{"product_id":"voltage-regulator-fit-for-thermo-king-sl-400e-sr2-slxi-200-spectrum-smx-44-9143","title":"Voltage Regulator Fit for Thermo King SL-400e SR2 SLXi-200 Spectrum SMX 44-9143","description":"\u003ch2\u003eVoltage Regulator for Thermo King\u003c\/h2\u003e\u003cp\u003eThis voltage regulator, cross-referenced as 44-9143, maintains steady electrical output in Thermo King SL-400e, SR2, SLXi-200, Spectrum, and SMX refrigeration units. Designed as a replacement for the original Kompensator, it ensures reliable alternator charging and protects onboard electronics.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis voltage regulator for Thermo King SL-400e, SR2, SLXi-200, Spectrum, and SMX models regulates the alternator's voltage to keep batteries charged and systems running smoothly. It is a direct replacement for OEM part 44-9143, built to match the electrical specifications of Thermo King's advanced transport refrigeration units. The regulator helps extend component life by preventing overvoltage conditions.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacement for OEM part number 44-9143\u003c\/li\u003e\n\u003cli\u003ePrecision voltage regulation for stable alternator output\u003c\/li\u003e\n\u003cli\u003eSealed housing protects against moisture and dust ingress\u003c\/li\u003e\n\u003cli\u003eHigh-temperature rated components for engine-bay environments\u003c\/li\u003e\n\u003cli\u003eSimple two-wire connection for quick swap\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Thermo King SL-400e\u003c\/li\u003e\n\u003cli\u003efor Thermo King SR2\u003c\/li\u003e\n\u003cli\u003efor Thermo King SLXi-200\u003c\/li\u003e\n\u003cli\u003efor Thermo King Spectrum\u003c\/li\u003e\n\u003cli\u003efor Thermo King SMX\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed in truck and trailer refrigeration units during alternator rebuilds\u003c\/li\u003e\n\u003cli\u003eInstalled in reefer fleets to restore charging system integrity\u003c\/li\u003e\n\u003cli\u003eReplaces worn regulators in Thermo King units showing voltage fluctuations\u003c\/li\u003e\n\u003cli\u003eWorks in stationary and mobile cold chain applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\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\u003efor Thermo King\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What are the symptoms of a failing voltage regulator? \u003cstrong\u003eA:\u003c\/strong\u003e You may notice battery drain, dim or flickering lights, or the unit failing to start. A multimeter test showing output voltage outside the 13.5–14.5V range indicates a faulty regulator.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this without special tools? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, basic hand tools and disconnecting the battery first are sufficient. Ensure the alternator is cool and the harness connector is free of corrosion before connecting.\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":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46612394279098,"sku":"ZZ3F02243","price":41.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_b9275b3d-1876-4d6f-8e1f-fa45650e898a.jpg?v=1789019287","url":"https:\/\/partoutfitters.com\/products\/voltage-regulator-fit-for-thermo-king-sl-400e-sr2-slxi-200-spectrum-smx-44-9143","provider":"Part Outfitters","version":"1.0","type":"link"}