{"product_id":"ntk-27091-air-fuel-ratio-sensor-downstream-or-upstream","title":"NTK 27091 Air \/ Fuel Ratio Sensor - Downstream or Upstream","description":"\u003ch2\u003eDirect-Fit Air\/Fuel Ratio Sensor\u003c\/h2\u003e\u003cp\u003eNTK 27091 is a specific-fit heated air\/fuel ratio sensor for Ram 2500 and Ram 3500 applications. It is built as a 5-wire sensor with OE-equivalent design details for direct replacement service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit replacement for targeted applications\u003c\/li\u003e\n\u003cli\u003eHeated sensor design for faster operating response\u003c\/li\u003e\n\u003cli\u003e5-wire configuration for air\/fuel ratio monitoring\u003c\/li\u003e\n\u003cli\u003e18.00 mm thread diameter and 0.38 thread length\u003c\/li\u003e\n\u003cli\u003e13.78 wiring harness length for application-specific routing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment and Application Details\u003c\/h2\u003e\u003cp\u003eFits 2011-2012 Ram 2500, upstream and downstream. Fits 2011-2012 Ram 3500, upstream and downstream. Fits 2007-2010 Dodge Ram 2500, upstream and downstream. Fits 2007-2010 Dodge Ram 3500, upstream and downstream. This part cross-references Bosch 17212 and DENSO Auto Parts 234-5090 for the same application.\u003c\/p\u003e\u003cp\u003eNTK’s Direct Fit 5-Wire A\/F Sensor line is built for application-specific replacement work, with coverage focused on OE-style fit, form, and function. Part number 27091 is part of that direct-fit line and is intended for vehicles that use a heated 5-wire air\/fuel ratio sensor.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFault codes related to air\/fuel ratio sensor performance\u003c\/li\u003e\n\u003cli\u003eRough idle caused by inaccurate exhaust feedback\u003c\/li\u003e\n\u003cli\u003eFuel trim problems from a slow or degraded sensor\u003c\/li\u003e\n\u003cli\u003eEmissions test failures tied to sensor response issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Quality\u003c\/h2\u003e\u003cp\u003eUse the vehicle’s original sensor location and connector style as a reference before installation. Confirm thread diameter, thread length, and harness length against the removed unit to ensure proper routing and seating. NTK states that its oxygen sensors are extensively tested during manufacturing to meet or exceed OE specifications.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53621586395317,"sku":"BFPZ-27091","price":97.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_27091_Fro.jpg?v=1793168204","url":"https:\/\/www.partcatalog.com\/products\/ntk-27091-air-fuel-ratio-sensor-downstream-or-upstream","provider":"PartCatalog","version":"1.0","type":"link"}