Oxygen Sensor for 2007-2012 Mazda CX-7 & More - Bosch 15782

Bosch 15782 oxygen sensor for the 2007-2012 Mazda CX-7 4-cylinder 2.3L and other vehicles reads the air-fuel ratio in the exhaust and reports it to the ECU. This upstream wideband sensor gives the ECU a continuous reading, which it uses to control fueling.

• Wideband design that measures the air-fuel ratio across the full lambda range
• Built to withstand exhaust streams up to 1,880°F
• Metal housing, integrated heater element and TSP coating to resist vibration, corrosion and contamination
• Reaches operating temperature in <7 seconds for quick closed-loop control
• Bosch Wideband A/F Oxygen (O2) Sensors product line

Quick facts

• Part: Bosch 15782 oxygen sensor
• Fits: 2007-2012 Mazda CX-7 4-cylinder 2.3L and other vehicles
• Position: Upstream
• Material: Metal housing
• Condition: New

A check engine light, worse fuel economy or a rough idle can go along with an aging oxygen sensor. Before you replace it, rule out a damaged connector or wiring, an exhaust leak ahead of the sensor and an engine misfire, since any of them can set off similar symptoms.

Fits

This oxygen sensor for the 2006-2007 Mazda 6 4-cylinder 2.3L also fits the 2007-2012 Mazda CX-7 4-cylinder 2.3L. Both cars take one upstream sensor, and this listing is one sensor.

Specifications

In the box

One oxygen sensor with its wiring harness.

Installation notes

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