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Overview

The AEM Electronics Bosch LSU 4.2 Replacement Wideband O2 Sensor is a direct factory replacement sensor for first-generation AEM wideband gauges and controllers. Individually factory tested, it ensures exact air/fuel ratio calibration and rapid closed-loop tuning accuracy.

Features

  • Direct replacement wideband oxygen sensor for older AEM wideband controllers (30-4100 series)
  • Pre-terminated with factory connector for quick, plug-and-play replacement
  • Features lab-calibrated internal reference resistor for precise AFR tracking
  • Compatible with gasoline, race fuels, and ethanol blends
  • High-temperature stainless steel body withstands harsh exhaust conditions

Vehicle Fitment

  • Universal fitment — compatible with custom and standalone engine management installations.

AEM Electronics Bosch LSU 4.2 Replacement Wideband O2 Sensor (30-2001)

AEM Electronics Bosch LSU 4.2 Replacement Wideband O2 Sensor (30-2001)

SKU:AEM 30-2001

Regular price $117.95
Regular price $132.95 Sale price $117.95
Sale Sold out
Quantity

In stock

Free shipping on orders $299+
Shipping & Returns

Shipping charges are non-refundable.

30-day return window from delivery. Items must be unused, uninstalled, and in original packaging with tags/seals intact. Installed, modified, or used parts (including wheels and tires) can't be returned. Open-box, clearance, and overstock items are final sale.

A restocking fee may apply.

Please contact us for return authorization before shipping anything back.

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$117.95