{"product_id":"ntk-27040-air-fuel-ratio-sensor-upstream","title":"NTK 27040 Air \/ Fuel Ratio Sensor - Upstream","description":"\u003ch2\u003eDirect-Fit Air\/Fuel Ratio Sensor\u003c\/h2\u003e\u003cp\u003eNTK 27040 is a specific-fit air\/fuel ratio sensor for Volkswagen Jetta upstream applications. It uses a heated 5-wire design and is built to match OE fit, form, and function for the listed applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit replacement for direct application matching\u003c\/li\u003e\n\u003cli\u003eHeated sensor design for stable operation\u003c\/li\u003e\n\u003cli\u003e5-wire configuration for the listed OE-style setup\u003c\/li\u003e\n\u003cli\u003e18.000 mm thread diameter with 0.38 thread length\u003c\/li\u003e\n\u003cli\u003e29.41 wiring harness length for proper routing\u003c\/li\u003e\n\u003cli\u003eNTK 27040 part number for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication Details\u003c\/h2\u003e\u003cp\u003eCompatible with 2016-2021 Volkswagen Jetta upstream positions, including 2016-2019 models noted as Bank 1 Sensor 1 and 2020-2021 models listed as OE MFR: NTK direct-fit air\/fuel ratio sensor applications. This part cross-references 04E906262EE for the same application. NTK 27040 is manufactured by NTK, a sensor specialist with OE-level coverage and manufacturing controls focused on ceramic sensor technology.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Sensor May Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFault codes related to air\/fuel ratio sensor performance\u003c\/li\u003e\n\u003cli\u003eIncorrect fuel mixture readings from a worn sensor\u003c\/li\u003e\n\u003cli\u003eRough idle or drivability concerns tied to sensor feedback\u003c\/li\u003e\n\u003cli\u003eEmissions test failures caused by inaccurate exhaust monitoring\u003c\/li\u003e\n\u003cli\u003eDelayed or unstable sensor response in the upstream circuit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the connector, thread size, and harness length against the original sensor before installation. Confirm the vehicle uses the upstream application shown in the fitment data and follow the service procedure for the Volkswagen Jetta platform. The mounting bracket is not included.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNTK states that its oxygen sensors are extensively tested during manufacturing and built to meet or exceed OE specifications. The brand also emphasizes OE fit, form, and function for application-specific replacement.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731446784181,"sku":"BFPZ-27040","price":112.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_27040_Fro.jpg?v=1794297173","url":"https:\/\/www.partcatalog.com\/products\/ntk-27040-air-fuel-ratio-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}