{"product_id":"walker-250-24445-oxygen-sensor","title":"Walker 250-24445 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 250-24445 Oxygen Sensor for BMW M3 and Z3\u003c\/h2\u003e\u003cp\u003eThe Walker 250-24445 oxygen sensor is designed specifically for BMW M3 and Z3 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4 wires for accurate readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for BMW M3 and Z3 models\u003c\/li\u003e\n\u003cli\u003e29.84-inch wiring harness length for flexible placement\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for reliable connection\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for durability and signal integrity\u003c\/li\u003e\n\u003cli\u003eOverall length of 33.39 inches for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor (part number 250-24445) is engineered with a heated sensor element to ensure faster warm-up times and improved emission control under various operating conditions. The sensor includes four wires, allowing for precise signal transmission and heater control. Its 29.84-inch wiring harness length offers sufficient reach for installation in the engine bay of BMW M3 and Z3 vehicles. The connector features a radiused polygon shape with a male gender, designed to match the factory wiring harness for a secure and accurate fit. The threaded mounting type with an 18.0 mm diameter ensures compatibility with the original sensor location, maintaining OEM standards.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Brand Line\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring it matches the fit, form, and function required by BMW M3 and Z3 models. Using Walker Products OE parts helps maintain vehicle emission compliance and engine efficiency by providing reliable sensor performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for optimal air-fuel mixture\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 sensor feedback\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by maintaining correct sensor operation\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues caused by faulty sensor signals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-24445 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the connector matches the factory harness to avoid connection issues. Proper torque specifications should be followed to avoid sensor damage or exhaust leaks.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker oxygen sensors undergo rigorous testing to meet emission control standards and durability requirements. The 250-24445 part number is backed by Walker's quality assurance processes, ensuring reliable performance in BMW M3 and Z3 applications. Warranty details are provided by Walker and typically cover defects in materials and workmanship under normal use.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43532201164981,"sku":"DKHD-250-24445","price":100.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25024445_Fro.jpg?v=1774891671","url":"https:\/\/www.partcatalog.com\/products\/walker-250-24445-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}