{"product_id":"walker-250-241027-oxygen-sensor","title":"Walker 250-241027 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Walker 250-241027 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 250-241027 oxygen sensor is designed specifically for select BMW models, including the 228i, 320i, 328i, 428i, 528i, 530i, X1, X3, X4, X5, and Z4. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4-wire design for reliable operation\u003c\/li\u003e\n\u003cli\u003eSpecific fit for various BMW models ensuring proper installation\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 23.15 inches and overall length of 26.69 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 22 for durability and signal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Walker Products OE oxygen sensor (part number 250-241027) features a heated sensor element that allows for faster warm-up times and improved emissions control. The 4-wire configuration supports both the sensor signal and heater circuit, enhancing responsiveness and durability. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The radiused polygon male connector is designed for a precise and reliable electrical connection, reducing the risk of disconnection or signal loss. With a wiring harness length of 23.15 inches and an overall length of 26.69 inches, this sensor is engineered to fit the specified BMW models without modification.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Brand Line Information\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed components. Choosing a Walker Products OE sensor helps maintain the integrity of your BMW’s emission control system and supports compliance with environmental regulations.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for efficient engine operation\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring proper combustion control\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by maintaining optimal sensor performance\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Walker 250-241027 oxygen sensor requires removal of the old sensor from the exhaust manifold or pipe. Ensure the threaded mounting hole is clean and free of debris before installation. The radiused polygon male connector should be securely connected to the vehicle’s wiring harness to avoid electrical issues. Use appropriate tools to tighten the sensor to the manufacturer’s torque specifications to prevent damage. It is recommended to verify sensor operation with a diagnostic tool after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. This part number 250-241027 is backed by Walker’s quality assurance protocols, providing confidence in its reliability for BMW vehicles. Please refer to Walker’s official documentation for specific warranty details.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43531651907765,"sku":"DKHD-250-241027","price":93.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_250241027_Fro_aaaee1bf-1e6c-4d6c-b8d6-23eee0848984.jpg?v=1774891560","url":"https:\/\/www.partcatalog.com\/products\/walker-250-241027-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}