2478790 Seal Kit Fits Caterpillar Models
2478790 Seal Kit Fits Caterpillar Models
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One New Aftermarket Replacement Bucket Cylinder Seal Kit for Caterpillar (Cat) Excavators
This hydraulic bucket cylinder seal kit replaces Caterpillar OEM part number 2478790 (also formatted as 247-8790). It is designed for the bucket cylinder (cylinder no. 2426767) on Cat excavators across the 320 through 345 series, sealing the hydraulic cylinder to prevent fluid leakage and maintain full bucket cylinder performance. The kit fits a cylinder with an 85 mm rod diameter and 120 mm bore diameter.
Specifications
- Rod Diameter: 85 mm
- Bore Diameter: 120 mm
- Cylinder Application: Bucket cylinder (Caterpillar cylinder no. 2426767)
- Weight: approximately 0.44 - 0.6 lbs
Compatible Models
Caterpillar Excavators: 320C, 320D, 320D FM, 320D FM RR, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D L, 323D LN, 323D SA, 323E L, 324D L, 325D, 325D L, 330D, 330D L, 336D L, 345C L, E330D
Serial Number Restrictions (330D Bucket): ERN1-UP; THJ1-UP
Serial Number Restrictions (325D L Bucket): GBR1-UP; GPB1-UP; MCL1-UP; PKE1-UP
Replaces Part Number(s):
2478790, 247-8790
Aftermarket Interchange Numbers
CTC-2478790 (Hercules), SK-P-UB-10-85x120
New aftermarket replacement part - not remanufactured, not used.
