Features: Reference part number: 49033-2059, 49056-2060, M147788, MIU11423. Applicable model: the fuel injectors are compatible for John Deere 797, X485, X585, X720, X724, X728, X729, X730, X734, X738. Premium material: the fuel injectors are made of metal and composite ABS plastic, function more consistent and smoother, more accurate adjustment to account for extremes of cold temperatures, fast starting up. Function: the injector is a fuel delivery component that is responsible for injecting gasoline or fuel into the combustion chamber, a valve that primarily receives and delivers fuel to the cylinder. It is electronically controlled to open and close completely or partially, depending on the data collected by various sensors. Energy saving: the fuel injectors are designed for optimum fuel atomization (mist) for increased performance and fuel economy. Specification: Product name: Fuel Spray Nozzles. Material: plastic, metal. OE part number: 49033-2059, 49056-2060, M147788, MIU11423. Fitment: Compatible for John Deere 797, X485, X585, X720, X724, X728, X729, X730, X734, X738. Package includes: 2 x Fuel Injectors