<div data-store-description="v1"> <p>Upstream Oxygen Sensor JQ531JX for Mazda B2300 (2001-2009). Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Upstream Oxygen Sensor</p> <p>Fits Models: - Mazda B2300</p> <p>Model Years: - 2001–2009</p> <p>Submodels: - Common trims include Base, SE; chassis code: UN; body style: Pickup</p> <p>Engine Options: - 2.3L I4 (engine code: FP)</p> <p>Description: This upstream oxygen sensor is designed for the Mazda B2300 from 2001 to 2009. It plays a crucial role in monitoring the exhaust gases and ensuring optimal engine performance and emissions control.</p> <p>Features: - Direct fit replacement for easy installation - Improves fuel efficiency and reduces emissions - Durable construction for long-lasting performance - Compatible with standard engine options</p> <p>Part Number: JQ531JX</p>