Fits Detroit Series 60 Engine Diesel 12.7L 1998-07 K31 Turbo Turbocharger 172743. For Caterpillar for CAT C12 & Detroit Diesel Series 60 Engine. Turbo Model: K31 K31-4070MPCKA24.92RCAYD. Compressor Inducer Dia: 71.00 mm. Compressor Exducer Dia: 102.00 mm. Compressor Wheel: 7/7 Blades. Turbine Wheel: 12 Blades. Condition: 100% Brand new item. Replace & Part Number. 40-30354 BW, 172743, 0R7084, 0R7292, 0R7574. 0R7575, 0R-7575, 0R7576, 0R7578, 0R7579, 10R0457. 10R-0457, 10R0458, 10R-0458, 10R0759, 10R-0759. 10R1053, 10R-1053, 10R1055, 10R-1055, 10R2027. 14030354-104, 14030354-105, 14030354-106, 14030354-107, 1626495, 1627603, 1649403, 1649490, 1649496. 23522189, 23522190, 23522191, 23522306, 23522312. 23522781,23523040, 23523478, 23524103, 23525462. 23526016, 23526017, 23526271, 23526272,23525464. 23526679, 23526680, 23526681, 23526682, 23526683. 23526684, 23526685, 23526692, 23528052, 23528053. 23528054, 23528055, 23528056, 23528057, 23528058. 23528059, 23528060, 23528062, 23528063, 23528064. 23528065, 23528066, 23528067, 23528069, 23528089. 23528512, 23528530, 23529103, 23529780, 23534440.