Home>> 8N638 - Hydraulic Pump Safety ValveHydraulic Pump Safety Valve - Fits ® - 8N638Sugg. Retail Price:$20.45/EAOut of Stock- + Free & Easy Returns, In Store or OnlineReturn any item within 90 days of purchase. Our Return Policy Product Details# 8N638 New (Aftermarket Part)Hydraulic Pump Safety ValveWeight: 0.25 lbsReplaces Tractor Part #:181087M91 WARNING:Cancer and Reproductive Harmwww.P65Warnings.ca.govWhere UsedFITS FORD® 8N, 9N, 2N FITS MASSEY FERGUSON® TE20, TO20, TO30SpecificationsInstructionsAny use of OEM part numbers is for reference only. Need help finding a tractor part? Give us a call at 1-800-462-7335.