Oni Tools Front & Rear Crankshaft Seal Remover & Installer Tool Set is a direct replacement for 3162992, 3162993, 8 x ST-170-C, 3163056, 3 x 3033627, 3 x 3896790, 8 x 3279794 and 3164780. Application include Cummins Signature, ISX, QSX, ISX12 and ISX15 Diesel Truck Engine. This kit allows the seal to be properly positioned on the crank nose to the front cover and prevents leaking. Designed for the removal and installation of the front crankshaft main oil seals and wear sleeve without damaging and causing leakage. Follow the shop manual for the correct installation depth of the crank seal. Our tool ONI170T replaces multiple seals including 4965569 and will fit the newest Cummins seals perfectly. Use ONI178T alternative to 3162992 for double overhead cam engines ONLY. Oni Tools ensures quality products and stands behind top of the line manufacturing. We guarantee our products to last and offer support along the way.