AEM Bosch LSU 4.9 UEGO Replacement Sensor

Product Overview

AEM Bosch LSU 4.9 UEGO Replacement Sensor from AEM is identified by manufacturer part number 30-2004. Bosch LSU 4.9 Wideband UEGO Replacement Sensor for Part Numbers 30-4110, 30-0300, 30-0334, 30-0310 and 30-0310N.

Key Features

• Intended for compatible monitoring or control systems; confirm connector, controller compatibility, sensor type, and installation location.
• New AEM component supplied in the configuration shown and described on this page.
• Exact application and included components should be verified before installation.

Fitment

AEM 30-2004 is a universal or specification-matched component. Confirm dimensions, connectors, ranges, ports, fittings, electrical requirements, and system compatibility before ordering.

Specifications

What’s Included

The exact oxygen sensors product identified by AEM 30-2004. Sensors, wiring, fittings, hardware, tuning, or accessories are included only when specifically shown or stated.

About AEM

AEM develops performance electronics, monitoring, fueling, ignition, and water-methanol products for enthusiast and motorsport applications. Black Ops Auto Works organizes AEM listings by exact part number and available application data to support accurate product selection.

Related Parts

• AEM Bosch UEGO Replacement Sensor
• AEM Universal Wideband UEGO Sensor with Stainless Manifold Bung Install Kit
• Shop the complete AEM collection

Frequently Asked Questions

What is the 30-2004?

It is the AEM oxygen sensors product described on this page in the listed configuration.

How do I confirm fitment?

Match the complete vehicle, engine, trim, system, connector, dimensions, and every application note before ordering.

Can I select this product by appearance alone?

No. Similar-looking components can use different connectors, dimensions, ranges, ports, calibrations, or mounting points.

What is included?

Only the components specifically identified on this product page are included; related sensors, wiring, fittings, hardware, or accessories may be separate.

Does this product require tuning?

Tuning depends on the product and vehicle. Changes involving airflow, fueling, ignition, boost, or water-methanol delivery may require calibration.

Is professional installation recommended?

Yes when installation involves fuel, wiring, pressurized systems, sensor scaling, engine timing, or calibration.

Is this product new?

Yes. The item condition is new unless this page explicitly states otherwise.

What should I verify before checkout?

Confirm the application, specifications, included items, connector or plumbing requirements, and installation notes.

Installation Instructions

1. Confirm AEM 30-2004 and the complete application before disassembly.
2. Inspect the component and compare every connector, port, mounting point, dimension, and included item before modifying the vehicle.
3. Follow current AEM instructions and the vehicle service procedure for wiring, plumbing, fasteners, sensor placement, and calibration.
4. Route wiring, hoses, and components away from heat, sharp edges, moving parts, and electrical noise sources.
5. Test the complete system, check for leaks or faults, and verify safe operation before driving.

California Proposition 65 Warning

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.