All of our new parts are aftermarket replacements. The use of original manufacturer’s names and part numbers is for reference purposes only.Our goal is to have 100% positive feedback. If you have an issue with a product you’ve received from us, please contact us and we’ll resolve it to your satisfaction Compatible with Ford Tractor(s) 600, 601, 611, 620, 621, 630, 631, 640, 641, 650, 651, 660, 661, 671, 681, 800, 801, 811, 820, 821, 840, 841, 850, 851, 860, 861, 871, 881, 2000, 4000 Replaces Ford OEM nos NCA3575A 23.25″ Long 35 spline Additional Handling & Oversize Fees Apply To This Item All new, rebuilt and used tractor parts have a 1-year warranty All States Ag Parts Item No. 114544This item ships for free! Sales Tax: We are required by law to charge sales tax in certain states. Even though most of our products qualify for tax exemptions if purchased on other platforms (i.e. website), eBay does not provide a method for completing tax exempt sales. Therefore, all eBay purchases through All States Ag Parts will be charged sales tax regardless of the buyer’s sales tax status. We cannot refund sales tax once the sale is processed on the ebay site, you may be able to request a refund directly from your state’s taxing authority.