Parts catalog Ecu Komatsu: 23710-FT860 ECU #1, K21 TORQFLOW (SCREW DOWN LPG FUEL PRESSURE SENSOR) Komatsu 23710-GU21A ECU, K21 TORQFLOW (SCREW IN LPG FUEL PRESSURE SENSOR) Komatsu 37B-1DT-3220 ECU, K21 CLUTCH (SCREW DOWN LPG FUEL PRESSURE SENSOR) Komatsu 37B-1DT-3222 ECU #2 (MANUAL DRIVE W/ SCREW-IN FUEL PRESS. SENSOR) Komatsu 37B-1DT-3223 ECU, K21 CLUTCH (SCREW IN LPG FUEL PRESSURE SENSOR) Komatsu 37B-1DT-3250 ECU, K25 TORQFLOW (SCREW DOWN LPG FUEL PRESSURE SENSOR) Komatsu 37B-1DT-3252 ECU, K25 TORQFLOW (SCREW IN LPG FUEL PRESSURE SENSOR) Komatsu YM129E20-75170 ECU, ASSEMBLY Komatsu YM129E22-75250 ECU, ASSEMBLY Komatsu :