{"product_id":"gm-genuine-parts-engine-coolant-temperature-sensor-213-4777-oe-fit-direct-replacement-restores-accurate-temp","title":"GM GENUINE PARTS Engine Coolant Temperature Sensor 213-4777 — OE-fit direct replacement, restores accurate temp","description":"\u003cp\u003e\u003cstrong\u003eGM Genuine Parts 213-4777 (12639899) is an original-equipment engine coolant temperature sensor built to restore accurate engine temperature readings and OE-level fitment for compatible GM vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis engine coolant temperature (ECT) sensor from GM Genuine Parts (also referenced as ACDelco GM Original Equipment) replaces the factory sensor and delivers the signal the engine control module (ECM) needs to manage air\/fuel mixture and ignition timing. Designed and manufactured to meet GM specifications, the 213-4777 sensor offers the same mechanical dimensions, electrical characteristics, and service life expected from factory components, so you can fit it without modification and rely on consistent engine performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this sensor affect my vehicle's operation?\u003c\/h3\u003e\n\u003cp\u003eThe ECT sensor provides real-time temperature data to the ECM, which uses that information to optimize fuel delivery and ignition timing. If the sensor reads incorrectly, the engine may run too rich or too lean, and drivability or emissions can be affected. Replacing a faulty sensor with this GM OE part helps restore proper engine control and prevents diagnostic trouble codes related to temperature sensing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement for the factory sensor on compatible GM models\u003c\/li\u003e\n  \u003cli\u003eRestores accurate temperature input to the ECM for fuel\/ignition adjustments\u003c\/li\u003e\n  \u003cli\u003ePrevents temperature-related diagnostic trouble codes and limp-home behavior\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes GM Genuine Parts 213-4777 an OE-quality option?\u003c\/h3\u003e\n\u003cp\u003eThis sensor is manufactured to GM original-equipment specifications for fit, form, and function, meaning threading, connector type, and electrical response match the factory unit. Quality control and materials selection follow GM standards, so the part performs and lasts like the component it replaces. That consistency reduces the risk of premature failure and the need for repeat repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt to GM OE specifications for dimensional and electrical compatibility\u003c\/li\u003e\n  \u003cli\u003eMaterials and assembly consistent with factory durability expectations\u003c\/li\u003e\n  \u003cli\u003eDesigned to integrate seamlessly with original wiring harness and mounts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install this replacement temperature sensor?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically straightforward for anyone comfortable with light engine work: drain coolant as needed, unplug the sensor connector, remove the old sensor, and install the GM sensor with proper thread sealant or gasket if required. Torque to the vehicle manufacturer’s specification and refill coolant, then clear any stored codes and run the engine to confirm correct operation. If you’re unsure, a professional technician or service manual will provide vehicle-specific steps and torque values.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect battery and relieve system pressure before beginning\u003c\/li\u003e\n  \u003cli\u003eDrain coolant sufficiently to prevent spillage when removing the sensor\u003c\/li\u003e\n  \u003cli\u003eUse correct sealing method and torque per vehicle service specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this sensor work with my GM vehicle model and year?\u003c\/h3\u003e\n\u003cp\u003eThe 213-4777 (12639899) is a GM-recommended replacement that fits specific GM applications. Confirm fitment by checking your vehicle’s VIN, existing part number, or an official parts lookup to ensure compatibility. Using the exact OE part number prevents electrical mismatches and ensures the connector, thread, and temperature curve align with the ECM’s expectations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatch part number 213-4777 \/ 12639899 to your vehicle before ordering\u003c\/li\u003e\n  \u003cli\u003eVerify connector type and thread size against the original sensor\u003c\/li\u003e\n  \u003cli\u003eUse VIN or dealer parts lookup for precise compatibility confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The GM Genuine Parts 213-4777 (12639899) ECT sensor is intended for GM owners, DIY mechanics, and professional technicians seeking a factory-equivalent replacement for a failing or outdated engine coolant temperature sensor. It’s ideal when you want guaranteed fitment, reliable temperature input for the ECM, and the durability associated with GM original-equipment components. If your vehicle shows temperature-related trouble codes, poor warm-up behavior, or inconsistent idling linked to temperature sensing, this GM OE sensor is a direct, specification-matched solution.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGM-recommended replacement part for your GM vehicle’s original factory component\u003c\/li\u003e\n  \u003cli\u003eOffering the quality, reliability, and durability of GM OE\u003c\/li\u003e\n  \u003cli\u003eManufactured to GM OE specification for fit, form, and function\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I know if my coolant temperature sensor is bad?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Symptoms include erratic temperature readings, poor idle, increased fuel consumption, or a related check-engine light. Diagnostic trouble codes can confirm sensor faults.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this sensor myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, if you’re comfortable draining some coolant and using basic hand tools. Follow vehicle torque specs and safety precautions or consult a technician.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":48086221488286,"sku":"B004OFB09M","price":42.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gm-genuine-parts-ect-sensor-front-view.jpg?v=1785890363","url":"https:\/\/northtrailauto.ca\/products\/gm-genuine-parts-engine-coolant-temperature-sensor-213-4777-oe-fit-direct-replacement-restores-accurate-temp","provider":"North Trail Auto","version":"1.0","type":"link"}