Oxygen Sensor for 2001-2005 Mazda Miata - Bosch 13866

Bosch 13866 oxygen sensor for the 2001-2005 Mazda Miata 4-cylinder 1.8L sends air-fuel-ratio readings to the ECU from the downstream position. This Bosch O2 sensor helps the ECU keep combustion stable and emissions down.

• Heated narrow-band switching-type sensor with advanced ceramic elements and optimized heater control
• Withstands exhaust streams up to 1,880°F
• Metal housing, integrated heater element and TSP coating resist vibration, corrosion and contamination
• Reaches operating temperature in under 10 seconds for quick closed-loop control

Quick facts

• Part: Bosch 13866 oxygen sensor
• Fits: 2001-2005 Mazda Miata 4-cylinder 1.8L
• Position: Downstream
• Material: Metal housing
• Condition: New

A check engine light, rough running or poorer fuel economy can mean the oxygen sensor is wearing out, but other faults produce the same signs. With the engine off and cool, look over the sensor's wiring and connector for cracks, melted insulation or corrosion before you replace anything.

Fits

This sensor is a direct-fit replacement for the 2001-2005 Mazda Miata 4-cylinder 1.8L.

Specifications

In the box

One oxygen sensor with its wiring harness; a mounting bracket is not included. This listing is one sensor, and the 2001-2005 Mazda Miata 4-cylinder 1.8L takes one.

Installation notes

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