{"product_id":"12v-regulator-alternator-41-8851-fit-thermo-king-mctrl-i-30-50-30-tc-mp300","title":"12V Regulator Alternator 41-8851 Fit Thermo King McTRL-I 30, 50 \u0026 30 TC MP300","description":"\u003ch2\u003e12V Regulator Alternator for Thermo King\u003c\/h2\u003e\u003cp\u003eThis 12V regulator alternator, with OEM cross-reference number 41-8851, delivers consistent charging output for Thermo King refrigeration units. It is designed to maintain battery health and reliable electrical system performance in demanding transport cooling applications. This 12V regulator alternator for Thermo King ensures dependable power delivery to keep your unit running.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 12V regulator alternator for Thermo King is a direct replacement component that regulates voltage and charges the battery in compatible refrigeration systems. It is built for Thermo King units that require a steady 12-volt electrical supply, ensuring reliable starts and continuous operation. The 41-8851 design makes it a practical choice for maintaining fleet readiness and minimizing downtime.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDelivers regulated 12V output for consistent charging\u003c\/li\u003e\n\u003cli\u003eCross-references OEM part number 41-8851 for straightforward replacement\u003c\/li\u003e\n\u003cli\u003eConstructed with durable materials to withstand vibration and temperature extremes\u003c\/li\u003e\n\u003cli\u003eDesigned to match original mounting and electrical connections\u003c\/li\u003e\n\u003cli\u003eProvides stable voltage to protect sensitive electronic components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Thermo King MD-II\u003c\/li\u003e\n\u003cli\u003efor Thermo King MD-II SR\u003c\/li\u003e\n\u003cli\u003efor Thermo King MD-300\u003c\/li\u003e\n\u003cli\u003efor Thermo King MD-500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaintains electrical system integrity in over-the-road refrigerated trailers\u003c\/li\u003e\n\u003cli\u003eSupports daily start-up and extended runtime in temperature-controlled fleets\u003c\/li\u003e\n\u003cli\u003eUsed in applications where consistent alternator output is critical to cargo preservation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRegulator Alternator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e41-8851\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 What does the 41-8851 alternator do in a Thermo King unit? \u003cstrong\u003eA:\u003c\/strong\u003e It generates and regulates electrical power to charge the battery and run essential systems, ensuring the refrigeration unit operates reliably. Proper voltage regulation prevents electrical damage and supports consistent performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if this alternator fits my specific Thermo King model? \u003cstrong\u003eA:\u003c\/strong\u003e Fit depends on the exact unit model and serial number, so verify compatibility with your unit's specifications before ordering. Always check mounting points and electrical connections against your existing alternator.\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":45564088942678,"sku":"ZZ3F07322","price":79.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_95e3b859-86c5-41a9-8bb3-5040c7b3c301.jpg?v=1789275079","url":"https:\/\/www.solidspare.com\/products\/12v-regulator-alternator-41-8851-fit-thermo-king-mctrl-i-30-50-30-tc-mp300","provider":"Solid Spare","version":"1.0","type":"link"}