This differential bearing cup fits Mack axle applications, giving the tapered roller bearing cone a smooth outer race surface to carry pinion and side-bearing loads. It measures 1 in. high by 3.25 in. wide by 3.5 in. long and is sold individually. It’s built as a replacement for the Mack differential carrier.Interchanges:1M873625108398Caterpillar 05-3516Mack 64AX292GCU-6038FeaturesDifferential bearing cup constructionDimensions: 1 in. H x 3.25 in. W x 3.5 in. LSold individually (EACH)Tech SpecsHeight: 1 in.Width: 3.25 in.Length: 3.5 in.Unit of Measure: EACHUsed in these Mack modelsT2050 TransmissionT2060 / T2070 TransmissionT2060A TransmissionT2070A / T2070C TransmissionT2070B / T2070D TransmissionT2080 / T2090 / T2100 TransmissionT2080B TransmissionT2110B / T2110D TransmissionT2130 / T2180 TransmissionT309L / T310 TransmissionT310M TransmissionT313L / T318L Transmission