{"product_id":"walker-250-25066-oxygen-sensor","title":"Walker 250-25066 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker Products OE Oxygen Sensor 250-25066\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE Oxygen Sensor 250-25066 is designed specifically for Mazda 6 and CX-7 models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Mazda 6 and CX-7 vehicles\u003c\/li\u003e\n\u003cli\u003e29.06-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003cli\u003e20 gauge wire measurement with 5 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 32.6 inches for correct positioning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor from Walker Products OE is engineered to meet the exact specifications required by Mazda 6 and CX-7 models. Featuring a heated sensor element, it provides quicker warm-up times compared to non-heated sensors, improving fuel efficiency and reducing emissions sooner after engine start. The 5-wire design with 20 gauge wiring ensures stable and accurate data transmission to the vehicle’s engine control unit. The radiused polygon male connector and threaded mounting type with an 18.0 mm diameter allow for a secure and precise fit, minimizing installation issues. The wiring harness length of 29.06 inches and overall length of 32.6 inches are tailored to fit the specific routing and mounting points on compatible Mazda vehicles.\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, ensuring compatibility and performance consistent with Mazda’s original components. The OE designation indicates that this sensor is designed for direct replacement without modification, supporting reliable emissions control and engine management systems.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain proper air-fuel mixture for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces engine misfires caused by faulty oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003ePrevents increased emissions and failed emissions tests\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by providing accurate exhaust gas data\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker Products OE oxygen sensor 250-25066, ensure the vehicle is compatible with Mazda 6 or CX-7 models. Use proper tools to avoid damaging the threaded mounting or connector. Verify the wiring harness length and connector shape match the vehicle’s harness to ensure a secure connection. It is recommended to replace the sensor when the engine is cool to prevent burns and to apply anti-seize compound on the threads if not pre-applied.\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 for part number 250-25066 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43533214777525,"sku":"DKHD-250-25066","price":105.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25025066_Fro.jpg?v=1774891788","url":"https:\/\/www.partcatalog.com\/products\/walker-250-25066-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}