The Fabco Shift Shaft, part number 423-40-3 or 423403, is a genuine Fabco OEM replacement component for heavy-duty truck applications. This unit-pack part carries UPC 193174415203 and is sold by Pro Gear and Transmission. Shift shafts are precision-machined internal components that transmit gear-engagement movement within transfer cases and PTOs, making an exact OEM match critical for proper operation. Call us to confirm this is the correct shift shaft for your specific Fabco unit before ordering.
Features
Genuine Fabco OEM shift shaft
Part number 423-40-3 or 423403
UPC: 193174415203
Sold individually as a unit-pack component
Sold by Pro Gear and Transmission
Call to confirm fitment for your specific Fabco application
