{"product_id":"global-parts-1811742-ignition-knock-detonation-sensor","title":"Global Parts 1811742 Ignition Knock (Detonation) Sensor","description":"\u003ch2\u003eOverview of Global Parts Ignition Knock Sensor 1811742\u003c\/h2\u003e\u003cp\u003eThe Global Parts Ignition Knock (Detonation) Sensor 1811742 is designed for precise detection of engine knock in Subaru vehicles. Compatible with Subaru Forester, Impreza, Legacy, and Outback models, this sensor helps maintain optimal engine performance by monitoring detonation events.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLength: 3.75 inches for proper fitment\u003c\/li\u003e\n\u003cli\u003eBlade terminal type ensuring secure electrical connection\u003c\/li\u003e\n\u003cli\u003eSingle female oblong connector for reliable wiring harness integration\u003c\/li\u003e\n\u003cli\u003eIncludes wiring harness for straightforward installation\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included, allowing use of existing components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis ignition knock sensor from Global Parts (part number 1811742) is engineered to detect engine detonation by sensing vibrations caused by knocking. The sensor’s 3.75-inch length and blade terminal type provide compatibility with the factory wiring harnesses of Subaru Forester, Impreza, Legacy, and Outback models. Featuring one female oblong connector and a single terminal, it ensures a secure and accurate signal transmission to the engine control unit (ECU). The included wiring harness simplifies the replacement process, although mounting hardware is not supplied and should be reused from the original sensor.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDetects engine knock to prevent potential damage\u003c\/li\u003e\n\u003cli\u003eHelps improve fuel efficiency by optimizing ignition timing\u003c\/li\u003e\n\u003cli\u003eReduces engine noise caused by detonation\u003c\/li\u003e\n\u003cli\u003ePrevents engine misfires related to knock sensor failure\u003c\/li\u003e\n\u003cli\u003eSupports emission control by maintaining proper combustion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is compatible: Subaru Forester, Impreza, Legacy, or Outback\u003c\/li\u003e\n\u003cli\u003eUse existing mounting hardware from the original sensor\u003c\/li\u003e\n\u003cli\u003eVerify the wiring harness connection matches the female oblong connector\u003c\/li\u003e\n\u003cli\u003eHandle the sensor carefully to avoid damage to the blade terminal\u003c\/li\u003e\n\u003cli\u003eConsult the vehicle’s service manual for torque specifications and sensor location\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGlobal Parts provides this ignition knock sensor with quality standards that meet OEM specifications. While mounting hardware is not included, the sensor and wiring harness are manufactured to ensure reliable performance. Please refer to Global Parts’ warranty policy for coverage details related to part number 1811742.\u003c\/p\u003e","brand":"Global Parts","offers":[{"title":"Default Title","offer_id":43818237231285,"sku":"BKNH-1811742","price":36.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/GP_1811742_Fro_f27beb2d-dc57-42ea-88b0-cb7f505e62d2.jpg?v=1774999514","url":"https:\/\/www.partcatalog.com\/products\/global-parts-1811742-ignition-knock-detonation-sensor","provider":"PartCatalog","version":"1.0","type":"link"}