{"product_id":"ntk-21518-oxygen-sensor-ngk-oem-nos","title":"NTK 21518 Oxygen Sensor NGK OEM NOS","description":"\u003cp data-start=\"97\" data-end=\"399\"\u003eThis OEM NTK (NGK) 21518 oxygen sensor is designed to monitor exhaust gas oxygen levels and provide accurate feedback to the engine control unit for optimal fuel-air mixture control. It plays a critical role in improving engine efficiency, reducing emissions, and maintaining smooth engine performance.\u003c\/p\u003e\n\u003cp data-start=\"401\" data-end=\"635\"\u003eManufactured by NTK, the sensor is built to OEM standards for precision, reliability, and long service life. It delivers accurate readings under varying engine temperatures and operating conditions, ensuring proper combustion control.\u003c\/p\u003e\n\u003cp data-start=\"637\" data-end=\"812\"\u003eIdeal for emissions system repair or replacement, this NOS oxygen sensor restores factory-level performance and supports efficient engine operation in compatible applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"pm8yra\" data-start=\"819\" data-end=\"839\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"823\" data-end=\"839\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"841\" data-end=\"1617\"\u003e\n\u003cli data-section-id=\"1idvjr8\" data-start=\"841\" data-end=\"968\"\u003e\n\u003cstrong data-start=\"1310\" data-end=\"1337\"\u003eDirect Replacement Fit:\u003c\/strong\u003e Designed for compatible applications using part number 21518.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1204\" data-end=\"1229\"\u003eStable Signal Output:\u003c\/strong\u003e Provides consistent readings for smooth engine performance and diagnostics.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1099\" data-end=\"1125\"\u003eDurable Sensor Design:\u003c\/strong\u003e Built to withstand high exhaust temperatures and harsh engine conditions.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"kpfo6v\" data-start=\"1516\" data-end=\"1617\"\u003e\n\u003cstrong data-start=\"1518\" data-end=\"1536\"\u003eNOS Condition:\u003c\/strong\u003e New Old Stock original NTK sensor ensuring unused factory-quality performance.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"1404\" data-end=\"1433\"\u003eEmission Control Support:\u003c\/strong\u003e Helps maintain proper catalytic converter performance and emissions compliance.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"971\" data-end=\"1003\"\u003ePrecise Air-Fuel Monitoring:\u003c\/strong\u003e Helps the ECU maintain optimal fuel mixture for improved efficiency and reduced emissions.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-start=\"843\" data-end=\"867\"\u003eOEM NTK\/NGK Quality:\u003c\/strong\u003e Manufactured to original equipment standards for accurate and reliable oxygen sensing performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"2l0mzs\" data-start=\"1624\" data-end=\"1646\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1628\" data-end=\"1646\"\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1648\" data-end=\"1823\"\u003e\n\u003cli data-section-id=\"1fahqqd\" data-start=\"1648\" data-end=\"1672\"\u003e\n\u003cstrong data-start=\"1650\" data-end=\"1660\"\u003eBrand:\u003c\/strong\u003e NTK \/ NGK\u003c\/li\u003e\n\u003cli data-section-id=\"j3yqft\" data-start=\"1673\" data-end=\"1699\"\u003e\n\u003cstrong data-start=\"1675\" data-end=\"1691\"\u003ePart Number:\u003c\/strong\u003e 21518\u003c\/li\u003e\n\u003cli data-section-id=\"1ymdjo5\" data-start=\"1700\" data-end=\"1735\"\u003e\n\u003cstrong data-start=\"1702\" data-end=\"1719\"\u003eProduct Type:\u003c\/strong\u003e Oxygen Sensor\u003c\/li\u003e\n\u003cli data-section-id=\"1ex00vd\" data-start=\"1736\" data-end=\"1774\"\u003e\n\u003cstrong data-start=\"1738\" data-end=\"1752\"\u003eCondition:\u003c\/strong\u003e NOS (New Old Stock)\u003c\/li\u003e\n\u003cli data-section-id=\"1ne6c44\" data-start=\"1775\" data-end=\"1823\"\u003e\n\u003cstrong data-start=\"1777\" data-end=\"1793\"\u003eApplication:\u003c\/strong\u003e Automotive Emissions System\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NTK Oxygen Sensors","offers":[{"title":"Default Title","offer_id":51223375544622,"sku":"EB-174662020798","price":25.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/2417\/4638\/files\/57_806692a6-10f7-416f-99db-dc8e73be2338.png?v=1761914677","url":"https:\/\/decoysupply.com\/products\/ntk-21518-oxygen-sensor-ngk-oem-nos","provider":"Decoy Supply","version":"1.0","type":"link"}