This drive axle shaft for Mack trucks measures 45-27/32 in. overall with a 2.190 in. diameter section, built as a replacement for the differential-to-hub driveline connection. It is sold individually and fits into the axle assembly where it transmits torque to rotate the wheels.Interchanges:68KH3232P4PI5527Mack 25133700BSH-5527FeaturesDrive axle shaftOverall length 45-27/32 in.Diameter 2.190 in.Sold eachTech SpecsLength: 45-27/32 in.Diameter: 2.190 in.Unit of Measure: Each