{"product_id":"am141075-ecu-electronic-control-unit-module-for-john-deere-x300-x304-x500-x520","title":"AM141075 ECU Electronic Control Unit Module For John Deere X300 X304 X500 X520","description":"\u003ch2\u003eECU Electronic Control Unit Module for John Deere\u003c\/h2\u003e\u003cp\u003eReplacement ECU Electronic Control Unit Module AM141075 fits John Deere X300, X304, X500, and X520 lawn tractors, controlling engine ignition, fuel delivery, and safety interlock functions.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe ECU Electronic Control Unit Module for John Deere X300 and X500 series tractors is a pre-programmed plug-in replacement that manages spark timing, fuel mapping, and PTO safety switches. This electronic control unit module reads sensor data to deliver reliable starts and consistent engine operation on X300, X304, X500, and X520 models. Lawn care professionals and homeowners rely on this ECU to eliminate no-start conditions and restore full tractor functionality.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePre-loaded calibration matches X300 and X500 engine parameters, so no dealer reflash needed\u003c\/li\u003e\n\u003cli\u003eSealed, weather-resistant housing protects against moisture, dust, and vibration\u003c\/li\u003e\n\u003cli\u003eDirect plug-and-play connector eliminates splicing or wiring modifications\u003c\/li\u003e\n\u003cli\u003eManages ignition, fuel injectors, safety relays, and charging system signals\u003c\/li\u003e\n\u003cli\u003eConformal-coated circuit board resists corrosion and electrical shorts\u003c\/li\u003e\n\u003cli\u003eMeets AM141075 OEM dimensional and pinout specifications for a guaranteed fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor John Deere X300\u003c\/li\u003e\n\u003cli\u003efor John Deere X304\u003c\/li\u003e\n\u003cli\u003efor John Deere X500\u003c\/li\u003e\n\u003cli\u003efor John Deere X520\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestores reliable starting and throttle response on X300 and X500 lawn tractors\u003c\/li\u003e\n\u003cli\u003eEliminates intermittent shutdowns caused by a failing original ECU\u003c\/li\u003e\n\u003cli\u003eSupports PTO engagement for mower decks, snow blowers, and attachments\u003c\/li\u003e\n\u003cli\u003eUsed by fleet maintenance teams to standardize ECU replacements across multiple tractors\u003c\/li\u003e\n\u003cli\u003eIdeal for quick field swaps to minimize downtime during the mowing season\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAM141075\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tractor Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJohn Deere X300, X304, X500, X520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this ECU require programming or a dealer visit before use? \u003cstrong\u003eA:\u003c\/strong\u003e No, the AM141075 ECU is pre-calibrated for John Deere X300 and X500 series tractors; simply plug it into the existing harness and the engine management will operate correctly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this ECU fix a crank-but-no-start issue on my X500? \u003cstrong\u003eA:\u003c\/strong\u003e It can if the original module has failed; before replacing, check battery voltage, fuses, and safety switch continuity to rule out other causes.\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":"Solid Spare","offers":[{"title":"Default Title","offer_id":44965037310038,"sku":"ZZ3A00649","price":87.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_33fe5b58-79c1-41e1-a0f0-4f91f4436238.jpg?v=1781652658","url":"https:\/\/www.solidspare.com\/products\/am141075-ecu-electronic-control-unit-module-for-john-deere-x300-x304-x500-x520","provider":"Solid Spare","version":"1.0","type":"link"}