Oxygen Sensors
21 products
21 products
Oxygen Sensors & O2 Sensors
Oxygen sensors measure the oxygen content in exhaust gases, providing critical feedback to the ECU for precise air-fuel ratio control. A failed or sluggish O2 sensor causes poor fuel economy, rough idle, increased emissions, and a check engine light. Replacing worn O2 sensors restores accurate fueling and optimal catalytic converter performance.
OneFastShop carries oxygen sensors including upstream and downstream O2 sensors, wideband and narrowband sensors, heated and unheated configurations, and direct-fit replacements for cars, trucks, SUVs, and performance vehicles from all major automakers.
Every oxygen sensor at OneFastShop ships brand-new with manufacturer warranty coverage. Whether you're replacing a failed sensor, clearing a P0420 code, or installing sensors after a header swap, OneFastShop has the O2 sensor. Shop the full oxygen sensors collection today.
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