{"title":"Knock Sensors","description":"\u003cp\u003eKnock sensors are a critical line of defense in any high-performance engine build. By detecting detonation and pre-ignition events in real time, a quality knock sensor allows your ECU to pull timing before damage occurs — protecting pistons, rings, and bearings under high boost, aggressive timing maps, or variable fuel quality conditions. For standalone ECU builds and OEM-based performance applications alike, accurate knock detection is non-negotiable.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time detonation detection\u003c\/strong\u003e – Identifies knock events instantly so the ECU can retard timing and protect the engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-boost \u0026amp; forced induction ready\u003c\/strong\u003e – Essential for turbocharged and supercharged builds running aggressive tune maps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandalone \u0026amp; OEM ECU compatible\u003c\/strong\u003e – Wideband frequency sensors compatible with leading aftermarket and factory ECU platforms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-fit \u0026amp; universal options\u003c\/strong\u003e – OEM-replacement and performance-spec sensors for a range of engine families\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted performance brands\u003c\/strong\u003e – Sourced from manufacturers relied on by professional tuners and engine builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse our knock sensor selection below and find the right sensor for your engine platform and ECU setup.\u003c\/p\u003e","products":[{"product_id":"ecumaster-whp-wideband-knock-sensor-kit","title":"ECUMaster - WHP Wideband Knock Sensor Kit","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eECUMaster - WHP Wideband Knock Sensor Kit\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"fluid-width-video-wrapper\"\u003e\n\u003cdiv class=\"fluid-width-video-wrapper\"\u003e\n\u003cp\u003eWHP wideband knock sensor kits are designed to take advantage of the sophisticated knock detection circuits in many modern ECUs, such as the ECUMaster EMU. The knock processing chip in the EMU is designed to take advantage of wideband, or flat response, knock sensors. Until recent years, most knock sensors were designed to generate an output voltage only around a preset frequency based on engine characteristics, limiting the need for signal processing. The drawbacks of such sensors were their inability to separate knock from noise. With modern signal processing, wideband sensors can be used, allowing the EMU to process the signal in its full range and look only for sounds that actually represent knock. The EMU is also able to filter the signal by crank degrees so that it only monitors the sensors at engine positions where knock is likely to occur. The use of WHP wideband knock sensors allows for greater sensitivity to knock and greater control of the engine, allowing the tuner to maximize power output with the confidence that the EMU will employ engine protection strategies when knock is detected.\u003c\/p\u003e\n\u003cp\u003eEach kit includes a new genuine Bosch knock sensor with 12 month warranty, titanium mounting stud, retaining nut, and electrical connector with terminals and seals.\u003c\/p\u003e\n\u003cp\u003eFlat response knock sensors can be used on any engine, but please verify the thread size\/pitch before ordering. This kit includes the option of either an M8x1.25mm, M10x1.25mm or M12x1.25mm stud which fits Toyota JZ engines and others.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShop more from ECUMaster \u003cspan\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.9tperformance.com\/collections\/ecu-master\" target=\"_blank\"\u003ehere\u003c\/a\u003e\u003c\/span\u003e!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cbr\u003eDOWNLOADS:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1MoOUjPUOVlmjTF3KKv3R9CpAMgqxLTn0\/view?usp=sharing\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWHP Knock Sensor Install Instructions\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/youtu.be\/PHhIq6VQ_9A\"\u003eConnector Assembly Video\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ECUMaster","offers":[{"title":"M10x1.25","offer_id":45193212854421,"sku":"WHPKNK2","price":85.0,"currency_code":"USD","in_stock":true},{"title":"M12x1.25","offer_id":45193212887189,"sku":"WHPKNK1","price":85.0,"currency_code":"USD","in_stock":true},{"title":"M8x1.25","offer_id":46484294271125,"sku":"WHPKNK3","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/3777\/7813\/files\/E6E5103D-087B-4EC8-A7AA-CA23D55C65C1.png?v=1720035176"},{"product_id":"haltech-genuine-bosch-knock-sensor-8mm-5-16in-mounting-bolt-w-plug-pins","title":"Haltech Genuine Bosch Knock Sensor 8mm (5\/16in) Mounting Bolt w\/Plug \u0026 Pins","description":"Knock Sensor - Genuine Bosch, Suits: 8mm (5\/16 In.) mounting bolt.; Includes: Matching plug and 2 Pins.","brand":"Haltech","offers":[{"title":"Default Title","offer_id":46849828520085,"sku":"HALHT-011100","price":129.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/3777\/7813\/files\/4b8b5824dbdcb042607133d6c14cd5e2.jpg?v=1768507745"},{"product_id":"haltech-nexus-rebel-ls-gen-iii-knock-sensor-adaptor","title":"Haltech NEXUS Rebel LS Gen III Knock Sensor Adaptor","description":"Haltech NEXUS Rebel LS Gen III Knock Sensor Adaptor","brand":"Haltech","offers":[{"title":"Default Title","offer_id":46853424578709,"sku":"HALHT-186508","price":28.