1.4W5739 engine bearing 2.high wearing resistance 3.high anti-pressure 4.best quality and attractive price . 4W5739 engine bearing for caterpillar Remark : Products:Main Bearing, Con Rod Bearing, Bushes, thrust washers Flange BearingProduct sample232-3233, 217-0390, 4W5492, 4W5739, 9Y7735, 9Y9497,5149572, 8N8220, 4W5738, 5149572(FP)MaterialCupb24sn, Alsn20Cu, AlSn8-10Cu etcTreatmentsThree-element ...