Basic gearbox rebuild kit includes 6 bearings - 2 x bearings for each shaft, 2 x differential bearings, plus 2 x driveshaft oil seals and an input shaft seal. There are 2 types of input shaft seal for these boxes, please state which one you require in the notes when ordering, one is for the early type guide tube which is a seal on its own, the other is the later style guide tube which has an integral seal. All bearings are high quality made by SNR and Timken.