{"product_id":"engine-knock-detonation-sensor-for-chevrolet-gmc-truck-8-1l-7-4l-v8-new","title":"Engine Knock Detonation Sensor for Chevrolet GMC Truck 8.1L 7.4L V8 New","description":"\u003ch1 data-path-to-node=\"0\" style=\"text-align: center;\"\u003eEngine Knock Detonation Sensor\u003c\/h1\u003e\u003ch3 data-path-to-node=\"1\" style=\"text-align: center;\"\u003eCritical Ignition Component for Chevrolet and GMC Big Block V8 Engines\u003c\/h3\u003e\u003cp data-path-to-node=\"2\"\u003eThis engine knock sensor is a high-precision tuned piezo-electric sensor designed to detect abnormal vibration (engine knock or \"pinging\") caused by pre-ignition. When the sensor detects these vibrations, it sends a signal to the Engine Control Module (ECM) to retard ignition timing, protecting your high-displacement \u003cb data-path-to-node=\"2\" data-index-in-node=\"319\"\u003e7.4L (454)\u003c\/b\u003e or \u003cb data-path-to-node=\"2\" data-index-in-node=\"333\"\u003e8.1L (496)\u003c\/b\u003e engine from internal damage.\u003c\/p\u003e\u003chr data-path-to-node=\"3\"\u003e\u003ch2 data-path-to-node=\"4\"\u003eFitment Verification and Vehicle Applications\u003c\/h2\u003e\u003cp data-path-to-node=\"5\"\u003eThis sensor is specifically calibrated for the unique harmonic frequencies of the GM Big Block V8 family. It is most commonly found on heavy-duty trucks, commercial chassis, and large SUVs.\u003c\/p\u003e\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eChevrolet Silverado 2500 HD \/ 3500:\u003c\/b\u003e 2001–2007 (8.1L V8).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eGMC Sierra 2500 HD \/ 3500:\u003c\/b\u003e 2001–2007 (8.1L V8).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eChevrolet Suburban \u0026amp; GMC Yukon XL 2500:\u003c\/b\u003e 2001–2006 (8.1L V8).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003eChevrolet Avalanche 2500:\u003c\/b\u003e 2002–2006 (8.1L V8).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"6,4,0\"\u003e\u003cb data-path-to-node=\"6,4,0\" data-index-in-node=\"0\"\u003eChevrolet \u0026amp; GMC C6500\/C7500 Kodiak\/Topkick:\u003c\/b\u003e 1999–2009 (7.4L and 8.1L V8).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"6,5,0\"\u003e\u003cb data-path-to-node=\"6,5,0\" data-index-in-node=\"0\"\u003eChevrolet Express \u0026amp; GMC Savana 3500:\u003c\/b\u003e 2001–2002 (8.1L V8).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"6,6,0\"\u003e\u003cb data-path-to-node=\"6,6,0\" data-index-in-node=\"0\"\u003eChevrolet P30 \u0026amp; GMC P3500 Chassis:\u003c\/b\u003e 1998–1999 (7.4L V8).\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-path-to-node=\"7\"\u003e\u003ch2 data-path-to-node=\"8\"\u003eTechnical Specifications and Attributes\u003c\/h2\u003e\u003cp data-path-to-node=\"9\"\u003eMaintaining the correct resistance and terminal integrity is vital for the ECM to accurately monitor engine acoustics.\u003c\/p\u003e\u003ch3 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eElectrical and Connection Data\u003c\/b\u003e\u003c\/h3\u003e\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eTerminal Quantity:\u003c\/b\u003e 1-Pin Connection.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eConnector Gender:\u003c\/b\u003e Female (Accepts male harness plug).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eTerminal Gender:\u003c\/b\u003e Male.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003eTerminal Type:\u003c\/b\u003e Blade\/Pin.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eConstruction Details\u003c\/b\u003e\u003c\/h3\u003e\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eMounting Type:\u003c\/b\u003e Thread-in (Typically into the engine block side or valley).