ACDelco GM Genuine Parts AFS138 Heated Oxygen Sensor

Description

🔥 Upgrade your ride with GM’s precision oxygen sensor — because every drop of fuel counts!

The ACDelco GM Genuine Parts AFS138 Heated Oxygen Sensor is a GM-recommended, factory-spec replacement sensor designed to measure oxygen levels in exhaust gases. It enables your vehicle’s engine management system to maintain the ideal air/fuel ratio, optimizing engine performance, reducing emissions, and improving fuel economy. Engineered for select Chevrolet, Cadillac, and GMC models, this durable sensor guarantees a perfect fit and reliable operation consistent with GM’s original equipment standards.