New Aftermarket Bearing Cup Caterpillar 1B3978 Fit For 518, 518C, 527, 528
Application: For Caterpillar
518, 518C, 527, 528, 528B, 530B, 589, 631D, 631E, 631G, 633E, 637D, 637E, 637G, 639D, 657, 657B, 666, 910, 910E, 916, 918F, 920, 924F, 924G, 924GZ, 924H, 924HZ, 924K, 928G, 928H, 928HZ, 930, 930G
Replace Caterpillar OEM# 1B3978