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eMounting Hardware:\u003c\/b\u003e Not Included (Requires reuse of factory heat shield if applicable).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eConfiguration:\u003c\/b\u003e Single-wire resonant sensor.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-path-to-node=\"14\"\u003e\u003ch2 data-path-to-node=\"15\"\u003eIndustry Cross-Reference Numbers\u003c\/h2\u003e\u003cp data-path-to-node=\"16\"\u003eThis sensor is a direct-fit replacement for the following manufacturer and aftermarket part numbers:\u003c\/p\u003e\u003cul data-path-to-node=\"17\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"17,0,0\"\u003e\u003cb data-path-to-node=\"17,0,0\" data-index-in-node=\"0\"\u003eGeneral Motors (OE):\u003c\/b\u003e 10456500, 12591312\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"17,1,0\"\u003e\u003cb data-path-to-node=\"17,1,0\" data-index-in-node=\"0\"\u003eStandard Motor Products:\u003c\/b\u003e KS112, KS-112, KS112S\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"17,2,0\"\u003e\u003cb data-path-to-node=\"17,2,0\" data-index-in-node=\"0\"\u003eWells \/ Airtex:\u003c\/b\u003e 5S2179, SU1322\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"17,3,0\"\u003e\u003cb data-path-to-node=\"17,3,0\" data-index-in-node=\"0\"\u003eACDelco:\u003c\/b\u003e 213-3240, 213-3521\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-path-to-node=\"18\"\u003e\u003ch2 data-path-to-node=\"19\"\u003eInstallation and Diagnostic Tips\u003c\/h2\u003e\u003cul data-path-to-node=\"20\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"20,0,0\"\u003e\u003cb data-path-to-node=\"20,0,0\" data-index-in-node=\"0\"\u003eCommon Trouble Codes:\u003c\/b\u003e A faulty knock sensor will typically trigger a \u003cb data-path-to-node=\"20,0,0\" data-index-in-node=\"69\"\u003eP0327\u003c\/b\u003e (Low Input) or \u003cb data-path-to-node=\"20,0,0\" data-index-in-node=\"90\"\u003eP0332\u003c\/b\u003e (Low Input, Bank 2) Diagnostic Trouble Code (DTC).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"20,1,0\"\u003e\u003cb data-path-to-node=\"20,1,0\" data-index-in-node=\"0\"\u003eTorque Sensitivity:\u003c\/b\u003e The sensor is a microphone-like device. It is extremely sensitive to how tight it is installed. Over-tightening can crush the internal crystal, while under-tightening will result in a weak signal. Always follow the factory torque specification (usually \u003cb data-path-to-node=\"20,1,0\" data-index-in-node=\"273\"\u003e15 lb-ft\u003c\/b\u003e or \u003cb data-path-to-node=\"20,1,0\" data-index-in-node=\"285\"\u003e20 Nm\u003c\/b\u003e).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"20,2,0\"\u003e\u003cb data-path-to-node=\"20,2,0\" data-index-in-node=\"0\"\u003eThread Preparation:\u003c\/b\u003e Do not use thread tape (Teflon tape) on the sensor threads, as the sensor requires a solid metal-to-metal ground to the engine block to function. Some sensors come with a pre-applied conductive sealant.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"20,3,0\"\u003e\u003cb data-path-to-node=\"20,3,0\" data-index-in-node=\"0\"\u003eHarness Inspection:\u003c\/b\u003e On 8.1L engines, the knock sensor harness is often exposed to extreme heat. Inspect the connector and wiring for brittleness or melting before installing the new sensor to ensure a reliable electrical path.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":53632300745072,"sku":"EBY-AM-133758466252","price":54.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/6902\/3088\/files\/57_aa721817-3a78-4edc-83ba-ae1c2459a6b3.jpg?v=1776219979","url":"https:\/\/www.autofusionparts.com\/products\/engine-knock-detonation-sensor-for-chevrolet-gmc-truck-8-1l-7-4l-v8-new","provider":"Auto Fusion Parts ","version":"1.0","type":"link"}