Right Oxygen Sensor for 2003-2005 Mazda 6 & More - Bosch 15427

Bosch 15427 right oxygen sensor for the 2003-2005 Mazda 6 4-cylinder 2.3L and other vehicles reads the air-fuel ratio in the exhaust and reports it to the ECU. This heated narrow-band sensor helps the ECU keep combustion stable and emissions down.

• Ceramic sensing element with optimized heater control for consistent readings under thermal and vibration loads
• Reaches operating temperature in under 10 seconds, so the ECU gets a signal quickly after a cold start
• Built to withstand exhaust streams up to 1,880°F
• Metal housing, integrated heater element and TSP coating to resist vibration, corrosion and contamination

Quick facts

• Part: Bosch 15427 oxygen sensor
• Fits: 2003-2005 Mazda 6 4-cylinder 2.3L and other vehicles
• Position: Upstream, upstream right
• Material: Metal housing
• Condition: New

A worn oxygen sensor can show up as a check engine light, a rough idle or poorer fuel economy. Before you replace the sensor, rule out an exhaust leak, a wiring or connector fault and a misfire, since each can look the same. If the sensor is the cause, this one replaces it.

Fits

It fits as an oxygen sensor for the 2003-2005 Mazda 6 4-cylinder 2.3L and the 2001-2002 Mazda Millenia V6 2.5L.

Specifications

In the box

One oxygen sensor with its wiring harness; a mounting bracket is not included. This listing is one sensor for the upstream right position, and that position takes one.

Installation notes

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