Oxygen Sensor for 2004-2005 Mazda 3 & More - Bosch 13769

Bosch 13769 oxygen sensor for the 2004-2005 Mazda 3 4-cylinder 2.0L or 2.3L and other vehicles reads exhaust oxygen and sends air-fuel-ratio data to the ECU. This Bosch O2 sensor is an upstream, switching-type narrow-band unit that the ECU uses for closed-loop combustion control.

• Integrated heater element and ceramic elements for consistent performance under thermal and vibration loads
• Reaches operating temperature in under 10 seconds for quick closed-loop control
• Withstands exhaust streams up to 1,880°F
• TSP coating resists vibration, corrosion and contamination

Quick facts

• Part: Bosch 13769 oxygen sensor
• Fits: 2004-2005 Mazda 3 4-cylinder 2.0L or 2.3L and other vehicles
• Position: Upstream
• Material: Metal housing
• Condition: New

A check engine light, poorer fuel economy or a rough idle can mean the sensor is worn, though a leaking exhaust manifold gasket or a faulty mass airflow sensor can be behind them too, so find the cause before replacing it. This listing is one sensor; the 2004-2005 Mazda 3 4-cylinder 2.0L or 2.3L takes one.

Fits

This upstream oxygen sensor fits the 2004-2005 Mazda 3 4-cylinder 2.0L or 2.3L and the 2006-2007 Mazda 5 4-cylinder 2.3L.

Specifications

In the box

One oxygen sensor with its wiring harness. A mounting bracket is not included.

Installation notes

• Conductive anti-seize comes pre-applied on the threads.
• The direct-fit connector is made for quick installation.