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Barra Enthusiasts | OS Auto | Performance Block


  • Never requires free-air calibration when used with an AEM Controller and connector plug.

  • Specifically designed for use with AEM Wideband UEGO controllers

  • Includes sensor and weld-on stainless-steel tall manifold bung


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AEM's wideband O2 UEGO AFR replacement sensor and stainless-steel, finned, stand-off bung kit includes only a replacement Bosch 4.2 LSU Wideband UEGO sensor and stainless steel tall manifold bung. It is designed for installation and use with the AEM 4-Channel Wideband UEGO Controller, and forced induction (turbo and supercharged) applications.
These sensors have a laser-etched, calibrated resistor in the sensor's connector body. This resistor is specifically created for the exact sensor that it is attached to. Modifying this will invalidate the sensor's output. The wideband sensor is laboratory-calibrated at the Bosch factory, accurate to 0.1 AFR and never requires free-air calibration when used with an AEM wideband AFR controller.

Accurate to 0.1 AFR


  • Never requires free-air calibration when used with an AEM Controller and connector plug.

  • Specifically designed for use with AEM Wideband UEGO controllers

  • Includes sensor and weld-on stainless-steel tall manifold bung

See the vehicle fitment details below:

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Most orders are dispatched before their estimated dispatch date displayed above. However on some occasions, delays may happen. If this happens, we will notify you straight away.

Some products may be shipped via our distributors within Australia, meaning that once the order is placed we forward the order directly to our distributor. Our distributor then ships the part directly to you.

We can not guarantee the stock count from initial order placed, however can provide a stock amount prior to an order placed. Please note, stock availability is subject to change.

Orders may be dispatched in Partial Shipments. Multiple parts in one order may be shipped from different suppliers within Australia.
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