The Injector Socket Tool is compatible with John Deere 3029, 4039, 4045, 6059, 6068, 6076, 6081, 6101, 6466 and 6619 engines. Alternative for Part Number JDE92 & 7458. This JDE92 Injector Socket Kit is designed to remove and install the injector nozzles on all tractors which are equipped with the Robert Bosch KDEL 21mm type injection nozzle.