{"product_id":"44-9143-voltage-regulator-fit-for-thermo-king-ap-ii-w-x-1012-at12-at11-hrt-1012","title":"44-9143 Voltage Regulator Fit for Thermo King AP-II W X 1012 AT12 AT11 HRT-1012","description":"\u003ch2\u003eVoltage Regulator for Thermo King\u003c\/h2\u003e\u003cp\u003eThis voltage regulator, referenced as 44-9143, manages charging output in Thermo King refrigeration units to protect the battery and electrical system. It serves as a direct replacement for Thermo King AP-II, W, X, 1012, AT12, AT11, and HRT-1012 models, ensuring reliable power delivery in demanding conditions.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis voltage regulator 44-9143 is a solid-state component that controls alternator output to maintain a stable electrical supply. Designed for Thermo King AP-II, W, X, 1012, AT12, AT11, and HRT-1012 systems, this voltage regulator ensures the unit’s battery stays charged and protected from overvoltage. It is a functional replacement that meets the electrical demands of commercial transport refrigeration.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid-state circuitry provides precise voltage control and long service life\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM part number 44-9143\u003c\/li\u003e\n\u003cli\u003eRugged housing resists vibration and temperature extremes\u003c\/li\u003e\n\u003cli\u003eRegulates output to prevent battery undercharging or overcharging\u003c\/li\u003e\n\u003cli\u003ePlug-and-play installation with existing harness connectors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Thermo King AP-II\u003c\/li\u003e\n\u003cli\u003efor Thermo King W\u003c\/li\u003e\n\u003cli\u003efor Thermo King X\u003c\/li\u003e\n\u003cli\u003efor Thermo King 1012\u003c\/li\u003e\n\u003cli\u003efor Thermo King AT12\u003c\/li\u003e\n\u003cli\u003efor Thermo King AT11\u003c\/li\u003e\n\u003cli\u003efor Thermo King HRT-1012\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMaintains electrical stability in over-the-road trailer refrigeration units\u003c\/li\u003e\n\u003cli\u003eSupports continuous operation during long-haul deliveries\u003c\/li\u003e\n\u003cli\u003eEnsures reliable starting and battery health in stop-and-go routes\u003c\/li\u003e\n\u003cli\u003eWorks in both highway and yard-based cooling applications\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\u003e44-9143\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage Regulator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Brands\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermo King\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 Will this regulator work on my Thermo King unit? \u003cstrong\u003eA:\u003c\/strong\u003e It is designed for AP-II, W, X, 1012, AT12, AT11, and HRT-1012 models; always verify your serial number for exact fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What happens if the regulator fails? \u003cstrong\u003eA:\u003c\/strong\u003e A faulty voltage regulator can cause battery drain or overcharging, so replacing it with this 44-9143 part restores stable electrical operation.\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":45562662125654,"sku":"ZZ3F02238","price":41.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_60b1b580-f3b0-4698-967a-06f12fe9cebb.jpg?v=1789247046","url":"https:\/\/www.solidspare.com\/products\/44-9143-voltage-regulator-fit-for-thermo-king-ap-ii-w-x-1012-at12-at11-hrt-1012","provider":"Solid Spare","version":"1.0","type":"link"}