{"product_id":"f0nn11n501aa-ignition-key-switch-for-ford-tractor-5640-6640-7740-7840-8160-8240","title":"F0NN11N501AA Ignition Key Switch for Ford Tractor 5640 6640 7740 7840 8160 8240","description":"\u003ch2\u003eIgnition Key Switch for Ford Tractor\u003c\/h2\u003e\u003cp\u003eThis ignition key switch replaces the original F0NN11N501AA part and restores key-controlled starting and electrical power for Ford tractor models. It is built to meet the original mechanical and electrical interface requirements. The switch is designed for Ford 5640, 6640, 7740, 7840, 8160, and 8240 tractors.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis ignition key switch is a direct replacement for OEM part number F0NN11N501AA on Ford tractors. It controls the flow of battery power to the starter, ignition, and accessory circuits, allowing reliable engine start and shutdown. The switch is a suitable repair component for Ford 5640, 6640, 7740, 7840, 8160, and 8240 models.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacement for OEM cross-reference F0NN11N501AA\u003c\/li\u003e\n\u003cli\u003ePrecision machined key cylinder for secure engagement\u003c\/li\u003e\n\u003cli\u003eSnap-action contacts for crisp start and run positions\u003c\/li\u003e\n\u003cli\u003eSealed back cover protects against dust and moisture ingress\u003c\/li\u003e\n\u003cli\u003eMatching thread and mounting diameter for stock panel fit\u003c\/li\u003e\n\u003cli\u003eRated for continuous 12-volt electrical loads\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Ford 5640\u003c\/li\u003e\n\u003cli\u003efor Ford 6640\u003c\/li\u003e\n\u003cli\u003efor Ford 7740\u003c\/li\u003e\n\u003cli\u003efor Ford 7840\u003c\/li\u003e\n\u003cli\u003efor Ford 8160\u003c\/li\u003e\n\u003cli\u003efor Ford 8240\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces faulty switches that cause no-crank or intermittent power loss\u003c\/li\u003e\n\u003cli\u003eUsed during engine electrical system repair on utility tractors\u003c\/li\u003e\n\u003cli\u003eSupports daily operation including loader work, mowing, and PTO tasks\u003c\/li\u003e\n\u003cli\u003ePractical for farm and ranch maintenance shops\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF0NN11N501AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIgnition Key Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKey Positions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOff \/ Run \/ Start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does F0NN11N501AA cross-reference to? \u003cstrong\u003eA:\u003c\/strong\u003e F0NN11N501AA is the original Ford part number for this keyed ignition switch. This replacement matches that number and is intended for the listed Ford tractor models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is the switch difficult to install? \u003cstrong\u003eA:\u003c\/strong\u003e Installation typically involves removing the old switch from the dash panel and plugging in the new unit. Verify that the wiring harness connector matches your tractor's configuration before final mounting.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46610678120634,"sku":"ZZ3F08674","price":96.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_49a882ee-7562-47e6-b888-d678014c2f17.jpg?v=1789001991","url":"https:\/\/partoutfitters.com\/products\/f0nn11n501aa-ignition-key-switch-for-ford-tractor-5640-6640-7740-7840-8160-8240","provider":"Part Outfitters","version":"1.0","type":"link"}