← Search Parts

Oxygen Sensor Connector

Critical For Operation

Exhaust System

Connects the oxygen sensor to the vehicle’s wiring harness.

The oxygen sensor connector links the oxygen sensor to the vehicle’s wiring system, ensuring accurate transmission of oxygen level data to the ECU for emissions and air-fuel ratio management.

💵
Typical part cost
$10–$40🔒
🔧
Typical labor cost
$50–$100🔒
🛣️
Typically lasts
80,000–150,000 mi
📅
Or about
5.0–10.0 years
🛠️
DIY difficulty
2/10

⚠️ Owners Often Notice

If the Oxygen Sensor Connector is starting to fail, these are the signs owners most commonly report before it gets worse:

Check engine light
Oxygen sensor not working
Poor fuel economy
Emissions failure

Related Services

Services commonly performed on or around this part.

Replace Oxygen Sensor Connector(s)

No standard interval on file

Inspect Oxygen Sensor Connector(s)

No standard interval on file

Test Oxygen Sensor Connector(s)

No standard interval on file