JOHN DEERE 11CC HYDRAULIC PUMP. All of our new parts are aftermarket replacements. Fits John Deere Tractor(s) 850 950 1050. Replaces John Deere OEM number CH13990. The item "CH13990 for JOHN DEERE 850 950 1050 11CC HYDRAULIC PUMP" is in sale since Wednesday, April 29, 2020.This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Air Intake & Fuel Delivery". The seller is "farmlandparts" and is located in Tangent, Oregon. This item can be shipped to United States.