{"product_id":"walker-350-34594-oxygen-sensor","title":"Walker 350-34594 Oxygen Sensor - Upstream Left or Upstream Right","description":"\u003ch2\u003eOverview of Walker Oxygen Sensor 350-34594 for BMW 530i and 540i\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34594 oxygen sensor is designed specifically for BMW 530i and 540i models, ensuring precise emission control and optimal engine performance. 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-wire configuration\u003c\/li\u003e\n\u003cli\u003eSpecific fit for BMW 530i and 540i models\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\u003eWiring harness length of 20.2 inches and overall length of 23.74 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement of 20 for durability and signal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34594 oxygen sensor is engineered to meet the exact specifications required by BMW 530i and 540i vehicles. Featuring a heated sensor type, it helps the engine control module accurately monitor and adjust the air-fuel mixture for efficient combustion and reduced emissions. The sensor includes a 4-wire design, which supports heating elements and signal transmission, improving sensor response time and reliability.\u003c\/p\u003e\u003cp\u003eThe sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. Its radiused polygon male connector provides a precise and stable electrical connection, minimizing the risk of disconnection or signal loss. The wiring harness length of 20.2 inches and overall length of 23.74 inches allow for proper routing and installation within the vehicle’s engine bay.\u003c\/p\u003e\u003ch2\u003eWalker Products Aftermarket Line\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM standards. The product line emphasizes compatibility and durability, making it a reliable choice for maintaining emission system performance in BMW vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel ratio management\u003c\/li\u003e\n\u003cli\u003eHelps resolve engine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring correct catalytic converter operation\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by maintaining optimal combustion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cool before sensor removal to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate oxygen sensor socket for threaded removal and installation\u003c\/li\u003e\n\u003cli\u003eVerify connector type matches the vehicle harness before installation\u003c\/li\u003e\n\u003cli\u003eDo not over-tighten; follow torque specifications for 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eInspect wiring harness for damage and secure routing to prevent abrasion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The 350-34594 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43538372067509,"sku":"DKHD-350-34594","price":60.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034594_Fro.jpg?v=1774892126","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34594-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}