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AEM Electronics

AEM Bosch LSU 4.2 Replacement O2 Sensor with Connector

AEM Bosch LSU 4.2 Replacement O2 Sensor with Connector

Regular price $164.70 USD
Regular price $183.00 USD Sale price $164.70 USD
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AEM's wideband UEGO air/fuel ratio sensor kit includes a Bosch 4.2 LSU Wideband UEGO sensor, connector plug, pins and plugs, and mild steel O2 bung. This kit is designed to be an installation kit for a sensor used with an AEM wideband air/fuel UEGO controller. 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. Features:

  • 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, weld-on bung, connector, wire seals and pins

Shipping & Returns

US Shipping to the 48 contiguous states only

We have a 30-day return policy on MOST items unless otherwise noted, which means you have 30 days after receiving your item to request a return.

(No Return on Tires or Customized Products)

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. A 30% restocking fee will be charged on returns due to customer order error. 

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