121576C1Main Description As Following : A-121576C1 Voltage Regulator (12 Volt) P.N: 121576C1 A-121576C1 Voltage Regulator (12 Volt) P.N: 121576C1 Stocked As: A-21A614 Found in Section & Models : Ignition & Electrical Parts > Ignition & Related Parts, Case-IH TRACTOR: CUB 154 LO-BOY Associated Items : New Also A-IH-O-CUB154, A-IH-P-154ATTCH, A-IH-P-154184, A-IH-S-154184 And : High Quality Afternaket Shipped from Both US and Canada