4218521 is a Dana Spicer shim for off-highway axle applications. A shim is a thin precision spacer that sets clearance or alignment between mating parts, so the right one matters to how the assembly runs. It is a genuine Dana Spicer part from Pro Gear and Transmission. Give us a call if you want help confirming it for your axle.
Features
Dana Spicer shim, part number 4218521
Intended for off-highway axle applications
A precision spacer used to set clearance between mating parts
Genuine Dana Spicer part sold by Pro Gear and Transmission
