This belt – alternator is an aftermarket replacement for Caterpillar equipment, referenced by OEM part number 9L6643. Built to OEM form, fit, and function specifications.
Fits These Models
Caterpillar
3406B, 3406C
OEM Cross-Reference Numbers
9L6643
OEM part numbers are provided for cross-reference only. Verify part number 9L6643 against your machine before ordering.
