Fits John Deere Tractor(s) 2520, 3020 (s/n 123000-later), 4000, 4020 (s/n 201000-later), 4320, 4520, 4620. Replaces John Deere OEM nos AR40827. Due to the nature of used parts, this part may not be in stock at all times. All States Ag Parts Item No.This item ships for Free! The item "Used Selective Control Valve John Deere 4520 4620 4000 3020 4320 4020 2520" is in sale since Wednesday, May 27, 2020. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Hydraulics". The seller is "tractorpartsasap" and is located in Salem, South Dakota. This item can be shipped to United States.