{"product_id":"ntk-25227-oxygen-sensor-downstream-left","title":"NTK 25227 Oxygen Sensor - Downstream Left","description":"\u003ch2\u003eDirect-Fit Oxygen Sensor for Mercedes-Benz\u003c\/h2\u003e\u003cp\u003eNTK 25227 is a direct-fit heated oxygen sensor built for specific applications and threaded mounting. It is engineered for downstream left placement on select Mercedes-Benz models, including GLE400, GLE43 AMG, and GLS450 applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit design for specific applications\u003c\/li\u003e\n\u003cli\u003eHeated oxygen sensor construction\u003c\/li\u003e\n\u003cli\u003e4-wire configuration\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type\u003c\/li\u003e\n\u003cli\u003e18 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e9.09 in. wiring harness length\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNTK 25227 is part of the Direct Fit Oxygen Sensor line, which focuses on application-specific replacement and OE-style fit, form, and function. NTK is known for oxygen sensor manufacturing and uses ceramic technology control from raw material through finished production. This sensor is built for downstream left fitment on Mercedes-Benz GLE400, GLE43 AMG, GLS450, GL450, GLE450 AMG, and ML400 applications, making it a targeted replacement for vehicles that require the correct sensor configuration and connector layout. The part number 25227 is also referenced in OE-style interchange listings for related applications.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a failed heated oxygen sensor\u003c\/li\u003e\n\u003cli\u003eRestoring proper exhaust gas monitoring\u003c\/li\u003e\n\u003cli\u003eAddressing sensor-related fault codes\u003c\/li\u003e\n\u003cli\u003eCorrecting drivability issues tied to inaccurate air-fuel feedback\u003c\/li\u003e\n\u003cli\u003eResolving emissions inspection concerns caused by sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the downstream left location, thread diameter, wire count, and harness length before installation. This is a specific-fit sensor, so matching the connector and mounting style to the original part is important. Confirm the vehicle application against the part number 25227 before ordering.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNTK tests oxygen sensors during manufacturing to meet or exceed OE specifications. As part of the NGK family and a major original equipment oxygen sensor supplier, NTK 25227 is produced with OE application standards in mind.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731436036277,"sku":"BFPZ-25227","price":102.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25227_Fro.jpg?v=1794296066","url":"https:\/\/www.partcatalog.com\/products\/ntk-25227-oxygen-sensor-downstream-left","provider":"PartCatalog","version":"1.0","type":"link"}