{"product_id":"213-3521-dual-knock-sensors-kit-for-1999-07-chevy-tahoe-suburban-gmc-4-8-5-3-6-0","title":"213-3521 Dual Knock Sensors Kit for 1999-07 Chevy Tahoe Suburban GMC 4.8 5.3 6.0","description":"\u003cstrong\u003eThis Dual Knock Sensors Kit is a direct replacement engine knock sensor set compatible with 1999-2007 Chevrolet Tahoe, Suburban, and GMC Yukon\/Yukon XL models with 4.8L, 5.3L, and 6.0L V8 engines and matches OEM part number 213-3521.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003eThe 213-3521 Dual Knock Sensors Kit restores proper engine timing by detecting detonation in your GM truck or SUV. Designed to replace corroded or failed sensors on 1999-2007 Chevy Tahoe, Suburban, and GMC Yukon vehicles, this dual knock sensor kit eliminates false knock readings and check engine lights. It includes two sensors and a new harness, ensuring a complete repair for 4.8L, 5.3L, and 6.0L Vortec engines.\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAccurate piezoelectric sensors deliver consistent signal to the ECU\u003c\/li\u003e\n\u003cli\u003eKit includes two knock sensors and replacement wiring harness\u003c\/li\u003e\n\u003cli\u003ePre-assembled weather-resistant connectors guard against moisture and corrosion\u003c\/li\u003e\n\u003cli\u003eOEM-spec flat-response design matches factory calibration\u003c\/li\u003e\n\u003cli\u003eHelps resolve trouble codes P0325, P0330, and related pinging issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1999-2007 Chevrolet Tahoe (4.8L, 5.3L, 6.0L)\u003c\/li\u003e\n\u003cli\u003e1999-2007 Chevrolet Suburban (4.8L, 5.3L, 6.0L)\u003c\/li\u003e\n\u003cli\u003e1999-2007 GMC Yukon \/ Yukon XL (4.8L, 5.3L, 6.0L)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing faulty knock sensors causing reduced power and poor fuel economy\u003c\/li\u003e\n\u003cli\u003eFixing persistent check engine light codes P0325, P0330, P0327, P0332\u003c\/li\u003e\n\u003cli\u003eServicing sensors during intake manifold gasket replacement\u003c\/li\u003e\n\u003cli\u003eRestoring detonation protection on high-mileage Vortec engines\u003c\/li\u003e\n\u003cli\u003ePreventive maintenance when upgrading intake or engine management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 213-3521\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Piezoelectric (flat response)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e Weatherproof 2-pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Includes:\u003c\/strong\u003e 2 knock sensors and replacement wiring harness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this kit fix a P0325 or P0330 trouble code on my 2005 Tahoe?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, these codes commonly indicate knock sensor failure; installing the 213-3521 kit often clears them, but we recommend confirming the wiring first.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace the intake manifold gaskets at the same time?\u003cstrong\u003e A:\u003c\/strong\u003e The knock sensors are located under the intake manifold, so replacing the intake gaskets while the manifold is off is highly recommended.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679688548625,"sku":"ZZ3A00764","price":94.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_937f8ceb-3f66-432b-934f-9743d4af42be.jpg?v=1781653181","url":"https:\/\/www.duraforce.com\/products\/213-3521-dual-knock-sensors-kit-for-1999-07-chevy-tahoe-suburban-gmc-4-8-5-3-6-0","provider":"DURAFORCE","version":"1.0","type":"link"}