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  1. Oxygen Sensor Spacer for Auto & Tires - Walmart.com

    An oxygen sensor spacer is a small threaded adapter that installs between the exhaust bung and an O2 sensor. It slightly relocates …

  2. Amazon.com: Oxygen Sensor Spacers

    Explore comprehensive O2 sensor bung and plug kits. Includes spacers and all components needed for complete sensor installation …

  3. Mini Catalytic Converter Official | Mini Catalizador, O2 sensor spacer

    Compatible with most vehicles that feature M18X1.5 threads, this O2 sensor spacer is versatile and easy to install. It fits seamlessly …

  4. 2Pcs Universal O2 Oxygen Sensor Spacer Adapater Extender

    Oxygen sensor spacer , universal fitment for most vehicles with the M18*1.5 O2 sensor hole. It spaces the oxygen sensor located …

  5. O2 Sensor Spacers for Auto & Tires - Walmart.com

    An O2 sensor spacer is a small adapter that fits between your vehicle's oxygen sensor and the exhaust system. Its main purpose is …

  6. Amazon.com: O2 Sensor Spacer Adapter

    2 Pcs O2 Sensor Bung, M18x1.5 Weld Oxygen Spacer | Stainless Steel Sensor Adapter, Silver, 0.98x0.51x0.86 in, compatible with …

  7. O2 Sensor Spacers: The Ultimate Guide to Fixing Check Engine Lights ...

    Dec 28, 2025 · What is an O2 sensor spacer? How does it work? An O2 sensor spacer is a threaded cylindrical fitting designed to be …

  8. I Tested the O2 Sensor Extender Spacer and Here’s Why You Need It …

    An O2 sensor extender spacer is a small device that extends the distance between the O2 sensor and the exhaust pipe. It helps to …

  9. Do O2 Sensor Spacers Really Work for the CEL? - Engineer Fix

    Dec 25, 2025 · An oxygen sensor spacer, sometimes called an anti-fouler or extender, is a small, mechanical adapter that threads …

  10. Oxygen Sensor O2 Spacer With Adjustable Inserts - EMD Auto

    Oxygen Sensor O2 Spacer With Adjustable Inserts EMD Auto Specifics and Features: T-304 Stainless Steel Construction Fits Most …