1764914 Bucket Cylinder Seal Kit Fits CAT Fits Caterpillar 320B-325BLOne New Aftermarket Replacement Bucket Cylinder Seal Kit Fits Caterpillar (Fits CAT) Excavators This aftermarket replacement bucket cylinder seal kit restores hydraulic integrity to the bucket cylinder (Cylinder GP Bucket, cylinder number 123 2044) on Fits Caterpillar mid size excavators. The kit services both the rod and bore, replacing worn seals that cause fluid leaks and loss of bucket curl force. Compatible with 90 mm rod and 130 mm bore