This SAE Standard establishes a vocabulary and definitions relating to the components used in fuel injection systems for compression ignition (diesel) engines. Definitions are separated into six sections by topic as follows: Section 3 Fuel Injection Pumps; Section 4 Fuel Injectors; Section 5 Unit Injectors; Section 6 Governors; Section 7 Timing Devices; Section 8 High Pressure Pipes and Connections.