Oxygen Sensor for 2004-2009 Mazda 3 & More - Bosch 15916

Bosch 15916 oxygen sensor for the 2004-2009 Mazda 3 4-cylinder 2.0L, the 2006-2009 3 4-cylinder 2.3L and other vehicles reads the oxygen in the exhaust after the catalytic converter and reports it to the ECU. This Bosch O2 sensor is a heated, switching-type narrow-band unit that helps keep combustion stable and emissions down.

• Narrow-band switching design with an integrated heater element
• Reaches operating temperature in under 10 seconds for quick closed-loop control
• Metal housing and TSP coating, built to resist corrosion and contamination
• Ceramic element and optimized heater control for a consistent signal under heat and vibration

Quick facts

• Part: Bosch 15916 oxygen sensor
• Fits: 2004-2009 Mazda 3 4-cylinder 2.0L, the 2006-2009 3 4-cylinder 2.3L and other vehicles
• Position: Downstream
• Material: Metal housing
• Condition: New

An exhaust leak, the upstream oxygen sensor or a worn catalytic converter can be behind a check engine light, lower fuel economy or a failed emissions test, and so can this sensor wearing out. Find the cause before buying a new sensor.

Fits

This downstream oxygen sensor fits the 2004-2009 Mazda 3 4-cylinder 2.0L, the 2006-2009 3 4-cylinder 2.3L and the 2011-2014 Mazda 2 4-cylinder 1.5L. It goes in the downstream position, one per engine, and this listing is one sensor.

Specifications

In the box

One oxygen sensor with its wiring harness. A mounting bracket and additional accessories are not included.

Installation notes

• Direct-fit connectors
• Conductive anti-seize is pre-applied on the threads