{"product_id":"bosch-13471-oxygen-sensor-downstream","title":"Bosch 13471 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eBosch 13471 is a specific-fit oxygen sensor for emissions control applications. It uses a narrow-band, non-heated design to deliver air-fuel ratio feedback to the ECU for stable combustion control and lower emissions.\u003c\/p\u003e\u003cp\u003eFits 1990-1992 Lexus LS400, downstream. Bosch 13471 is built with a threaded mounting design, a rectangular connector, and a 2-wire layout for direct replacement use in the correct application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNarrow-band, non-heated oxygen sensor design\u003c\/li\u003e\n\u003cli\u003eSpecific-fit application with threaded mounting\u003c\/li\u003e\n\u003cli\u003eRectangular connector with male connector gender and female terminal gender\u003c\/li\u003e\n\u003cli\u003e2-wire harness configuration with included wiring harness\u003c\/li\u003e\n\u003cli\u003e22 mm hex size and 18 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eBosch Validated Oxygen Sensor line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eBosch 13471 is engineered as a switching-type oxygen sensor that reports exhaust oxygen content to the ECU so fuel control can stay accurate across changing operating conditions. Bosch’s ceramic sensing element and high-temperature materials are used to maintain consistent signal quality under heat and vibration, while the narrow-band design supports closed-loop operation in the intended emissions system.\u003c\/p\u003e\u003cp\u003eThis part cross-references Bosch 8946550020 for the same application. It is a direct-fit style replacement for the specified Lexus LS400 downstream location and is identified by part number 13471.\u003c\/p\u003e\u003cp\u003eThe Bosch Validated Oxygen Sensor line reflects Bosch’s OE development background and focus on accurate sensor output for emissions management. For buyers searching for a Lexus LS400 downstream oxygen sensor, Bosch 13471 provides the correct fitment profile and sensor configuration for the listed vehicles.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect air-fuel ratio readings\u003c\/li\u003e\n\u003cli\u003eUnstable closed-loop fuel control\u003c\/li\u003e\n\u003cli\u003eElevated exhaust emissions\u003c\/li\u003e\n\u003cli\u003eDelayed or inconsistent sensor response\u003c\/li\u003e\n\u003cli\u003eFaults caused by worn oxygen sensor elements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eConfirm the downstream location, threaded mounting style, connector shape, and 2-wire configuration before installation. Match the thread diameter and hex size to the original sensor, and verify harness routing and connector orientation during replacement. Bosch 13471 is a specific-fit oxygen sensor for the listed application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eBosch draws on more than five decades of OE sensor development, and this oxygen sensor uses materials and construction methods selected for thermal and vibration resistance. Part number 13471 is part of Bosch’s aftermarket oxygen sensor range built around OE-proven sensor technology.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":53497285312693,"sku":"BBHK-13471","price":93.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_13471_Fro.jpg?v=1791529793","url":"https:\/\/www.partcatalog.com\/products\/bosch-13471-oxygen-sensor-downstream","provider":"PartCatalog","version":"1.0","type":"link"}