Collection: Auto - Oxygen Sensor

Optimize your fuel economy and ensure clean emissions with our selection of Auto Oxygen Sensor components. At DIY Customs, we provide high-precision replacement O2 sensors, specialized weld-on exhaust bungs, durable extension harnesses, and heavy-duty sensor modules designed for a perfect fit. Whether you are replacing a fouled sensor to clear a "check engine" light, outfitting a custom exhaust with new bungs for a wideband tuner, or installing sensor extensions for high-clearance off-road headers, our professional-grade hardware offers the thermal resistance and signal accuracy you need at unbeatable prices. From specialized bung plugs to direct-fit O2 sensor sockets and heat shields, we carry the essential gear for every exhaust and tuning project. Don't see the specific connector style, wire count (1, 2, 3, or 4-wire), or specialized wideband sensor for your build? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!