{"product_id":"walker-250-241161-oxygen-sensor","title":"Walker 250-241161 Oxygen Sensor - Downstream or Downstream Right","description":"\u003ch2\u003eOverview of Walker 250-241161 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 250-241161 oxygen sensor is designed specifically for select BMW models, including the 335i, 435i, and M3. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.\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 BMW models such as 335i, 435i, M3, and more\u003c\/li\u003e\n\u003cli\u003e18.50-inch wiring harness length with 20-gauge wire for durability\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18.0 mm thread diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for proper electrical connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 21.65 inches to accommodate factory fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWalker Products OE Brand Line Details\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures compatibility and performance for emission control components, making it a reliable choice for maintaining BMW vehicles’ emission systems.\u003c\/p\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Walker 250-241161 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved sensor response. It includes a 4-wire configuration with 20-gauge wiring, providing stable signal transmission and durability. The wiring harness length of 18.50 inches and overall length of 21.65 inches are engineered to match the specific fitment requirements of BMW models such as the 335i, 435i, and M3 series. The sensor mounts via a threaded connection with an 18.0 mm diameter, ensuring a secure and leak-free installation. The radiused polygon male connector is designed to fit factory wiring harnesses precisely, reducing the risk of electrical issues.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW 335i and 335i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 435i, 435i Gran Coupe, and 435i xDrive variants\u003c\/li\u003e\n\u003cli\u003eBMW 535i GT and 535i GT xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 640i, 640i Gran Coupe, and 640i xDrive models\u003c\/li\u003e\n\u003cli\u003eBMW ActiveHybrid 3 and ActiveHybrid 5\u003c\/li\u003e\n\u003cli\u003eBMW i3, i3s, and i8 electric\/hybrid models\u003c\/li\u003e\n\u003cli\u003eBMW M2, M3, M4, M235i, and M235i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW X4, X5, and X6 SUVs\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 degradation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-241161 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the radiused polygon male connector aligns properly with the factory wiring harness to ensure a secure electrical connection. It is recommended to inspect the wiring harness for any damage before installation. Follow OEM torque specifications to avoid sensor or exhaust manifold damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-241161 undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in the product’s longevity and function.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43531756863669,"sku":"DKHD-250-241161","price":98.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_250241161_Fro.jpg?v=1774891583","url":"https:\/\/www.partcatalog.com\/products\/walker-250-241161-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}