Fitment For Detroit Diesel Series 60 and two Cycle 92 engines. Direct Replacement Alternative to J-35686 & J-35686-A & #J-35686-B, widely used on multiple seal & wear sleeve assemblies including 23516969, 23513578, 23513485, 23518355. Functional Use Used to install the front and rear crankshaft wear sleeves and seals, eliminating lip flare on the wear sleeve and installing the seals properly without any leakage, which saves you a lot of trouble during work. Premium Material .