Oxygen Sensor for 1987-1989 Mazda B2200 & More - Walker 250-21014

Walker Products 250-21014 oxygen sensor for the 1987-1989 Mazda B2200 4-cylinder 2.2L and other vehicles measures the oxygen in the exhaust gas to show combustion efficiency. It is made for a specific application and sensor position, and it gives the ECU the diagnostic feedback that position calls for.

• Electrodes with a gas-permeable platinum layer
• Monitors exhaust gases and reduces pollutants
• Measures oxygen levels so the air-fuel mixture can be fine-tuned for fuel economy
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust
• Narrow-band sensor with an M18 - 1.5 thread

Quick facts

• Part: Walker Products 250-21014 oxygen sensor
• Fits: 1987-1989 Mazda B2200 4-cylinder 2.2L and other vehicles
• Position: Upstream
• Condition: New

A failed sensor can make the engine run poorly, raise fuel consumption or turn on the malfunction indicator light. These signs alone do not prove the sensor is the problem, because a damaged wiring harness or connector can produce some of them as well.

Fits

It fits the 1987-1989 Mazda B2200 4-cylinder 2.2L and the 1986-1987 Mazda B2000 4-cylinder 2.0L. This listing is one upstream sensor, and the fitment calls for a single sensor in that position.

Specifications