{"product_id":"gm-genuine-parts-ignition-knock-sensor-12623095-oe-replacement-made-in-japan-optimizes-timing","title":"GM GENUINE PARTS Ignition Knock Sensor 12623095 - OE Replacement, Made in Japan, Optimizes Timing","description":"\u003cp\u003e\u003cstrong\u003eThe GM Genuine Parts 12623095 Ignition Knock (Detonation) Sensor detects engine knock and sends precise vibration signals so the engine control module can optimize ignition timing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis GM-recommended ignition knock sensor is an original-equipment replacement engineered to match the fit, function, and durability expected for compatible GM vehicles. Designed and manufactured to GM OE specifications in Japan, the sensor converts combustion-caused vibrations into an electrical signal the vehicle’s computer uses to reduce pinging and protect engine efficiency. Installing a correctly matched knock sensor helps maintain consistent ignition timing and supports smooth running under varying loads and fuel conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this knock sensor help my engine perform better?\u003c\/h3\u003e\n\u003cp\u003eThe sensor monitors subtle vibrations from erratic combustion and generates a voltage pulse proportional to those vibrations. The engine control module reads this signal and retards or advances ignition timing as needed to reduce knock, allowing your engine to run closer to optimal settings without risking damage from detonation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProvides real-time vibration data for ignition timing corrections\u003c\/li\u003e\n  \u003cli\u003eHelps prevent prolonged detonation that can harm pistons and bearings\u003c\/li\u003e\n  \u003cli\u003eSupports stable performance across different fuel qualities and loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this GM part fit my vehicle and match original performance?\u003c\/h3\u003e\n\u003cp\u003eYes — the 12623095 sensor is manufactured to meet GM original equipment specifications for fit, form, and function. It is a GM-recommended replacement intended to match the factory-installed component’s electrical characteristics and mounting dimensions, so installation is straightforward when it’s the correct part number for your application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered to GM OE tolerances for reliable fitment\u003c\/li\u003e\n  \u003cli\u003eCompatible electrical output for the vehicle control module\u003c\/li\u003e\n  \u003cli\u003eReplaces original equipment without requiring wiring modifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the manufacturing and quality details I should know?\u003c\/h3\u003e\n\u003cp\u003eThis GM Genuine Parts sensor is produced to GM quality standards and originates from Japan, reflecting controlled manufacturing and testing processes. The part undergoes validation against GM requirements to ensure consistent signal response, durability under engine heat cycles, and long-term corrosion resistance at the mounting interface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMade to GM OE specification for performance and longevity\u003c\/li\u003e\n  \u003cli\u003eManufactured in Japan under controlled quality processes\u003c\/li\u003e\n  \u003cli\u003eDesigned to tolerate typical under-hood temperatures and contaminants\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I recognize when a knock sensor needs replacement?\u003c\/h3\u003e\n\u003cp\u003eFaulty knock sensors often trigger a diagnostic trouble code, cause reduced engine performance, or lead to irregular ignition timing. Symptoms may include persistent check-engine lights, reduced fuel economy, or engine pinging that doesn’t subside under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck-engine light with knock-related fault codes\u003c\/li\u003e\n  \u003cli\u003eNoticeable pinging or knocking during acceleration or heavy loads\u003c\/li\u003e\n  \u003cli\u003eReduced power or fuel efficiency linked to timing changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The GM Genuine Parts 12623095 Ignition Knock (Detonation) Sensor is aimed at owners, technicians, and fleet managers who need a direct OE-style replacement for compatible GM vehicles. Choose this part if you require a sensor built to GM specifications, prefer factory-recommended components, or are restoring correct engine controls and timing behavior after a diagnosis indicated knock-sensor faults.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFeatures: GM-recommended replacement for factory component\u003c\/li\u003e\n  \u003cli\u003eQuality: Built to GM OE specification for fit, form, and function\u003c\/li\u003e\n  \u003cli\u003eOrigin: Country of Origin: Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 12623095 a direct replacement for my GM vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it's a GM-recommended OE replacement when the part number matches your vehicle application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Where is this knock sensor manufactured?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This GM Genuine Parts sensor is manufactured in Japan to GM OE specifications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":48084770652318,"sku":"B00S0FSM70","price":38.81,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gm-12623095-front-view.jpg?v=1785862583","url":"https:\/\/northtrailauto.ca\/products\/gm-genuine-parts-ignition-knock-sensor-12623095-oe-replacement-made-in-japan-optimizes-timing","provider":"North Trail Auto","version":"1.0","type":"link"}