{"product_id":"voltage-regulator-rectifier-for-kohler-john-deere-4140309-41-403-09","title":"Voltage Regulator Rectifier for Kohler \u0026 John Deere 4140309 41-403-09","description":"\u003cstrong\u003eThis Voltage Regulator Rectifier is a charging system component compatible with Kohler \u0026amp; John Deere and matches OEM Part# 4140309 and 41-403-09.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis Voltage Regulator Rectifier is an essential electrical component designed to maintain a consistent voltage output for Kohler \u0026amp; John Deere engines. The Voltage Regulator Rectifier effectively converts alternating current from the alternator into direct current to charge the battery and power the vehicle's electrical system. This durable Voltage Regulator Rectifier ensures reliable engine performance and protects sensitive electronic components from power surges.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDurable aluminum housing provides efficient heat dissipation to prolong component life\u003c\/li\u003e\n\u003cli\u003eEngineered to match or exceed original equipment standards for reliable charging performance\u003c\/li\u003e\n\u003cli\u003eAdvanced internal circuitry prevents overcharging to maintain battery health\u003c\/li\u003e\n\u003cli\u003eDirect replacement design ensures a precise fit and straightforward installation process\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eJohn Deere engines from 8-25 HP with 15 Amp alternators\u003c\/li\u003e\n\u003cli\u003eKohler engines from 8-25 HP with 15 Amp alternators\u003c\/li\u003e\n\u003cli\u003eKohler Command models CH20, CH22, CH23, and CH25\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a faulty or burnt-out charging system regulator on lawn tractors\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance to restore electrical stability to residential and commercial mowers\u003c\/li\u003e\n\u003cli\u003eRestoring battery charging functionality to John Deere and Kohler-powered equipment\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 4140309, 41-403-09\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternator Rating:\u003c\/strong\u003e 15 Amp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e 8-25 HP\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What are the signs that my voltage regulator needs to be replaced?\u003cstrong\u003e A:\u003c\/strong\u003e Common symptoms include a battery that will not stay charged, dimming headlights during operation, or a bulging battery caused by overcharging.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this unit a direct plug-and-play replacement for my engine?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, it is designed to match factory specifications for a seamless connection to your existing wiring harness without modification.\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":"Northline Parts","offers":[{"title":"Default Title","offer_id":43045694963783,"sku":"ZZ1Q03250","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/7123\/5399\/files\/51AEIAvVjDL._AC_SL1001.jpg?v=1786008884","url":"https:\/\/www.northlineparts.com\/products\/voltage-regulator-rectifier-for-kohler-john-deere-4140309-41-403-09","provider":"Northline Parts","version":"1.0","type":"link"}