{"product_id":"walker-350-34025-oxygen-sensor","title":"Walker 350-34025 Oxygen Sensor - Upstream, Upstream Left or Upstream Right","description":"\u003ch2\u003eOverview of Walker 350-34025 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34025 oxygen sensor is designed specifically for select BMW models, including the 325i, 325is, 530i, 540i, 740i, 740iL, and M3. 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 sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for BMW 325i, 325is, 530i, 540i, 740i, 740iL, and M3 models\u003c\/li\u003e\n\u003cli\u003e10.55-inch wiring harness length with 4 wires of 20 gauge\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon female connector for secure connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 14.09 inches for proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker Products Aftermarket oxygen sensor (part number 350-34025) is engineered to meet the exact specifications of various BMW vehicles. Featuring a heated sensor element, it provides quicker warm-up times compared to non-heated sensors, which helps reduce emissions during cold starts. The sensor includes a 10.55-inch wiring harness with four 20-gauge wires, ensuring reliable electrical connectivity. Its radiused polygon female connector and threaded mounting type with an 18.0 mm thread diameter allow for a secure and precise fit. The overall length of 14.09 inches supports proper placement within the exhaust system.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eThe Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, designed to provide dependable performance and compatibility with specific vehicle applications. By adhering to strict manufacturing and quality control processes, Walker ensures that this sensor integrates seamlessly with the vehicle’s emission system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel mixture control\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor engine performance\u003c\/li\u003e\n\u003cli\u003eReduces excessive emissions and improves fuel efficiency\u003c\/li\u003e\n\u003cli\u003eEliminates check engine light codes related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003ePrevents failed emissions tests due to sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 350-34025 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the connector’s radiused polygon shape and female gender match the vehicle’s harness for a proper connection. Thread the sensor carefully into the exhaust port to the specified 18.0 mm diameter to prevent cross-threading. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and vehicle-specific requirements. This part number 350-34025 is manufactured to provide consistent performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to ensure customer confidence in the product.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43537955356853,"sku":"DKHD-350-34025","price":66.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034025_Fro_e608a7e1-7bee-4457-9e12-77023c16d7b9.jpg?v=1774891951","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34025-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}