If your Mazda's check engine light is on or you're noticing poor fuel economy, it might be time for a new O2 sensor. This QIJIAUTO downstream oxygen sensor is compatible with Mazda 2 (2011-2014), Mazda 3 (2004-2009), and Mazda 6 (2006-2008) models with 2.0L, 2.3L, or 1.5L engines. It replaces OEM part #234-4329 and is built to meet or exceed original specs. Designed with a protective layer to resist poisoning and damage, it helps improve engine performance, reduce emissions, and restore fuel efficiency. Comes as a single 4-wire sensor with a female connector for easy installation. Always double-check your vehicle's year, model, and engine before ordering. A straightforward fix that can save you money on gas and keep your ride running smoothly.
