AR50783 AR50781 AR39811 AR46846 Fuel Injector for John Deere 3020 4040 4230 6600Part Number: AR39811, AR46846, SE501163, AR50783, AR44977, AR49226, SE501161, AR69290, SE501168, SE501169 Stamped ID: 17705, 18270, 18421, 18660, 18646, 18767, 18768, 20364, 20494, 20518 Application: Fit for John Deere Tractors: 3020 4000 (S N 335845 earlier) 4020 (S N 335845 earlier) 4040 4230 (S N 335845 later) Combines: 6600 7700 Industrial Construction: 500 (S N 280000 earlier) 510 600 On Jul 8, 2025 at 01: 31: 05 PDT, seller added the following