{"product_id":"beck-arnley-158-1303-ignition-knock-detonation-sensor","title":"Beck Arnley 158-1303 Ignition Knock (Detonation) Sensor","description":"\u003ch2\u003eReliable Ignition Knock Sensor for Subaru Vehicles\u003c\/h2\u003e\u003cp\u003eThe Beck Arnley 158-1303 Ignition Knock (Detonation) Sensor is designed to monitor engine knocking and ensure optimal performance for Subaru models including Baja, Forester, Impreza, Legacy, and Outback. This sensor plays a critical role in emission control by detecting detonation and helping the engine management system adjust timing accordingly.\u003c\/p\u003e\u003ch2\u003eKey Features of Beck Arnley 158-1303 Knock Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Subaru Baja, Forester, Impreza, Legacy, and Outback models\u003c\/li\u003e\n\u003cli\u003eMonitors engine knock to prevent detonation damage\u003c\/li\u003e\n\u003cli\u003eSupports emission control systems by providing accurate sensor data\u003c\/li\u003e\n\u003cli\u003eContains lead as a chemical component, requiring proper handling\u003c\/li\u003e\n\u003cli\u003eOEM-quality fit and function for reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Beck Arnley 158-1303 ignition knock sensor is engineered to detect abnormal combustion events, commonly known as engine knock or detonation, in Subaru vehicles. By sensing vibrations caused by knocking, it sends signals to the engine control unit (ECU) to adjust ignition timing and prevent engine damage. This sensor is essential for maintaining efficient engine operation and reducing harmful emissions. The presence of lead as a chemical component in the sensor highlights the importance of careful installation and disposal in accordance with environmental regulations.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents engine damage caused by knocking or detonation\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper ignition timing for Subaru Baja, Forester, Impreza, Legacy, and Outback\u003c\/li\u003e\n\u003cli\u003eSupports emission control compliance by providing accurate knock detection\u003c\/li\u003e\n\u003cli\u003eReduces engine noise and vibration related to detonation\u003c\/li\u003e\n\u003cli\u003eImproves overall engine performance and fuel efficiency\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 Baja, Forester, Impreza, Legacy, or Outback\u003c\/li\u003e\n\u003cli\u003eHandle the sensor carefully due to the presence of lead; follow safety guidelines\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications to avoid sensor damage\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery before installation to prevent electrical issues\u003c\/li\u003e\n\u003cli\u003eVerify sensor wiring and connections for secure fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eBeck Arnley parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 158-1303 ignition knock sensor undergoes rigorous quality control testing to provide consistent operation in Subaru vehicles. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or region.\u003c\/p\u003e","brand":"Beck Arnley","offers":[{"title":"Default Title","offer_id":44509578592437,"sku":"BBGB-158-1303","price":79.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BA_1581303_Oth_958e5d88-46bd-44c1-8a20-fd66365d38c2.jpg?v=1775023511","url":"https:\/\/www.partcatalog.com\/products\/beck-arnley-158-1303-ignition-knock-detonation-sensor","provider":"PartCatalog","version":"1.0","type":"link"}