Generic LSU 4.9 wideband sensor front view with precision connector for tuning.
Generic LSU 4.9 wideband sensor side view showing mounting clip for fitment.
Generic LSU 4.9 sensor connector close-up highlighting 5-wire design.
Generic LSU 4.9 sensor installed in exhaust illustration for real-world use.
Generic LSU 4.9 sensor beside AEM controller demonstrates compatibility in install.
Generic LSU 4.9 sensor with X Series AFR inline controller emphasizes tuning flexibility.
Generic LSU 4.9 wideband sensor front view with precision connector for tuning.
Generic LSU 4.9 wideband sensor side view showing mounting clip for fitment.
Generic LSU 4.9 sensor connector close-up highlighting 5-wire design.
Generic LSU 4.9 sensor installed in exhaust illustration for real-world use.
Generic LSU 4.9 sensor beside AEM controller demonstrates compatibility in install.
Generic LSU 4.9 sensor with X Series AFR inline controller emphasizes tuning flexibility.

Generic LSU 4.9 WideBand O2 Sensor for AEM Controllers & X Series Inline Controller

The Generic LSU 4.9 WideBand O2 Sensor is designed to deliver precise lambda readings when paired with...
Vendor: Generic
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£44.32
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Generic LSU 4.9 wideband sensor front view with precision connector for tuning.

Generic LSU 4.9 WideBand O2 Sensor for AEM Controllers & X Series Inline Controller

£44.32
Generic LSU 4.9 wideband sensor front view with precision connector for tuning.
Generic LSU 4.9 wideband sensor side view showing mounting clip for fitment.
Generic LSU 4.9 sensor connector close-up highlighting 5-wire design.
Generic LSU 4.9 sensor installed in exhaust illustration for real-world use.
Generic LSU 4.9 sensor beside AEM controller demonstrates compatibility in install.
Generic LSU 4.9 sensor with X Series AFR inline controller emphasizes tuning flexibility.

Generic LSU 4.9 WideBand O2 Sensor for AEM Controllers & X Series Inline Controller

£44.32
Description
Description
x

The Generic LSU 4.9 WideBand O2 Sensor is designed to deliver precise lambda readings when paired with popular AEM controllers and the X Series UEGO inline controller. Built around a robust LSU 4.9-style sensing element, this 5-wire sensor is crafted for reliable signal integrity and steady performance across a range of tuning scenarios.

Overview

Engineered to integrate smoothly with AEM controllers such as the 30-4110, 30-0300, and 30-0310, this sensor also complements the X Series AFR Inline Controller. The 5-wire configuration supports dedicated power, ground, signal, and heater connections, helping to maintain a stable response under varying temperatures and exhaust conditions. Its design focuses on delivering a consistent air-fuel signal that a tuner can read confidently during bench setup, road testing, or track sessions.

Key benefits

  • LSU 4.9 sensing element for high-resolution lambda data
  • 5-wire design for reliable heater and signal integrity
  • Direct compatibility with AEM 30-4110, 30-0300, and 30-0310 controllers
  • Seamless pairing with the X Series UEGO Inline Controller for streamlined tuning
  • Rugged construction intended for repeated use in street and track environments

Real-world use cases

  • Data-driven fueling adjustments during street tuning or on-track testing
  • Monitoring AFR to understand how each change affects exhaust flow and combustion stability
  • Quick reference readings during installation or rerouting experiments, with a clear signal path to the ECU

Installation and compatibility notes

The sensor is designed to work alongside popular AEM controllers and the X Series inline device. For best results, ensure correct wiring and placement in the exhaust stream, away from heat sources that could affect response time. This sensor supports typical in-vehicle setups where precise AFR monitoring is valuable for tuning decisions, emissions testing, and performance validation.

Important: Refer to your controller’s documentation for exact wiring and calibration steps. This description emphasizes potential use cases and compatibility pathways, not guaranteed results in every application.

What this enables

  • Sharp, interpretable lambda signals to guide fuel adjustments
  • Flexibility to pair with AEM and X Series hardware for a cohesive tuning workflow

FAQ

Q: What controllers is this sensor compatible with?

A: Compatible with AEM 30-4110, 30-0300, 30-0310, and suitable for use with the X Series UEGO inline controller.

Q: What tuning benefits does it offer?

A: Provides high-resolution lambda readings to help data-driven fuel adjustments; suitable for street and track tuning workflows.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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