{"product_id":"ntk-21511-oxygen-sensor-downstream","title":"NTK 21511 Oxygen Sensor - Downstream","description":"\u003ch2\u003eDirect-Fit Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eNTK Oxygen Sensor 21511 is a direct-fit, heated oxygen sensor built for specific applications with threaded mounting and a 4-wire design. It is engineered for downstream use and matches the original equipment style for straightforward replacement on select Mitsubishi applications.\u003c\/p\u003e\u003cp\u003eNTK 21511 is part of the Direct Fit Oxygen Sensor line, which focuses on application-specific coverage and OE-style fit, form, and function. NTK draws on its ceramics expertise and OE sensor manufacturing background to deliver a sensor that aligns with original equipment requirements.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster operating response.\u003c\/li\u003e\n\u003cli\u003eSpecific-fit design for direct replacement.\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18 mm thread diameter.\u003c\/li\u003e\n\u003cli\u003e24-inch wiring harness length for application matching.\u003c\/li\u003e\n\u003cli\u003e4-wire configuration for the listed emissions applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment and Application\u003c\/h2\u003e\u003cp\u003eCompatible with select Mitsubishi emissions applications. Fits 2003 Mitsubishi Outlander, downstream. Fits 2000 Mitsubishi Eclipse, downstream. Fits 1997-2000 Mitsubishi Mirage, downstream.\u003c\/p\u003e\u003cp\u003eThis part cross-references Bosch 13417 and DENSO Auto Parts 234-4639 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light concerns related to oxygen sensor performance.\u003c\/li\u003e\n\u003cli\u003eIncorrect air-fuel ratio feedback from a worn sensor.\u003c\/li\u003e\n\u003cli\u003eSlow sensor response in heated oxygen sensor circuits.\u003c\/li\u003e\n\u003cli\u003eReplacement needs for downstream emissions monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Quality\u003c\/h2\u003e\u003cp\u003eUse the threaded mounting style and harness length to confirm application match before installation. Verify connector routing and sensor location against the vehicle's original configuration.\u003c\/p\u003e\u003cp\u003eNTK tests these oxygen sensors during manufacturing to meet or exceed OE specifications, supporting reliable fit and function for import and domestic applications.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731383017653,"sku":"BFPZ-21511","price":100.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_21511_Fro.jpg?v=1794294437","url":"https:\/\/www.partcatalog.com\/products\/ntk-21511-oxygen-sensor-downstream","provider":"PartCatalog","version":"1.0","type":"link"}