Aftermarket Pressure Sensor 274-6721 2746721 For Caterpillar C6.4 320D ExcavatorAftermarket Pressure Sensor 274 6721 2746721 For Caterpillar C6. 4 320D ExcavatorProduct Name: Caterpillar Pressure Sensor OE Number274 6721 2746721 ApplicationCaterpillar Engine 3054E, 3056E,Excavator 311D LRR, 312D, 312D L, 313D, 314D CR, 314D LCR, 315C, 315D L, 318D L, 319D, 319D L, 319D LN, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 32