{"product_id":"40-974-graded-sensor-air-temperature-fit-for-thermo-king-sl-tci-sl-100-sl-200","title":"40-974 Graded Sensor Air Temperature Fit for Thermo King SL TCI SL-100 SL-200","description":"\u003ch2\u003eAir Temperature Sensor for Thermo King SL\u003c\/h2\u003e\u003cp\u003eThis 40-974 graded sensor air temperature component is a service-grade replacement temperature sensor engineered for Thermo King SL TCI, SL-100, and SL-200 refrigeration systems, delivering accurate air temperature readings to maintain cargo integrity. It matches the OEM cross-reference 40-974 and supports the TCI control interface for seamless system integration.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 40-974 graded sensor air temperature unit continuously samples return or ambient air temperature and transmits that data to the Thermo King SL controller, enabling precise refrigeration cycles. It is designed for technicians servicing Thermo King SL TCI, SL-100, and SL-200 units, and replaces the original sensor with the same 40-974 reference. The 40-974 graded sensor air temperature construction provides stable output across the operating range, reducing false readings and system errors.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacement sensor with OEM cross-reference 40-974\u003c\/li\u003e\n\u003cli\u003eGraded thermistor element for linear temperature response\u003c\/li\u003e\n\u003cli\u003eSealed housing protects against humidity and frost\u003c\/li\u003e\n\u003cli\u003eDirect-fit terminal layout for SL-series harness\u003c\/li\u003e\n\u003cli\u003eMeets original electrical resistance curve\u003c\/li\u003e\n\u003cli\u003eRugged lead wire resists flex fatigue\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFor Thermo King SL TCI\u003c\/li\u003e\n\u003cli\u003eFor Thermo King SL-100\u003c\/li\u003e\n\u003cli\u003eFor Thermo King SL-200\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or shorted sensors in SL-series reefer units\u003c\/li\u003e\n\u003cli\u003eSupports accurate temperature logging in sensitive freight hauling\u003c\/li\u003e\n\u003cli\u003eUsed in diagnostic replacement for TCI error code resolution\u003c\/li\u003e\n\u003cli\u003eInstall during annual refrigeration maintenance intervals\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\u003e40-974\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGraded air temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Systems\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermo King SL TCI, SL-100, SL-200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTCI-compatible\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 Can this sensor be used on a Thermo King SL-300? \u003cstrong\u003eA:\u003c\/strong\u003e This sensor is listed for SL TCI, SL-100, and SL-200 only; the SL-300 may use a different sensor curve, so check your unit's manual or controller part number.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this sensor come pre-calibrated? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the graded element is factory-calibrated to the Thermo King SL resistance spec, so no field calibration is required after installation.\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":46611853934778,"sku":"ZZ3F05200","price":59.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_358e262e-5931-4f47-8a62-2a416decdc77.jpg?v=1789011359","url":"https:\/\/partoutfitters.com\/products\/40-974-graded-sensor-air-temperature-fit-for-thermo-king-sl-tci-sl-100-sl-200","provider":"Part Outfitters","version":"1.0","type":"link"}