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

BC

Models This Part Fits:

322B, 322BL, 322C, 325B, 325BL, 330B, 330BL, 345B, 345BL, 350, 350L

Reference Numbers:

1163649, 1163649-A, 1680759, 1680759-A, 2159990, 2159990-A, HYI40-0332