This inter-axle power divider output shaft bearing is built for Mack transmissions, fitting the T2080B (8 speed), T2130 (13 speed), T2180 (18 speed), T309L (9 speed), and T310 and T310M models. It consolidates what were originally two separate OEM bearings into a single part, supporting smooth rotation of the output shaft under load. It measures 1 in. high by 3.25 in. wide by 3.25 in. long and is sold individually.Interchanges:25499676GTW-5998GWA-5983NN6912Mack 46AX538FeaturesReplaces Mack GWA-5983 and GTW-5998 in a single bearingFits Mack T2080B (8 speed), T2130 (13 speed), and T2180 (18 speed) transmissionsAlso fits Mack T309L (9 speed) and T310 / T310M transmissionsDimensions: 1 in. H x 3.25 in. W x 3.25 in. LSold individually, 1 eachTech SpecsHeight: 1 in.Width: 3.25 in.Length: 3.25 in.Unit of Measure: EachUsed in these Mack modelsT2080B TransmissionT2130 / T2180 TransmissionT309L / T310 TransmissionT310M TransmissionT313L / T318L Transmission