Product Description
| Model Num | Application | Cylinder | Serial Num | Bore | Rod | Code |
| 521D | LOADER BUCKET (XT) | 87405381 | JEE0135501- | 4.125 | 2.25 | P-UB-10 |
| 621D | LOADER BUCKET (XT) | 87405381 | JEE0135501- | 4.125 | 2.25 | P-UB-10 |
Frequently Asked Questions
Q: What are the specifications for JIC-381101A1?
A: JIC-381101A1 is a SK-P-UB-10-2.250X4.125 seal kit with a 4.125 inch bore and 2.25 inch rod. It fits 521D and 621D loader bucket XT cylinders and is a mid-range bore size in the P-UB-10 series.
Q: Which loaders does JIC-381101A1 fit?
A: JIC-381101A1 is compatible with 521D and 621D loader bucket XT configurations. Both use cylinder 87405381 with serial number JEE0135501-. Cross-reference your model and cylinder ID before ordering.
Q: Is JIC-381101A1 limited to bucket applications only?
A: Based on available data, JIC-381101A1 is specified for loader bucket XT applications on 521D and 621D models. It is not listed for lift configurations. Verify your equipment application matches bucket XT before ordering.
Q: How does JIC-381101A1 compare to other bore sizes?
A: JIC-381101A1 has a 4.125 inch bore, positioning it between JIC-360979A1 (4 inch) and JIC-360982A1 (4.5 inch). All maintain the 2.25 inch rod dimension. Select the kit matching your exact cylinder bore size to ensure proper fitment and sealing.
Q: Do JIC-381101A1 and JIC-360979A1 both fit 621D loaders?
A: JIC-381101A1 is specified for 621D bucket XT cylinders (87405381). JIC-360982A1 also fits 621D but for larger bore applications. JIC-360979A1 is listed for 521D models. Verify your exact model and cylinder bore before ordering.