{"product_id":"walker-250-54081-oxygen-sensor","title":"Walker 250-54081 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 250-54081 Oxygen Sensor for Mazda Vehicles\u003c\/h2\u003e\u003cp\u003eThe Walker 250-54081 oxygen sensor is designed specifically for select Mazda models, providing precise emissions control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4 wires for accurate readings\u003c\/li\u003e\n\u003cli\u003eSpecific fitment for Mazda vehicles ensuring compatibility\u003c\/li\u003e\n\u003cli\u003e21.18-inch wiring harness length for flexible installation\u003c\/li\u003e\n\u003cli\u003e20 gauge wire measurement for durability and signal integrity\u003c\/li\u003e\n\u003cli\u003eThread diameter of 18.0 mm with threaded mounting type\u003c\/li\u003e\n\u003cli\u003eRadiused polygon female connector for reliable connection\u003c\/li\u003e\n\u003cli\u003eOverall length of 24.72 inches to accommodate various engine layouts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Attributes\u003c\/h2\u003e\u003cp\u003eThis Walker Products OE oxygen sensor (part number 250-54081) is engineered to meet the exact specifications required by Mazda vehicles. The sensor is heated, which allows it to reach operating temperature quickly, improving emissions control and fuel efficiency. It includes four wires with a 20 gauge measurement, ensuring consistent electrical performance and durability. The wiring harness length of 21.18 inches and overall length of 24.72 inches provide ample reach for installation in the engine bay. The sensor mounts via an 18.0 mm threaded connection, compatible with the original equipment setup. The connector features a radiused polygon shape with a female gender, designed to fit securely with the vehicle’s wiring harness.\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 standards. This oxygen sensor is part of that line, ensuring it matches the fit, form, and function of the original sensor installed on Mazda vehicles. Using a Walker Products OE sensor helps maintain proper emissions control and engine management system performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen level readings for engine control units\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper air-fuel mixture adjustments\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine performance and drivability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-54081 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct 18.0 mm socket for sensor removal and installation. Verify the connector’s radiused polygon female shape matches the vehicle harness before securing. Avoid twisting or damaging the wiring harness during installation. It is recommended to apply anti-seize compound on the threads if not pre-applied to facilitate future removal.\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. This part is designed to provide reliable operation under normal driving conditions. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43533620379829,"sku":"DKHD-250-54081","price":150.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25054081_Fro.jpg?v=1774891830","url":"https:\/\/www.partcatalog.com\/products\/walker-250-54081-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}