Fortpro Solenoid for 42MT Starters 12V 4 Terminals Compatible with Blue Bird Buses, Mack Trucks, Replacement for Delco 1115593, 1990365, 10478816, 10479279Specifications: Model : SW,SOLENOID Starter Model : 42MT System Voltage : 12 Terminals : 4 CrossReference: Delco: 1115593, 1990365, 10461037, 10478816, 10479279, 1990486, 1990469, 10461063, 10461233, 10479131 Caterpillar: 0R2191, OR4261, 2N2761, 3E7863, 8C3652, 0R2188, 0R4264, 3T2648, 8C3646, 10R0403 Case: 107717A1, 20 2383T91, 20 2384T91, 263819C91 John Deere: RE24305, RE38633, RE41754, RE41756, RE51792, SE501451, TY6728, TYP4006 Mack Truck: 8MJ4267M