Fits John Deere Combine(s) 3300, 4400, 4420, 4425, 6600, 6620, 7700, 7720. Replaces John Deere OEM nos AH106547, AH89357. 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 Automatic Header Height Control Valve John Deere 7700 7720 6620 4400 6600" is in sale since Thursday, May 17, 2018. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Heavy Equipment Attachment Parts\Three Point Hitch Parts, Hitches & Drawbars". The seller is "tractorpartsasap" and is located in Fort Atkinson, Iowa. This item can be shipped to United States.