{"product_id":"dorman-knock-sensor-and-harness-kit-for-lexus-toyota-2-sensors-plug-and-play-harness-926-387","title":"Dorman Knock Sensor and Harness Kit for Lexus\/Toyota — 2 Sensors + Plug‑and‑Play Harness (926-387)","description":"\u003cp\u003e\u003cstrong\u003eComplete knock sensor repair kit that replaces both sensors and the wiring harness for compatible Lexus and Toyota models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your check engine light is on or the engine is misfiring, a failing knock sensor or its wiring can be the culprit. The Dorman 926-387 kit delivers both knock sensors plus the matching harness so you can restore correct sensor input to the engine control unit without sourcing multiple parts. Designed to match original connector locations and electrical characteristics, this kit is meant as a direct replacement for select Lexus ES300, RX300 and a range of Toyota Camry, Highlander, Sienna and Solara model years.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit help fix a knocking or rough-running engine?\u003c\/h3\u003e\n\u003cp\u003eThe sensors detect abnormal combustion (engine knock) and send signals to the vehicle’s computer to adjust ignition timing. Replacing both knock sensors and the harness eliminates common failure points—faulty sensor elements and damaged wiring—so the ECU receives accurate feedback again. Restoring correct sensor function helps the engine run closer to its designed timing strategy and can clear related diagnostic codes when the repair addresses the root cause.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes two knock sensors to replace both cylinder-bank sensing points.\u003c\/li\u003e\n  \u003cli\u003eSupplies the matched wiring harness to avoid splicing or aftermarket adapters.\u003c\/li\u003e\n  \u003cli\u003eConnectors and terminal orientations match original equipment for plug-and-play fit.\u003c\/li\u003e\n  \u003cli\u003eAddresses ECU misreads caused by open circuits, shorts, or degraded sensor output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit fit my Lexus ES300, RX300 or Toyota model year?\u003c\/h3\u003e\n\u003cp\u003eThe kit fits specific model years across Lexus ES300, RX300 and several Toyota models listed by year. Because trim and engine variations can affect compatibility, verify your exact fitment before purchase. Use the garage lookup or input make, model and trim to confirm this part number suits your vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible Lexus ES300: 1996–2003 and RX300: 1999–2003 years.\u003c\/li\u003e\n  \u003cli\u003eCompatible Toyota Camry: 1994–2006, Highlander: 2001–2003, Sienna: 1998–2003, Solara: 1999–2003.\u003c\/li\u003e\n  \u003cli\u003eCheck vehicle trim and engine code in the garage tool for precise matching.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow straightforward is installation and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed for direct replacement—connectors and harness geometry match original parts to minimize modification. Basic hand tools and moderate mechanical skill are required for sensor access, which can vary by engine bay layout. If you’re comfortable removing intake components and using a torque wrench for sensor installation, the kit enables a quick repair compared with tracking down individual items.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play harness requires no cutting, splicing, or rewiring.\u003c\/li\u003e\n  \u003cli\u003eCommon tools: ratchet set, sockets for sensor threads, pliers for clips, torque wrench.\u003c\/li\u003e\n  \u003cli\u003eAccess may require removal of intake covers or components on some models.\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle service manual torque specs when tightening sensors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat quality and value does Dorman provide with this kit?\u003c\/h3\u003e\n\u003cp\u003eDorman benchmarks its replacement parts to match original fit and function while offering cost advantages over dealer pricing. The kit’s components are tested to meet electrical and mechanical requirements typical of the factory parts they replace. For many owners, the combined sensor-and-harness approach reduces installation time and parts mismatch risk compared with buying sensors and harness separately.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured to match original connectors and electrical characteristics.\u003c\/li\u003e\n  \u003cli\u003eSold as a complete set to avoid compatibility gaps between separate parts.\u003c\/li\u003e\n  \u003cli\u003eOften offers savings versus OEM single-part purchases while supporting proper operation.\u003c\/li\u003e\n  \u003cli\u003eRecommended to confirm fitment using your vehicle details before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Dorman 926-387 kit is aimed at DIY mechanics and independent shops repairing late-1990s to early-2000s Lexus ES300 and RX300 or Toyota Camry, Highlander, Sienna and Solara vehicles that show knock-related fault codes or intermittent ignition timing issues. If you want a single, matched replacement that includes both sensors and the connecting harness for a cleaner, plug-and-play installation, this kit provides a convenient, cost-conscious option—just verify fitment to your exact model and engine before installation.\u003c\/p\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: Does this kit include both sensors and the harness?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the Dorman 926-387 kit contains two knock sensors and the matching wiring harness for a complete replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm this part fits my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Enter your vehicle make, model and trim in the garage lookup or compare the listed model years and engine fitment before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":48083872022686,"sku":"B08P53JHDP","price":81.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/dorman-knock-sensor-kit-front-packaging.jpg?v=1785837856","url":"https:\/\/northtrailauto.ca\/products\/dorman-knock-sensor-and-harness-kit-for-lexus-toyota-2-sensors-plug-and-play-harness-926-387","provider":"North Trail Auto","version":"1.0","type":"link"}