Replacing an oxygen sensor on a Chevy Equinox typically runs in the low hundreds of dollars, with single-sensor replacements commonly around $150 to $350 and two-sensor jobs approaching $300 to $700 depending on parts and labor. Actual prices vary by engine, sensor type (pre-cat versus post-cat), and local labor rates.
What affects the total price
The final bill depends on several factors, including which sensor(s) need replacement, the dealer versus independent shop you choose, the engine configuration, and regional labor costs. Some Equinox models use multiple O2 sensors, which can increase both parts and labor time.
Sensor types and parts costs
Here’s what you can expect to pay for the sensor itself, depending on position and brand.
- Upstream (pre-cat) oxygen sensor: typically $60–$250 for aftermarket; OEM can be $120–$250 or more.
- Downstream (post-cat) oxygen sensor: typically $70–$200 for aftermarket; OEM can be $150–$350.
In practice, you may replace only the faulty sensor, or both if diagnostics indicate multiple failures. Sensor price is a major driver of the total cost.
Labor costs and total installed price
Labor is the other big factor. Here’s what to expect in terms timing and cost.
- Labor time: about 0.5 to 1.5 hours per sensor, depending on accessibility and any corroded fasteners.
- Labor rate: commonly $75 to $150 per hour in the U.S.; rates can be higher in expensive markets.
- Estimated labor cost: roughly $40 to $225 per sensor.
- Two sensors: if both are replaced during the same service, expect roughly double the parts and labor.
Many shops provide diagnostic time within the service or offer a flat-rate replacement; request a written estimate that separates parts from labor to compare quotes.
DIY note: If you have the proper tools and comfort with car maintenance, replacing a sensor can save labor costs, but you’ll still pay for the sensor itself and may need extra tools or antiseize compounds.
Summary: The cost to replace an O2 sensor on a Chevy Equinox varies by engine and location. In general, plan about $150–$350 for a single sensor (parts plus labor) and about $300–$700 for two sensors. Always obtain a detailed estimate that breaks out parts and labor to avoid surprises.