{"product_id":"denso-234-4040-oxygen-sensor","title":"Denso 234-4040 Oxygen Sensor - Downstream Rear","description":"\u003ch2\u003eOverview of the Denso OE Style Oxygen Sensor 234-4040\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4040 is designed specifically for Mazda 6 and Mazda 626 models. This heated oxygen sensor features a threaded mounting type and a male connector, ensuring a precise fit and reliable performance for emission control systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for accurate emissions monitoring\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Mazda 6 and Mazda 626 vehicles\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 0.708 inch thread diameter\u003c\/li\u003e\n\u003cli\u003e18.70 inch wiring harness length with 4 wires\u003c\/li\u003e\n\u003cli\u003eMale connector for secure electrical connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Denso 234-4040 oxygen sensor is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. Its 18.70-inch wiring harness length allows for proper routing within the engine bay, while the 4-wire configuration supports both the sensor signal and heater circuit. The sensor’s threaded mounting type with a 0.708-inch diameter ensures compatibility with the exhaust system of Mazda 6 and Mazda 626 models. The male connector design facilitates a secure and reliable electrical connection, reducing the risk of signal loss or corrosion.\u003c\/p\u003e\u003ch2\u003eAbout the Denso OE Style Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Style line from Denso focuses on delivering oxygen sensors that match original equipment specifications. This ensures that the 234-4040 sensor maintains the same fit, form, and function as the factory-installed part. The OE Style sensors are designed to meet or exceed OEM standards, providing consistent performance and durability for emission control systems.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper air-fuel ratio monitoring in Mazda 6 and Mazda 626\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by providing accurate sensor data\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by ensuring correct sensor operation\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues caused by faulty oxygen sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4040 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length and connector type match the vehicle’s specifications before installation. Apply anti-seize compound to the sensor threads if recommended, but avoid contaminating the sensor tip. Tighten the sensor to the manufacturer’s torque specifications to prevent leaks.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso oxygen sensors, including the 234-4040, are manufactured to meet strict quality standards and undergo rigorous testing to ensure reliability and durability. The OE Style product line is designed to provide consistent performance comparable to original equipment parts. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43976651407541,"sku":"BBNF-234-4040","price":59.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344040_Fro.jpg?v=1775007246","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4040-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}