Schley tool 13900 22 and 19 mm fuel line sockets for cummins engine Description: Features and Benefits 19mm 12pt 1/2″ drive flair nut socket designed for Cummins ISB Fuel Lines 22mm 12pt 1/2″ drive flair nut socket designed for Cummins ISX Fuel Lines Only sockets currently designed to access fuel line fittings for these applications Torque high pressure fitting without torque adaptors Properly tourque fuel line fittings reduce fuel line leaks and damaged fuel lines This tool is designed to easily torque the lines correctly, reducing if not eliminating, the possibility of a fuel leak or damaging the fuel line, fuel rail, or fittings. The tool will also fit many other engines in the Cummins line-up. Click Here. Double your traffic. Get Vendio Gallery – Now FREE!