Front Oxygen Sensor for 2002-2006 Mazda MPV - Bosch 15257

Bosch 15257 front oxygen sensor for the 2002-2006 Mazda MPV V6 3.0L measures air-fuel ratio in the exhaust and reports it to the ECU. This Bosch O2 sensor is a heated narrow-band type that helps the ECU keep combustion stable.

• Switching-type narrow-band design that sends air-fuel-ratio feedback to the ECU
• Metal housing, integrated heater element and TSP coating that resist vibration, corrosion and contamination
• Built to withstand exhaust streams up to 1,880°F
• Reaches operating temperature in under 10 seconds for quick closed-loop control
• Ceramic elements and optimized heater control for consistent performance under thermal and vibration loads

Quick facts

• Part: Bosch 15257 oxygen sensor
• Fits: 2002-2006 Mazda MPV V6 3.0L
• Position: Downstream front
• Material: Metal
• Condition: New

An exhaust leak, a misfire or damaged wiring can be behind a check engine light, poor fuel economy or a rough idle just as a worn sensor can, so find the cause before you buy. If the oxygen sensor is at fault, this one replaces it.

Fits

This oxygen sensor is a direct-fit replacement for the 2002-2006 Mazda MPV V6 3.0L in the downstream front position. The listing is one sensor, and that engine takes one in this position.

Specifications

In the box

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

Installation notes

• Conductive anti-seize is pre-applied to the threads.
• Direct-fit connectors are made for quick installation.