Product Description
| Model Num | Application | Cylinder | Serial Num | Bore | Rod | Code |
| 821E | LOADER BUCKET (XR) | 87696084 | 8/06- | 6.5 | 3.5 | P-UB-10 |
| 821E | LOADER BUCKET (Z-BAR) | 87337179 | 8/06- | 6.5 | 3.5 | P-UB-10 |
Frequently Asked Questions
Q: What equipment does JIC-87529743 seal kit fit?
A: The JIC-87529743 (M-SK-P-UB-10-3.5x6.5) seal kit is designed for 821E loaders with both XR and Z-BAR bucket cylinders manufactured from August 2006 onward (8/06- serial range).
Q: What are the bore and rod dimensions for JIC-87529743?
A: This seal kit features a 6.5 inch bore and 3.5 inch rod, the largest dimensions in the seal kit lineup for Caterpillar-series loaders.
Q: Which cylinders are compatible with JIC-87529743?
A: Compatible cylinders include 87696084 for XR bucket applications and 87337179 for Z-BAR bucket applications, both with 8/06- serial prefixes indicating August 2006 manufacture date and later.
Q: What does the M prefix in the part designation mean?
A: The M prefix indicates this is a modified or updated seal kit design from an earlier version. Verify your equipment serial number against the 8/06- range before ordering to ensure compatibility with your loader age.
Q: Can JIC-87529743 be used on 821D loaders?
A: The compatibility data provided shows only 821E models. If you need a seal kit for 821D, you must cross-reference with other part numbers, as this kit is specific to 821E.