Oxygen Sensor for 2018-2021 Honda Accord - Walker 250-241259

Walker Products 250-241259 oxygen sensor for the 2018-2021 Honda Accord 4-cylinder 1.5L reports exhaust oxygen levels to the engine computer. This is a downstream, narrow-band, 4-wire direct-fit sensor.

• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases
• Monitors exhaust gases to help reduce pollutants
• Electrodes carry a gas-permeable platinum layer
• Determines the oxygen content of the exhaust gas to monitor the air-fuel ratio for combustion efficiency
• Oxygen readings help fine-tune the air-fuel mixture for fuel economy

Quick facts

• Part: Walker Products 250-241259 oxygen sensor
• Fits: 2018-2021 Honda Accord 4-cylinder 1.5L
• Position: Downstream
• Condition: New

A failing sensor can show up as rough running, higher fuel consumption or a lit malfunction indicator light. Before you replace the sensor, look over its wiring harness and connector for physical damage, because a fault there can look like a bad sensor.

Fits

This sensor fits the 2018-2021 Honda Accord 4-cylinder 1.5L and the 2023-2025 Accord 4-cylinder 1.5L. This listing is one sensor, and the downstream position on these Accords takes one.

Specifications