QIJIAUTO Heated O2 Oxygen Sensor Downstream for Mazda 3 Replace 250-24676

Key features

• Vehicle Fitment - Precisely engineered for Mazda 2 2011-2017,for Mazda 3 2004-2009,for Mazda 6 2006-2008. This O2 sensor is designed to match your vehicle's original connector and thread configuration. Critically, verify your engine code (VIN 8th digit) and production date before ordering.
• Addresses Common Fuel Inefficiencies - Experiencing fuel mixture imbalances, reduced mileage, or hesitant acceleration? This oxygen sensor delivers stable, precise air-to-combustion ratio data to the ECU, helping restore smooth idle performance and optimal daily driving economy. A properly functioning lambda sensor assists in maintaining the factory fuel trim.
• Robust, Enduring Construction - Built with a premium dual-layer zirconia ceramic sensing element housed in a double laser-welded stainless steel body. This O2 sensor design withstands extreme under-hood thermal cycling, resists corrosion, and ensures consistent signal output for reliable, long-term engine system operation.
• Straightforward, Factory-Style Installation - Engineered as a true direct-fit replacement with an exact-match factory connector, pre-coated threads, and a plug-and-play design. This oxygen sensor facilitates a straightforward swap, minimizing installation complexity and supporting smooth, consistent engine performance.
• Important Fitment Notes - To ensure a correct fit, cross-reference the OEM part number on your original sensor and its position (Upstream/Front vs. Downstream/Rear) with our product images. Use the "Amazon Confirmed Fit" tool—if a blue "i" appears, hover over it for critical notes. Disclaimer: This is an aftermarket replacement part, not made by the vehicle manufacturer. Any mention of vehicle brands, models, or part numbers is for compatibility identification only.

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