{"product_id":"4384565-genuine-cummins®-coolant-temperature-sensor-6-7l-isb-qsb","title":"4384565 | Genuine Cummins® Coolant Temperature Sensor 6.7L ISB \u0026 QSB","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA Coolant Temperature Sensor (CTS) \u003cstrong\u003e4384565 \u003c\/strong\u003eis a sensor in a vehicle’s engine that measures the temperature of the engine coolant (antifreeze) and sends that information to the engine computer.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: 4384565\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: Cummins\u003cbr\u003e\u003c\/span\u003e\u003cstrong data-start=\"160\" data-end=\"176\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003eFits 4384565 \u003c\/strong\u003eFor \u003cspan\u003eEPA24 6.7 liter ISB\/QSB\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul id=\"catalogModels\" class=\"nav catalog\"\u003e\u003c\/ul\u003e\n\u003cp data-start=\"160\" data-end=\"353\"\u003e\u003cstrong\u003ePurpose of using 4384565:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli data-end=\"328\" data-start=\"231\" data-section-id=\"l5gz16\"\u003e\n\u003cp data-end=\"264\" data-start=\"234\"\u003e\u003cstrong data-end=\"264\" data-start=\"234\"\u003eMonitor engine temperature\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"328\" data-start=\"268\"\u003e\n\u003cli data-end=\"328\" data-start=\"268\" data-section-id=\"1k1xy81\"\u003e\n\u003cp data-end=\"328\" data-start=\"270\"\u003eThe sensor measures how hot or cold the engine coolant is.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"495\" data-start=\"330\" data-section-id=\"t09vnm\"\u003e\n\u003cp data-end=\"357\" data-start=\"333\"\u003e\u003cstrong data-end=\"357\" data-start=\"333\"\u003eControl fuel mixture\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"495\" data-start=\"361\"\u003e\n\u003cli data-end=\"420\" data-start=\"361\" data-section-id=\"1i75l90\"\u003e\n\u003cp data-end=\"420\" data-start=\"363\"\u003eWhen the engine is \u003cstrong data-end=\"390\" data-start=\"382\"\u003ecold\u003c\/strong\u003e, the computer adds more fuel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"495\" data-start=\"424\" data-section-id=\"b8rmwo\"\u003e\n\u003cp data-end=\"495\" data-start=\"426\"\u003eWhen the engine is \u003cstrong data-end=\"453\" data-start=\"445\"\u003ewarm\u003c\/strong\u003e, it uses less fuel for better efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"640\" data-start=\"497\" data-section-id=\"eja4y0\"\u003e\n\u003cp data-end=\"527\" data-start=\"500\"\u003e\u003cstrong data-end=\"527\" data-start=\"500\"\u003eControl the cooling fan\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"640\" data-start=\"531\"\u003e\n\u003cli data-end=\"640\" data-start=\"531\" data-section-id=\"hgtgav\"\u003e\n\u003cp data-end=\"640\" data-start=\"533\"\u003eWhen the engine temperature gets too high, the sensor signals the computer to \u003cstrong data-end=\"639\" data-start=\"611\"\u003eturn on the radiator fan\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"768\" data-start=\"642\" data-section-id=\"r3qngq\"\u003e\n\u003cp data-end=\"675\" data-start=\"645\"\u003e\u003cstrong data-end=\"675\" data-start=\"645\"\u003ePrevent engine overheating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"768\" data-start=\"679\"\u003e\n\u003cli data-end=\"768\" data-start=\"679\" data-section-id=\"nwp08c\"\u003e\n\u003cp data-end=\"768\" data-start=\"681\"\u003eBy monitoring temperature, the system can help \u003cstrong data-end=\"767\" data-start=\"728\"\u003eprotect the engine from overheating\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"904\" data-start=\"770\" data-section-id=\"1nxo022\"\u003e\n\u003cp data-end=\"814\" data-start=\"773\"\u003e\u003cstrong data-end=\"814\" data-start=\"773\"\u003eProvide dashboard temperature reading\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"904\" data-start=\"818\"\u003e\n\u003cli data-end=\"904\" data-start=\"818\" data-section-id=\"a6ve0i\"\u003e\n\u003cp data-end=\"904\" data-start=\"820\"\u003eIt sends information to the \u003cstrong data-end=\"886\" data-start=\"848\"\u003etemperature gauge or warning light\u003c\/strong\u003e on the dashboard.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1022\" data-start=\"906\" data-section-id=\"1dyevpp\"\u003e\n\u003cp data-end=\"934\" data-start=\"909\"\u003e\u003cstrong data-end=\"934\" data-start=\"909\"\u003eHelp reduce emissions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1022\" data-start=\"938\"\u003e\n\u003cli data-end=\"1022\" data-start=\"938\" data-section-id=\"msby9g\"\u003e\n\u003cp data-end=\"1022\" data-start=\"940\"\u003eProper temperature control helps the engine burn fuel \u003cstrong data-end=\"1021\" data-start=\"994\"\u003ecleanly and efficiently\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"160\" data-end=\"353\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of a Bad Coolant Temperature Sensor 4384565:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"6q3wk3\" data-start=\"214\" data-end=\"345\"\u003e\n\u003cp data-start=\"217\" data-end=\"239\"\u003e\u003cstrong data-start=\"217\" data-end=\"239\"\u003eCheck Engine Light\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"243\" data-end=\"345\"\u003e\n\u003cli data-section-id=\"w57i8g\" data-start=\"243\" data-end=\"345\"\u003e\n\u003cp data-start=\"245\" data-end=\"345\"\u003eThe \u003cstrong data-start=\"249\" data-end=\"271\"\u003echeck engine light\u003c\/strong\u003e may turn on if the sensor sends incorrect signals to the engine computer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m949rv\" data-start=\"347\" data-end=\"479\"\u003e\n\u003cp data-start=\"350\" data-end=\"372\"\u003e\u003cstrong data-start=\"350\" data-end=\"372\"\u003eEngine overheating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"376\" data-end=\"479\"\u003e\n\u003cli data-section-id=\"bj69n9\" data-start=\"376\" data-end=\"479\"\u003e\n\u003cp data-start=\"378\" data-end=\"479\"\u003eIf the sensor fails, the cooling fan may \u003cstrong data-start=\"419\" data-end=\"446\"\u003enot turn on when needed\u003c\/strong\u003e, causing the engine to overheat.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1p5l0cb\" data-start=\"481\" data-end=\"595\"\u003e\n\u003cp data-start=\"484\" data-end=\"505\"\u003e\u003cstrong data-start=\"484\" data-end=\"505\"\u003ePoor fuel economy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"509\" data-end=\"595\"\u003e\n\u003cli data-section-id=\"1s5mayw\" data-start=\"509\" data-end=\"595\"\u003e\n\u003cp data-start=\"511\" data-end=\"595\"\u003eThe engine may use \u003cstrong data-start=\"530\" data-end=\"547\"\u003etoo much fuel\u003c\/strong\u003e because the computer thinks the engine is cold.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zmseln\" data-start=\"597\" data-end=\"701\"\u003e\n\u003cp data-start=\"600\" data-end=\"617\"\u003e\u003cstrong data-start=\"600\" data-end=\"617\"\u003eHard starting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"621\" data-end=\"701\"\u003e\n\u003cli data-section-id=\"ppks5g\" data-start=\"621\" data-end=\"701\"\u003e\n\u003cp data-start=\"623\" data-end=\"701\"\u003eThe vehicle may be \u003cstrong data-start=\"642\" data-end=\"664\"\u003edifficult to start\u003c\/strong\u003e, especially when the engine is cold.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"37t1qn\" data-start=\"703\" data-end=\"807\"\u003e\n\u003cp data-start=\"706\" data-end=\"740\"\u003e\u003cstrong data-start=\"706\" data-end=\"740\"\u003eRough idle or poor performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"744\" data-end=\"807\"\u003e\n\u003cli data-section-id=\"i5df22\" data-start=\"744\" data-end=\"807\"\u003e\n\u003cp data-start=\"746\" data-end=\"807\"\u003eThe engine may \u003cstrong data-start=\"761\" data-end=\"777\"\u003eidle roughly\u003c\/strong\u003e, run unevenly, or lose power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"s181j\" data-start=\"809\" data-end=\"929\"\u003e\n\u003cp data-start=\"812\" data-end=\"848\"\u003e\u003cstrong data-start=\"812\" data-end=\"848\"\u003eCooling fan running all the time\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"852\" data-end=\"929\"\u003e\n\u003cli data-section-id=\"1q8u8qx\" data-start=\"852\" data-end=\"929\"\u003e\n\u003cp data-start=\"854\" data-end=\"929\"\u003eSometimes the fan stays \u003cstrong data-start=\"878\" data-end=\"895\"\u003eon constantly\u003c\/strong\u003e, even when the engine is not hot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"351s51\" data-start=\"931\" data-end=\"1062\"\u003e\n\u003cp data-start=\"934\" data-end=\"967\"\u003e\u003cstrong data-start=\"934\" data-end=\"967\"\u003eIncorrect temperature reading\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"971\" data-end=\"1062\"\u003e\n\u003cli data-section-id=\"fxxe0x\" data-start=\"971\" data-end=\"1062\"\u003e\n\u003cp data-start=\"973\" data-end=\"1062\"\u003eThe \u003cstrong data-start=\"977\" data-end=\"1015\"\u003etemperature gauge on the dashboard\u003c\/strong\u003e may show wrong readings (too hot or too cold).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"97\" data-end=\"476\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAbout the Manufacturer – \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCummins:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"381\" data-start=\"0\"\u003eCummins is a leading American manufacturer of diesel and natural gas engines, as well as power generation systems and emissions solutions. Founded in 1919 and headquartered in Columbus, Indiana, Cummins is known globally for its durable, high-performance engines used in trucks, buses, construction equipment, agriculture, and power systems.\u003c\/p\u003e\n\u003cp data-end=\"628\" data-start=\"383\"\u003eThe brand is widely respected for its innovation in clean diesel technology, including aftertreatment systems, turbochargers, and advanced electronics that help reduce emissions while maximizing engine efficiency and reliability.\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":50574649655543,"sku":"4384565","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/F143953953.png?v=1773420080","url":"https:\/\/forcetruckparts.com\/products\/4384565-genuine-cummins%c2%ae-coolant-temperature-sensor-6-7l-isb-qsb","provider":"Force Truck Parts","version":"1.0","type":"link"}