This transmission ball is sold in packs of 10 and fits Fuller 11609, 6613, 9513, 12510, 12515, and 12513 Series transmissions used in Mack and Navistar applications. It is built as an aftermarket replacement for these transmission builds.Interchanges:Mack 48AX12Navistar 1662475C1GDB-1666This unit is sold in packs of 10.FeaturesPack of 10 pieces per unit soldFits Fuller 11609, 6613, 9513, 12510, 12515, and 12513 Series transmissionsTech SpecsSell Pack: 10 PieceFitment: Fuller 11609 Series, 6613 Transmission, 9513 Series, 12510 Series, 12515 Series, 12513 SeriesUsed in 13 modelsShow all 13 modelsRT-14613RT-6613 / RTO-6613RT/RTO-12513RT/RTO-9513RTLO-16618ARTLOF-16618ARTO-11609ARTO-14613RTOF-14613T2050 TransmissionT2060 / T2070 TransmissionT2080 / T2090 / T2100 TransmissionT2130 / T2180 Transmission