Application? Work for Detroit Diesel Series 60 Two Cycle 92 12.7L 14L Engine 2. Function? This J-35686-B Tool Set is used to install the front and rear crankshaft wear sleeves and seals. It eliminates lip flare on the wear sleeve and installs the seals properly. Directly Replacement? Direct replacement for J-35686-B, J-35686 and J-35686-A. Utilized on multiple oil seals and wear sleeve assemblies including 23516969, 23513578, 23513485 and 23518355. Material? All components are made of High Standard Carbon Steel with Black Finish, Great Strength and Durability, Anti-Corrosion &No Deformation.