The Dana Allison Off Highway Input Shaft, part number 4221840 or LY4221840, is a driveline component designed for off-highway axle applications. This is a genuine Allison Off Highway part, also catalogued under retail vendor code LY with the full part number LY4221840. It is sold individually (unit of measure: each). Because off-highway axle configurations vary widely, call Pro Gear and Transmission to confirm this shaft fits your specific application before ordering.
Features
Genuine Allison Off Highway input shaft for off-highway axle applications
Part number 4221840, also referenced as LY4221840 (retail vendor code LY)
Sold as individual unit
Classified under NMFC 121875 (Miscellaneous Truck Parts, Transmission and Clutch Parts)
Call Pro Gear and Transmission to verify fit for your specific off-highway axle configuration
