Home>> C5NN3N639A - Relief Valve PlugRelief Valve Plug - Fits Ford® - C5NN3N639ASugg. Retail Price:$28.95/EAOut of Stock- + Free & Easy Returns, In Store or OnlineReturn any item within 90 days of purchase. Our Return Policy Product Details# C5NN3N639A New (Aftermarket Part)Relief Valve PlugWeight: 0.10 lbsReplaces Tractor Part #: WARNING:Cancer and Reproductive Harmwww.P65Warnings.ca.govWhere UsedFITS FORD® 4500, 515, 535SpecificationsInstructionsAny use of OEM part numbers is for reference only. Need help finding a tractor part? Give us a call at 1-800-462-7335.