{"product_id":"ntk-24551-oxygen-sensor-downstream-or-upstream","title":"NTK 24551 Oxygen Sensor - Downstream or Upstream","description":"\u003ch2\u003eDirect-fit oxygen sensor\u003c\/h2\u003e\u003cp\u003eNTK 24551 is a direct-fit heated oxygen sensor built for specific import and domestic applications. It uses a 4-wire design, a flange mount, and a 9-inch harness for OE-style replacement on supported vehicles.\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\u003e4-wire configuration with 18 mm thread diameter.\u003c\/li\u003e\n\u003cli\u003eFlange mounting style for OE-style installation.\u003c\/li\u003e\n\u003cli\u003e9-inch wiring harness length.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed description\u003c\/h2\u003e\u003cp\u003eNTK 24551 is part of the Direct Fit Oxygen Sensor line from NTK, a brand within the NGK family of products. NTK focuses on streamlined coverage for import and domestic applications, and its oxygen sensors are manufactured with ceramic expertise and tested during production to meet OE-level expectations for fit, form, and function. This part is used in applications such as 1990-1992 Toyota Land Cruiser, 1989-1991 Toyota Pickup, 1988 Toyota Corolla, and 1988 Chevrolet Nova. It also fits earlier Toyota Land Cruiser applications, including 1981-1985 and 1986-1987 models, with application-specific notes. The part number 24551 is also referenced in OE-style replacement listings for these vehicles.\u003c\/p\u003e\u003ch2\u003eWhat it can solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFaulty oxygen sensor readings.\u003c\/li\u003e\n\u003cli\u003eCheck engine light concerns related to sensor performance.\u003c\/li\u003e\n\u003cli\u003eAir-fuel ratio control issues.\u003c\/li\u003e\n\u003cli\u003eEmissions test failures caused by sensor degradation.\u003c\/li\u003e\n\u003cli\u003eSlow sensor response from an aging heated sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and quality\u003c\/h2\u003e\u003cp\u003eCompatible With specific upstream and downstream applications listed in the fitment table. Match the mounting type, thread diameter, wire count, and harness length to the original sensor before installation. Fitment includes Toyota Land Cruiser, Toyota Pickup, Toyota Corolla, and Chevrolet Nova applications. NTK states that these oxygen sensors are extensively tested during manufacturing to support quality and reliability that meet or exceed OE specifications.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731410018485,"sku":"BFPZ-24551","price":89.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_24551_Fro.jpg?v=1794295608","url":"https:\/\/www.partcatalog.com\/products\/ntk-24551-oxygen-sensor-downstream-or-upstream","provider":"PartCatalog","version":"1.0","type":"link"}