The Dana Spicer Coupling Shaft, part number 810663-3913 or 8106633913, is a genuine Spicer driveline component used in heavy-duty drive shaft assemblies. Coupling shafts connect driveline segments and transmit torque between axle and transmission, making correct part identification critical before ordering. This part is sold by Pro Gear and Transmission as an authentic Spicer component. Fitment details for this specific coupling shaft are not published in the available data - call us to verify this part matches your driveline configuration before purchasing.
Features
Genuine Dana Spicer coupling shaft
Part number 810663-3913 or 8106633913
Driveline application - connects drive shaft segments for torque transmission
Sold by Pro Gear and Transmission as an authentic Spicer part
Call us to confirm correct fitment for your specific driveline
