Fits John Deere Tractor(s) 2520, 3020 (s/n 123000-later), 4000, 4020 (s/n 201000-later), 4320, 4430, 4520, 4620, 4630, 6030, 8430, 8630. Replaces John Deere OEM nos AR40827. 1st or 2nd Valve with ISO style couplers. 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 Compatible with John Deere 4020 4430 4630 3020" is in sale since Friday, January 22, 2021. 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 Downing, Wisconsin. This item can be shipped to United States.