The Yukon 4340 chromoly left-hand front inner axle is a replacement for Dana 44 applications and for 1975–1979 Ford F250 models as specified. Built from high-tensile 4340 chromoly with cold roll formed splines and advanced heat treating, this 18.62" left inner axle is designed to accept 5-760X series u-joints and provide a stronger-than-stock service life.
Yukon Gear Left Hand Inner 4340 Chrome Moly Rplcmnt Axle Shaft For Dana 44 / 75-79 Ford F250