Detroit Diesel DD13 DD15 DD16 19MM High Pressure Fuel Line Socket Engine Brake Adjustment Tools 4.6MM 4.1MM and Flywheel Barring Tool J-46392 W904589046300 J-48770 W47058090900 W470589042300 Alt. This kit works on Detroit Diesel DD13, DD15, DD16. Constructed from high quality steel black powder coated, these tools ensure excellent mechanical and physical properties, durable in use and great resisting rust and corrosion. They are alternatives for Engine Barring Tool (W470589046300 or J-46392), Fuel Line Socket (W47058090900 or J48770) and Engine Brake Adjustment Tools W470589042300 (4.6 mm / 0.1811 in) and W470589022300 (4.1 mm / 0.1614 in). The Engine Barring Tool helps to adjust the engine for correct position. Our High Pressure Fuel Line Socket serves for quick and easy loosening and tightening the union nut. The Engine Brake Adjustment Tools assists to set the engine brake lash properly when using the service manual instructions.