{"product_id":"walker-250-21019-oxygen-sensor","title":"Walker 250-21019 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker Products OE Oxygen Sensor 250-21019\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE 250-21019 oxygen sensor is designed specifically for select Ford and Mazda vehicles, including the B2600, Festiva, and RX-7 models. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fitment and reliable performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWiring harness length: 12.32 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement: 20 gauge\u003c\/li\u003e\n\u003cli\u003eSensor type: Non-heated oxygen sensor\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Ford and Mazda models\u003c\/li\u003e\n\u003cli\u003eConnector shape: Radiused polygon with female gender\u003c\/li\u003e\n\u003cli\u003eThread diameter: 18.0 mm\u003c\/li\u003e\n\u003cli\u003eOverall length: 15.87 inches\u003c\/li\u003e\n\u003cli\u003eMounting type: Threaded\u003c\/li\u003e\n\u003cli\u003eSingle wire configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-21019 oxygen sensor is engineered to provide accurate air-fuel mixture readings for optimal engine performance and emissions control. Its non-heated design and 20-gauge wire ensure compatibility with the vehicle’s existing wiring harness, while the 18.0 mm threaded mounting allows for secure installation. The radiused polygon female connector is designed for a specific fit, reducing the risk of connection issues in Ford B2600, Mazda Festiva, and RX-7 models.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps correct inaccurate oxygen readings that cause poor fuel economy\u003c\/li\u003e\n\u003cli\u003eResolves engine hesitation or rough idling related to faulty sensors\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper air-fuel mixture monitoring\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine performance in Ford B2600, Mazda Festiva, and RX-7 vehicles\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 removing the old sensor to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools for the 18.0 mm threaded sensor to prevent damage\u003c\/li\u003e\n\u003cli\u003eVerify connector compatibility with the radiused polygon female plug\u003c\/li\u003e\n\u003cli\u003eCheck wiring harness length (12.32 inches) to confirm fitment in the engine bay\u003c\/li\u003e\n\u003cli\u003eFollow vehicle-specific service manual instructions for sensor replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE parts are manufactured to meet original equipment standards, providing reliable performance and durability. The 250-21019 oxygen sensor undergoes rigorous quality control to ensure consistent operation. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, supporting long-term vehicle emissions compliance.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43528082555061,"sku":"DKHD-250-21019","price":58.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25021019_Fro.jpg?v=1774891494","url":"https:\/\/www.partcatalog.com\/products\/walker-250-21019-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}