{"product_id":"necatuo-o2-oxygen-sensor-for-polaris-rzr-sportsman-4016021-oem-fit-direct-replacement-for-570-1000-models","title":"NECATUO O2 Oxygen Sensor for Polaris RZR \u0026 Sportsman — 4016021 OEM Fit, Direct Replacement for 570\/1000 Models","description":"\u003cp\u003e\u003cstrong\u003eThe NECATUO 4016021 oxygen (O2) sensor is a direct-fit replacement for specific Polaris RZR, Sportsman and other Polaris models that restores correct air-fuel sensing for the engine management system.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis OEM-quality sensor (also referenced as part numbers 4016021 and 4013979) is built to match original equipment specifications so you can replace a failing O2 sensor quickly and maintain engine performance and emission monitoring. NECATUO manufactures the unit from durable materials and designs it for straightforward installation where the factory sensor was originally mounted.\u003c\/p\u003e\n\n\u003ch3\u003eHow will swapping to this NECATUO O2 sensor affect performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn or faulty oxygen sensor helps the engine control unit get accurate exhaust oxygen readings so fuel delivery and ignition timing can be adjusted as intended. While it’s not a performance upgrade, restoring correct sensor feedback often improves throttle response and fuel economy compared with a degraded sensor.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores accurate air-fuel ratio feedback to the ECU\u003c\/li\u003e\n  \u003cli\u003eHelps reduce rough idling caused by incorrect oxygen readings\u003c\/li\u003e\n  \u003cli\u003eSupports consistent fuel trim adjustments and engine response\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this NECATUO part compatible with my Polaris or Indian motorcycles?\u003c\/h3\u003e\n\u003cp\u003eThis sensor is supplied to fit a wide range of Polaris vehicles and some Indian\/other fits depending on year and model. Always cross-check your vehicle’s OE part number or use the site’s fitment filter before purchase to ensure it matches your application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReferenced OEM numbers: 4016021 and 4013979 for compatibility checks\u003c\/li\u003e\n  \u003cli\u003eCommon fits include RZR XP 1000, RZR XP 4 1000, Sportsman 570, General 1000 and several 2015–2019 Polaris models\u003c\/li\u003e\n  \u003cli\u003eVerify year\/model and engine variant with your vehicle’s parts manual or fitment tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eNECATUO builds this O2 sensor to match OE fit, form and function so it installs like the factory unit in most cases. Basic hand tools, an O2 sensor socket or a deep 7\/8\" socket, and appropriate safety precautions are typically all that’s needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect battery and allow exhaust to cool before starting\u003c\/li\u003e\n  \u003cli\u003eUse an O2 sensor socket or crowfoot to avoid damaging the connector or wiring\u003c\/li\u003e\n  \u003cli\u003eApply anti-seize (if recommended) to threads and torque to factory spec\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and quality features does the NECATUO sensor offer?\u003c\/h3\u003e\n\u003cp\u003eManufactured from high-grade materials, this NECATUO sensor is designed for longevity and reliable signal generation under typical vehicle operating conditions. The construction aims to preserve the catalytic converter’s lifespan by ensuring accurate exhaust monitoring.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM-style housing and connector for direct replacement\u003c\/li\u003e\n  \u003cli\u003eDurable sensing element engineered for long service life\u003c\/li\u003e\n  \u003cli\u003eBuilt to meet fit, form and function expectations of factory units\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This NECATUO 4016021 O2 sensor is suited to owners and technicians of Polaris RZR, Sportsman, General and like-model vehicles who need a reliable, direct-replacement oxygen sensor. It’s aimed at DIY mechanics and professional shops requiring an OEM-spec part to restore proper exhaust sensing on compatible 2015–2019 model years and similar fits. Confirm your vehicle’s part number or use the fitment tool before ordering to ensure proper compatibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this NECATUO O2 sensor fit my 2016 Polaris RZR XP 1000 Turbo?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the 4016021\/4013979 NECATUO sensor lists compatibility with 2016 RZR XP 1000 Turbo models; confirm with your VIN or fitment filter first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install the NECATUO oxygen sensor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You’ll typically need an O2 sensor socket or deep 7\/8\" socket, basic hand tools, and to follow safety steps like disconnecting the battery.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NECATUO","offers":[{"title":"Default Title","offer_id":48085621670046,"sku":"B0D182YDPN","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/necatuo-4016021-front-view.jpg?v=1785874943","url":"https:\/\/northtrailauto.ca\/products\/necatuo-o2-oxygen-sensor-for-polaris-rzr-sportsman-4016021-oem-fit-direct-replacement-for-570-1000-models","provider":"North Trail Auto","version":"1.0","type":"link"}