The Yukon USA Standard 4340 chromoly left-hand inner axle is a replacement for Dana 44 front differentials in 1980–1992 Wagoneer models. Made from high-tensile 4340 and heat treated for strength, it measures 15.80" from splines to u-joint center and uses a 30-spline interface to provide a durable, direct-fit service axle.
USA Standard 4340 Chrome Moly Rplcmnt Axle For Dana 44 / 80-92 Wagoneer / LH Inner