{"product_id":"234279-2575503s-am102596-voltage-regulator-for-john-deere-110-120-140","title":"234279 2575503S AM102596 Voltage Regulator for John Deere 110 120 140","description":"\u003cstrong\u003eThis Voltage Regulator is a replacement electrical component compatible with John Deere 110, 120, and 140 garden tractors and matches OEM Part# 234279, 2575503S, AM102596.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis voltage regulator ensures stable charging output for the battery on John Deere lawn and garden tractors. It converts alternator AC voltage to regulated DC voltage to prevent overcharging or undercharging. Essential for maintaining reliable starting and electrical system health on models 110, 120, and 140.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSolid-state design with no moving parts for long-term reliability\u003c\/li\u003e\n\u003cli\u003eRegulates voltage output within safe range (13.5–14.5V)\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM units 234279, 2575503S, AM102596\u003c\/li\u003e\n\u003cli\u003eWeather-resistant housing protects against moisture and debris\u003c\/li\u003e\n\u003cli\u003ePrevents battery damage from voltage spikes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eJohn Deere 110 (1963–1974)\u003c\/li\u003e\n\u003cli\u003eJohn Deere 120 (1965–1974)\u003c\/li\u003e\n\u003cli\u003eJohn Deere 140 (1967–1974)\u003c\/li\u003e\n\u003cli\u003eAlso fits certain John Deere 100-series tractors with similar electrical systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacement for failed or erratic voltage regulators on vintage John Deere garden tractors\u003c\/li\u003e\n\u003cli\u003eRestoring charging system function during tractor restoration projects\u003c\/li\u003e\n\u003cli\u003eAnnual maintenance to prevent electrical system failures during mowing season\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 234279, 2575503S, AM102596\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Solid-state voltage regulator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e AC from alternator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e DC regulated 13.5–14.5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 2-hole flange mount\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this voltage regulator work on a John Deere 140 with a Kohler engine?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, it is designed for the 140 series regardless of engine brand, as long as the electrical system uses the standard John Deere regulator setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I test if my old voltage regulator is bad?\u003cstrong\u003e A:\u003c\/strong\u003e Measure battery voltage at idle – if it exceeds 15V or stays below 12.5V with engine running, the regulator likely needs replacement.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53677997883665,"sku":"ZZ2Z00212","price":26.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/12_fd461b43-706b-4d48-9bcd-44711e963c09.jpg?v=1781613645","url":"https:\/\/www.duraforce.com\/products\/234279-2575503s-am102596-voltage-regulator-for-john-deere-110-120-140","provider":"DURAFORCE","version":"1.0","type":"link"}