{"product_id":"walker-350-34621-oxygen-sensor","title":"Walker 350-34621 Oxygen Sensor","description":"\u003ch2\u003eOverview of Walker 350-34621 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34621 oxygen sensor is designed specifically for a wide range of BMW models, including the 1 Series M, 3 Series, 5 Series, 6 Series, 7 Series, X Series, and Z4. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fitment for select BMW models\u003c\/li\u003e\n\u003cli\u003e21.18-inch wiring harness length for precise installation\u003c\/li\u003e\n\u003cli\u003e22 gauge wire measurement with 4 wires for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eOverall length of 24.72 inches for proper placement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWalker Products Aftermarket Line Details\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 specifications. The line emphasizes durability and compatibility, ensuring that parts like the 350-34621 oxygen sensor maintain vehicle emissions compliance and engine efficiency for BMW vehicles.\u003c\/p\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Walker 350-34621 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions sooner after engine start. The 4-wire design supports both the sensor signal and heater circuit, enhancing sensor reliability. Its radiused polygon male connector ensures a secure and precise fit, minimizing the risk of connection issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. With a wiring harness length of 21.18 inches and an overall length of 24.72 inches, this sensor is engineered for exact fitment in compatible BMW models.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW 1 Series M, 125i, 128i, 130i, 135i\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series: 323i, 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, 335i, 335is, 335i xDrive, 335xi\u003c\/li\u003e\n\u003cli\u003eBMW 5 Series: 525i, 528i, 528i xDrive, 528xi, 535i, 535i xDrive, 535xi, 550i, 550i GT, 550i GT xDrive, 550i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 6 Series: 650Ci, 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe\u003c\/li\u003e\n\u003cli\u003eBMW 7 Series: 740i, 740Li, 750i, 750i xDrive, 750Li, 750Li xDrive, 760Li\u003c\/li\u003e\n\u003cli\u003eBMW X Series: X1, X3, X5, X6\u003c\/li\u003e\n\u003cli\u003eBMW Z Series: Z4\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect air-fuel mixture readings causing poor fuel economy\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor signals\u003c\/li\u003e\n\u003cli\u003eIncreased emissions due to sensor malfunction\u003c\/li\u003e\n\u003cli\u003eEngine performance problems such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests related to sensor accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is cool before beginning installation to avoid burns. The threaded mounting type requires proper torque to avoid damage to the sensor or exhaust components. Verify the radiused polygon male connector aligns correctly with the vehicle’s wiring harness to ensure a secure connection. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to facilitate future removal. Confirm compatibility with your specific BMW model using the part number 350-34621 before installation.\u003c\/p\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. While specific warranty details for part number 350-34621 are not provided here, Walker typically offers limited warranties on their emission control components. Refer to the product documentation or manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":51870215340213,"sku":"DKHD-350-34621","price":53.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_35034621_Fro.jpg?v=1774892134","url":"https:\/\/www.partcatalog.com\/products\/walker-350-34621-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}