{"product_id":"ntk-25574-oxygen-sensor-upstream","title":"NTK 25574 Oxygen Sensor - Upstream","description":"\u003ch2\u003eDirect-fit oxygen sensor\u003c\/h2\u003e\u003cp\u003eThe NTK 25574 is a heated, threaded oxygen sensor built for specific applications with direct-fit installation. It is engineered for Volkswagen Golf and Volkswagen Jetta upstream locations where OE-equivalent fit, form, and function are required.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster operating response\u003c\/li\u003e\n\u003cli\u003eSpecific-fit design for direct replacement applications\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e3-wire configuration with 38.7500 harness length\u003c\/li\u003e\n\u003cli\u003eNTK 25574 part number for application matching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed application coverage\u003c\/h2\u003e\u003cp\u003eFits 1991-1992 Volkswagen Golf, upstream. Fits 1991-1992 Volkswagen Jetta, upstream. Additional Volkswagen Jetta coverage includes 1991 upstream applications with California emissions notes, plus 1987-1990 upstream applications with OE-equivalent design notes. This NTK oxygen sensor is part of the Direct Fit Oxygen Sensor line, which focuses on application-specific replacement parts built to streamline selection and maintain OE-style fit and function. The 25574 is a practical choice for restoring accurate exhaust feedback in import applications, and the NTK 25574 reference helps confirm the correct sensor for the listed Volkswagen Golf and Volkswagen Jetta fitments.\u003c\/p\u003e\u003ch2\u003eCommon replacement concerns\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light caused by a failing oxygen sensor\u003c\/li\u003e\n\u003cli\u003eSlow sensor response affecting air-fuel control\u003c\/li\u003e\n\u003cli\u003eIncorrect exhaust feedback from a worn heated sensor\u003c\/li\u003e\n\u003cli\u003eFitment issues when replacing a threaded upstream sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and quality\u003c\/h2\u003e\u003cp\u003eVerify the vehicle year, emissions configuration, chassis break, and upstream position against the fitment notes before installation. Confirm the 3-wire layout, threaded mounting style, and harness length match the original sensor. NTK states these oxygen sensors are extensively tested during manufacturing to meet or exceed OE specifications, and the brand is recognized as a major original equipment oxygen sensor supplier.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731438526645,"sku":"BFPZ-25574","price":93.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25574_Fro.jpg?v=1794296365","url":"https:\/\/www.partcatalog.com\/products\/ntk-25574-oxygen-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}