John Deere Belt Tensioner. Made by same company for John Deere. We deal in many parts for many makes and models of tractors. The item “John Deere Automatic Belt Tensioner 5430 5520 5605 5705 6403 7405 7500 Tractor” is in sale since Wednesday, November 16, 2016. This item is in the category “Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Belts”. The seller is “tractorboyparts” and is located in Modesto, California. This item can be shipped to United States.