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/3777\/7813\/files\/9a96deb9a0f67e49e017eb8dca481ad3.jpg?v=1768608926"},{"product_id":"bosch-knock-sensor-oe-13676440-9358037-94460614500-7568801","title":"Bosch Knock Sensor (OE 13676440\/9358037\/94460614500\/7568801)","description":"Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties\u003cbr\u003e\u003cbr\u003eThis Part Fits:\u003cp\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1987-1988\u003c\/td\u003e\n\u003ctd\u003ePorsche\u003c\/td\u003e\n\u003ctd\u003e944\u003c\/td\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1991\u003c\/td\u003e\n\u003ctd\u003ePorsche\u003c\/td\u003e\n\u003ctd\u003e944\u003c\/td\u003e\n\u003ctd\u003eS2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989\u003c\/td\u003e\n\u003ctd\u003ePorsche\u003c\/td\u003e\n\u003ctd\u003e944\u003c\/td\u003e\n\u003ctd\u003eTurbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1995\u003c\/td\u003e\n\u003ctd\u003ePorsche\u003c\/td\u003e\n\u003ctd\u003e968\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1985\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1985\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003ctd\u003eS Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003ctd\u003eSE Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1986-1991\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003ctd\u003eSPG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1985-1990,1992-1994\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003ctd\u003eTurbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1993-1994\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003ctd\u003eTurbo Commemorative Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e9000\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e9000\u003c\/td\u003e\n\u003ctd\u003eCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1990\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e9000\u003c\/td\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1986-1988,1990\u003c\/td\u003e\n\u003ctd\u003eSaab\u003c\/td\u003e\n\u003ctd\u003e9000\u003c\/td\u003e\n\u003ctd\u003eTurbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1993\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e240\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e240\u003c\/td\u003e\n\u003ctd\u003eDL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e240\u003c\/td\u003e\n\u003ctd\u003eGL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1988-1989\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e244\u003c\/td\u003e\n\u003ctd\u003eDL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1988-1989\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e244\u003c\/td\u003e\n\u003ctd\u003eGL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1988-1989\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e245\u003c\/td\u003e\n\u003ctd\u003eDL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1988-1989\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e245\u003c\/td\u003e\n\u003ctd\u003eGL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1992\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e740\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1990\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e740\u003c\/td\u003e\n\u003ctd\u003eGL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1985-1990\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e740\u003c\/td\u003e\n\u003ctd\u003eGLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991-1992\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e740\u003c\/td\u003e\n\u003ctd\u003eT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1985\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e745\u003c\/td\u003e\n\u003ctd\u003eGLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1985,1989-1990\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e760\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1985-1988\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e760\u003c\/td\u003e\n\u003ctd\u003eGLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1991\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e780\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e850\u003c\/td\u003e\n\u003ctd\u003eTurbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1995\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e940\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e940\u003c\/td\u003e\n\u003ctd\u003eGL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e940\u003c\/td\u003e\n\u003ctd\u003eSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991-1995\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e940\u003c\/td\u003e\n\u003ctd\u003eT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1997\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003e960\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1997-1998\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003eS90\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1997-1998\u003c\/td\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003eV90\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":46944299581589,"sku":"BOS0261231006","price":39.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/3777\/7813\/files\/0f79014b75cb49de74e9d4595c239f83.png?v=1770681061"},{"product_id":"maxxecu-maxxecu-bosch-high-den-knock-sensor","title":"MaxxECU -  MaxxECU Bosch High Den Knock sensor","description":"\u003cp\u003eFor M8 screw\u003c\/p\u003e","brand":"MaxxECU","offers":[{"title":"Default Title","offer_id":47519134646421,"sku":"1948","price":28.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/3777\/7813\/files\/1948--knock_sensor_bosch--01.jpg?v=1783026618"}],"url":"https:\/\/www.9tperformance.com\/collections\/knock-sensors.oembed","provider":"9T Performance","version":"1.0","type":"link"}