Home>> AR50781 - Injector Injector - Fits John Deere® - AR50781 Sugg. Retail Price: $30.95/EA Out of Stock Quantity: EA Product Details # AR50781 New (Aftermarket Part) Injector Weight: 0.55 lbs Replaces Tractor Part #: 1876720494AR39811AR46846AR50781CCT Where Used FITS JOHN DEERE® 3020 S/N 123000>, 4000, 4020 S/N 201000>, 4230 S/N <499999, 4520, 6600 AND 7700 COMBINES, 500, 510, 500C Specifications Instructions Any use of OEM part numbers is for reference only. Need help finding a tractor part? Give us a call at 1-800-462-7335.