6Pcs Fuel Injector AR53091 SE500098 SE501107 AR51985 for John Deere 4320 4430 4520 4620 5200 644A 6602 690 690B 6404

6 Pieces Fuel Injector AR53091 SE500098 SE501107 AR51985 for John Deere Engine 6404 Tractor 4320 4430 4520 4620 5200 Loader 644A Combine 6602 7700 Excavator 690 690B

Important Note: Replace as a SET for Best Results.Fuel injectors wear at the same rate. Mixing new and old injectors causes uneven atomization, leading to vibrations or “Check Engine” lights. Replace the full set to ensure balanced power and peak performance.

Replacement Part Number: AR53091, SE500098, SE501107, AR51985, 0432221856, 0 432 221 856

Fit For John Deere Engine: 6404, 6404AR, 6404TR

Applications:Fit For John Deere Tractor: 4320, 4430, 4520, 4620, 7020Fit For John Deere Forage Harvester: 5200, 5400Fit For John Deere Loader: JD644A, 644AFit For John Deere Combine: 6602, 7700Fit For John Deere Excavator: 690, 690A, 690B