All parts sold by Green Farm Parts are covered by the OEM warranty. Any authorized John Deere dealer will exchange a part if a new or re-manufactured John Deere part proves to be defective in materials or workmanship during the applicable warranty period. Simply return the defective part, along with your sales receipt that shows the date of purchase. You should print off the sheet from the link below and take it to your local dealer as well. For more information from John Deere about the John Deere parts warranty, click the link below: