{"product_id":"standard-ignition-tx359-engine-coolant-temperature-sensor-engine-block","title":"Standard Ignition TX359 Engine Coolant Temperature Sensor - Engine Block","description":"\u003ch2\u003eEngine Coolant Temperature Sensor for Hyundai and Kia\u003c\/h2\u003e\u003cp\u003eStandard Ignition TX359 is an engine coolant temperature sensor built for direct engine block mounting on select Hyundai and Kia applications. It uses a bolt-on attachment, a single oval plug-in connector, and a 2-blade male terminal layout for a straightforward OE-style electrical connection.\u003c\/p\u003e\u003cp\u003eCompatible with 2020-2025 Hyundai Sonata, 2021-2025 Hyundai Elantra, 2021-2025 Hyundai Kona, 2025 Kia K4, and 2023-2025 Kia Sportage, this TX359 coolant temperature sensor supports accurate engine temperature signal input for the vehicle’s control systems.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine coolant temperature sensor for engine block mounting\u003c\/li\u003e\n\u003cli\u003eBolt-on attachment method for secure installation\u003c\/li\u003e\n\u003cli\u003eFemale oval connector with plug-in type connection\u003c\/li\u003e\n\u003cli\u003e1 connector, 1 port, and 2 male blade terminals\u003c\/li\u003e\n\u003cli\u003eMetal and plastic construction with black and silver finish\u003c\/li\u003e\n\u003cli\u003eDirect-fit application for select Hyundai and Kia models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eStandard Ignition TX359 is an engine coolant temperature sensor designed for vehicles that rely on a precise coolant temperature signal to manage engine operation. The sensor mounts on the engine block, on the side of the block, and uses a single oval connector with blade terminals to match the listed applications. For buyers searching for a Hyundai Sonata coolant temperature sensor, Hyundai Elantra engine block sensor, or Kia Sportage coolant temperature sensor, TX359 provides a fitment-specific replacement option.\u003c\/p\u003e\u003cp\u003eThis part cross-references Walker Products 211-2068 for the same application. Standard Ignition TX359 also interchanges with OE and aftermarket references used on the listed Hyundai and Kia vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Sensor Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect coolant temperature readings on the dash or scan tool\u003c\/li\u003e\n\u003cli\u003eHard starting or rough running related to temperature signal errors\u003c\/li\u003e\n\u003cli\u003eCooling fan operation that does not match engine temperature\u003c\/li\u003e\n\u003cli\u003eFuel mixture or idle control concerns tied to coolant temperature input\u003c\/li\u003e\n\u003cli\u003eCheck engine light conditions related to coolant temperature sensor faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify connector shape, terminal style, and engine block mounting location before installation. This TX359 sensor uses a female oval plug-in connector with 2 male blade terminals and a bolt-on attachment method, so matching the original connector and mounting point is important for proper fitment. Confirm the vehicle application by year, make, and model before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 2021-2025 Hyundai Elantra, Engine Block, On Side of Block\u003c\/li\u003e\n\u003cli\u003eFits 2021-2025 Hyundai Kona, Engine Block, On Side of Block\u003c\/li\u003e\n\u003cli\u003eFits 2020-2025 Hyundai Sonata, Engine Block, On Side of Block\u003c\/li\u003e\n\u003cli\u003eFits 2025 Kia K4, Engine Block, On Side of Block\u003c\/li\u003e\n\u003cli\u003eFits 2023-2025 Kia Sportage, Engine Block, On Side of Block\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition is a recognized aftermarket brand for electrical and engine management components. TX359 is built with metal and plastic materials and is specified for the listed OE-style applications on Hyundai and Kia vehicles.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52827892940981,"sku":"FBHK-TX359","price":36.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_TX359_Fro.jpg?v=1784611227","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-tx359-engine-coolant-temperature-sensor-engine-block","provider":"PartCatalog","version":"1.0","type":"link"}