{"product_id":"walker-250-54127-oxygen-sensor","title":"Walker 250-54127 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 250-54127 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 250-54127 oxygen sensor is designed for precise emission control in select INFINITI and Nissan vehicles. This sensor helps maintain optimal engine performance and emissions compliance for models such as the Altima, Armada, Maxima, Murano, Pathfinder, QX50, QX55, QX60, QX80, TITAN, and TITAN XD.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with multiple INFINITI and Nissan models\u003c\/li\u003e\n\u003cli\u003ePart of the Walker Products OE line for reliable OE-quality performance\u003c\/li\u003e\n\u003cli\u003eEnsures accurate air-fuel mixture readings for emission control\u003c\/li\u003e\n\u003cli\u003eDirect replacement oxygen sensor with part number 250-54127\u003c\/li\u003e\n\u003cli\u003eSupports emission system diagnostics and engine efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWalker Products OE Line Details\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed manufacturer specifications. The 250-54127 oxygen sensor is engineered to provide consistent performance and durability, aligning with the standards expected in factory-installed components for INFINITI and Nissan vehicles.\u003c\/p\u003e\u003ch2\u003eProduct Description and Function\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor monitors the oxygen levels in the exhaust gases of compatible INFINITI and Nissan vehicles, including the Altima, Armada, Maxima, Murano, Pathfinder, QX50, QX55, QX60, QX80, TITAN, and TITAN XD. By providing real-time data to the engine control unit (ECU), it helps regulate the air-fuel mixture for efficient combustion and reduced emissions. The Walker 250-54127 sensor is a direct fit replacement designed to maintain the integrity of the vehicle’s emission control system.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy due to incorrect air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eIncreased exhaust emissions and failed emissions tests\u003c\/li\u003e\n\u003cli\u003eEngine performance problems such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003ePotential damage to catalytic converter from improper combustion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-54127 oxygen sensor, ensure the vehicle is compatible by verifying the make and model. Use proper tools to avoid damaging the sensor or wiring harness. It is recommended to replace the sensor when the engine is cool to prevent burns. After installation, clear any diagnostic trouble codes and perform a system check to confirm proper operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE parts, including the 250-54127 oxygen sensor, are manufactured to meet stringent quality standards. This oxygen sensor undergoes rigorous testing to ensure durability and reliable performance in emission control applications. Warranty coverage details should be confirmed with the distributor or retailer.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43533689520309,"sku":"DKHD-250-54127","price":144.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25054127_Fro.jpg?v=1774891839","url":"https:\/\/www.partcatalog.com\/products\/walker-250-54127-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}