1B4439 Nut Fits Caterpillar Models
1B4439 Nut Fits Caterpillar Models
Regular price
£19.00 GBP
Regular price
Sale price
£19.00 GBP
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One New Aftermarket Replacement Castle Nut for Caterpillar (Cat) Equipment
This aftermarket replacement castle nut replaces Caterpillar (Cat) OEM part number 1B4439. Castle nuts feature slotted tops that accept a cotter pin, providing positive locking to resist loosening under vibration and heavy loads -- a critical characteristic for demanding construction and heavy equipment applications. Verify fitment against your machine's parts manual or serial number before ordering.
Replaces Part Number(s):
1B4439, 6F7063, 353928, 6B6162, 8T8549
Aftermarket Interchange Numbers
JC35
New aftermarket replacement part - not remanufactured, not used.
