{"product_id":"standard-ignition-ks475-ignition-knock-detonation-sensor","title":"Standard Ignition KS475 Ignition Knock (Detonation) Sensor","description":"\u003ch2\u003eOverview of Standard Ignition KS475 Knock Sensor for Smart Fortwo\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition KS475 Ignition Knock (Detonation) Sensor is designed specifically for Smart Fortwo vehicles. This sensor plays a critical role in detecting engine knock and ensuring optimal engine performance by providing accurate feedback to the engine control unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect mounting type for secure installation\u003c\/li\u003e\n\u003cli\u003ePush-on attachment method for easy connection\u003c\/li\u003e\n\u003cli\u003eTwo male blade terminals for reliable electrical contact\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003cli\u003eCompatible with Smart Fortwo models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe KS475 knock sensor from Standard Ignition is engineered to detect engine detonation by sensing vibrations caused by knocking. It features a direct mounting type that allows it to be installed firmly on the engine block, ensuring precise detection. The sensor uses a push-on attachment method with two male blade terminals, which simplifies the electrical connection process. Although mounting hardware is not included, the sensor’s design supports straightforward replacement in Smart Fortwo vehicles. This part number KS475 is manufactured to meet OEM specifications, providing consistent performance and durability.\u003c\/p\u003e\u003ch2\u003eFunction and Common Applications\u003c\/h2\u003e\u003cp\u003eThis ignition knock sensor is essential for maintaining engine efficiency and preventing damage caused by detonation. It is commonly used to address issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine knocking or pinging noises\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by knock sensor faults\u003c\/li\u003e\n\u003cli\u003ePoor engine performance or hesitation\u003c\/li\u003e\n\u003cli\u003eIncreased emissions due to improper combustion timing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Standard Ignition KS475 sensor on a Smart Fortwo, ensure the engine is cool before beginning the replacement. The sensor mounts directly to the engine block and connects via two male blade terminals using a push-on method. Since mounting hardware is not included, retain the original hardware or source compatible fasteners. Proper torque specifications should be followed to avoid sensor damage or improper function.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable operation and longevity. The KS475 knock sensor undergoes rigorous testing to verify its performance under various conditions. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44690890227893,"sku":"FBHK-KS475","price":135.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_KS475_Fro.jpg?v=1775081035","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-ks475-ignition-knock-detonation-sensor","provider":"PartCatalog","version":"1.0","type":"link"}