New JOHN DEERE FUEL INJECTION PUMP HEAD ASSY. – AR50333$450.00 Regular Price: $450.00Make: John DeereInventory Type: AgriculturalModel: 4020, 4520SKU: AR50333 NEW O.E.M. FUEL INJECTION PUMP HEAD ASSY. PART #: AR50333 FITS: 4020 LM, 4520 Installation of Injection pumps: In cases that head and rotor seizure is suspected on existing pumps Injectors must be removed and checked for faulty nozzles. In cases that drive shaft is left on engine during removal of pump Throttle lever must remain wired back until installation is complete. Failure to follow manufactures recommended procedures on removal and installation of Injection pumps will void 90 day warranty. Out of stock SKU: AR50333 Category: Parts Tag: New Additional information Reviews (0) Additional information Weight 6 lbs Reviews There are no reviews yet. Only logged in customers who have purchased this product may leave a review.