TISCO® Main Bearing Set - Standard for John Deere

Main bearing kit, standard, with thrust bearings. Bearing locating tabs placed off-center top half, centered lower half. Replaces 1 - AR77747, 1 - AR77748, & 4 - AR74814. 1 kit used in 254 CID 4 cylinder diesel engine (block #'s R40910, R46350, R46430 only), 270 CID 4 cylinder diesel engine.