{"product_id":"walker-250-23066-oxygen-sensor-upstream","title":"Walker 250-23066 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 250-23066 Oxygen Sensor for Mercedes-Benz 190E\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE 250-23066 oxygen sensor is designed specifically for the Mercedes-Benz 190E. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fitment and reliable performance in emission control systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 3-wire configuration\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Mercedes-Benz 190E models\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 18.00 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eRadiused polygon female connector for secure connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 18.23 inches and overall length of 21.77 inches\u003c\/li\u003e\n\u003cli\u003e20 gauge wire for durability and signal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor (part number 250-23066) is engineered with a heated sensor type to provide faster response times and improved fuel efficiency. The sensor includes three wires with 20 gauge measurement, which supports accurate signal transmission to the vehicle’s engine control unit. The wiring harness length of 18.23 inches and overall length of 21.77 inches allow for proper routing and installation within the engine bay. The threaded mounting type with an 18.00 mm diameter ensures a secure and leak-free fit. The connector features a radiused polygon shape with a female gender, designed to match the factory wiring harness of the Mercedes-Benz 190E.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Brand Line Information\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, providing a direct replacement solution for emission control sensors. The OE designation indicates compatibility and performance aligned with the original sensor installed on the Mercedes-Benz 190E, supporting proper engine management and emissions compliance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen level readings for optimal air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and engine hesitation issues\u003c\/li\u003e\n\u003cli\u003eReduces increased emissions caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003ePrevents 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\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-23066 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use appropriate tools to avoid damaging the sensor or connector. Verify the radiused polygon female connector matches the vehicle’s wiring harness for a secure connection. It is recommended to replace the sensor when the engine is cool to prevent injury and ensure proper torque application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain emission system integrity and supports compliance with environmental regulations.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52169509798069,"sku":"DKHD-250-23066","price":84.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25023066_Fro.jpg?v=1775590743","url":"https:\/\/www.partcatalog.com\/products\/walker-250-23066-oxygen-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}