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Stainless steel O2 Sensor bung

Dynomotive has three different types of stainless steel exhaust O2 sensors bung in stock.


SKU: O2 sensor bung Category: Tags: , , ,

Dynomotive has three different types of stainless steel exhaust O2 sensors bung in stock.

These will replace or add oxygen sensor ports to any OEM or aftermarket exhaust or downpipe.

  • Simplify the welding process by having the curve of the notched bungs sit against the rounded surface of the exhaust or downpipe.
  • Standard size fitment
  • Easy to install with standard M18 x 1.5mm threads.
    • they are rust-resistant 304 stainless steel.
    • can withstand high-temperature environments.

Positioning of the bung

  • stainless steel exhaust O2 sensor bung should be placed 50cm downstream from the cylinder head exhaust ports.
  • positioning the sensor too close to the exhaust ports can expose it to high exhaust gas temperature.
  • the bung needs to be welded in place at a 10° towards horizontal incline.
  • ensure the drill hole in the exhaust fits the sensor with ease.
  • Tig weld the bung into position.

These stainless steel exhaust O2 sensor bung are a must-have accessory for installing your wide-band O2 sensor to your exhaust pipe.

Click here to check out our other stainless steel exhaust O2 Sensor bungs and plugs.

In the event you want to remove the catalytic converter, it will result in damage to the O2 sensor and other components in the car.
  • You may fail the EPA emission test
  • Your engine light may come on indicating a problem

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Let the Dynomotive Team make your dream part come true

  • Have something special in mind for your car, whether it’s an exhaust, engine, sensors, etc – talk to one of the boys at Dynomotive we will work with you to develop the part you need to make your car purr.




Weight.25 kg
Dimensions3.5 × 2.5 × 2.5 cm

45o pre-notched, Curved Notched, Straight edge


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