One New Aftermarket Replacement Seal Kit that Fits Caterpillar Excavator Stick Models: 322C (SN: CBY1-UP), 322B, 322BL, 325B, 325BL, 330B, 330BL, 345B, 345BL (All Cyl #: 1163638)
Fits Caterpillar Excavator Bucket Models: 345B, 345BL (Both Cyl #: 1297835)
Fits Caterpillar Excavator Material Handler Models: 345B, 345BL (Both Cyl #: 1504125)
Fits Caterpillar Excavator Boom Models: 350, 350L (Both Cyl #: 4I1515)
Rod: 110mm, Bore: 170mm.
Replaces Part Number: HYI40-0332, 1680759, 2159990
Models This Part Fits:
322B, 322BL, 322C, 325B, 325BL, 330B, 330BL, 345B, 345BL, 350, 350L