Features ❤️Fitment: This installation and removal kit fits for Detroit Diesel DD13 and DD15 engines. ❤️Replacement: Alternative to OEM part number W470589004300 W541589023300 W541589003400. ❤️Function: Designed to remove and install both front and rear crankshaft oil seals for Detroit Diesel DD13 DD15 engines. This is a special made professional tool kit that can easily and quickly replace seals without do any damage to both seals and crankshaft. ❤️Nice Design: Professional tool set designed to remove and install the crank front and rear main oil seals without damaging the seal. .