---
product_id: 305904037
title: "30-0333 X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge"
brand: "aem"
price: "2524.05 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Aem"
url: https://www.desertcart.tn/products/305904037-30-0333-x-series-obdii-wideband-uego-afr-sensor-controller
store_origin: TN
region: Tunisia
---

# Fastest wideband AFR response Compact 52mm slim gauge design Seamless OBDII CAN-bus integration 30-0333 X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge

**Brand:** aem
**Price:** 2524.05 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Tune like a pro, race like a legend.

## Quick Answers

- **What is this?** 30-0333 X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge by aem
- **How much does it cost?** 2524.05 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/305904037-30-0333-x-series-obdii-wideband-uego-afr-sensor-controller)

## Best For

- aem enthusiasts

## Why This Product

- Trusted aem brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Race-Ready Precision:** Experience lightning-fast AFR readings designed exclusively for high-performance tuning.
- • **Sleek & Slim Profile:** 52mm diameter with just 0.825" depth fits perfectly in any race cockpit without bulk.
- • **Plug & Play CAN-Bus Sync:** Effortlessly stream AFR data through your factory ECU’s CAN-bus for flawless piggyback or open-source tuning.
- • **Custom Calibration Options:** Choose factory O2 calibration or fine-tune with free-air calibration directly from the gauge faceplate.
- • **Bosch 4.9 LSU Sensor Included:** Industry-leading sensor technology ensures unmatched accuracy and reliability on every run.

## Overview

The AEM 30-0333 X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge delivers ultra-fast, precise air-fuel ratio monitoring via factory CAN-bus integration. Designed for race use only, it includes a Bosch 4.9 LSU sensor and a compact 52mm gauge, making it ideal for tuners using piggyback or open-source software like HP Tuners and DashDAQ. Its versatile calibration options and slim design empower professional millennial racers to optimize performance with confidence.

## Description

AEM x-series OBDII wideband uego afr sensor controller gauge (pn 30-0333) provides tuners who are using piggyback tuning modules or open source software with the ability to view afr through the factory can-bus stream that is output by the factory ecu, and deliver the most Accurate, safe and powerful tune. The 30-0333 x-series OBDII wideband gauge is verified to work with hptuners and dashdaq, with more applications being validated.

Review: Great quality - I have purchased multiple for turbo builds and they work great, will keep using them
Review: Works Good On Can Bus Vehicles - Works good to log my wideband on hptuners through obd port. Must have pro features enabled on hptuner device. Only works for can bus vehicles not serial data. Would Highly recommend. I use mine as a mobile unit

## Features

- This is a "race use only" product. No warranty for the Lambda Sensor. Return of the sensor is not accepted
- The fastest responding wideband afr controller
- Obdii pass through provides afr readings through the Factory ECU can-bus - ideal for users with piggyback programmers or open source tuning software!
- Includes Bosch 4.9Lsu wideband uego sensor . 52mm gauge diameter and slim 0.825" gauge depth
- Use the Factory 02 calibration or free-air calibrate using buttons on faceplate

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01G5Y9YEW |
| Best Sellers Rank | #157,754 in Automotive ( See Top 100 in Automotive ) #547 in Automotive OBD-II Engine System Diagnostic Tools |
| Brand | AEM |
| Brand Name | AEM |
| Customer Reviews | 4.6 out of 5 stars 149 Reviews |
| Global Trade Identification Number | 00672713960775 |
| Item Dimensions | 15.2 x 12.7 x 12.7 centimeters |
| Item Type Name | X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge |
| Item Weight | 0.5 Kilograms |
| Item dimensions L x W x H | 15.2 x 12.7 x 12.7 centimeters |
| Item weight | 0.5 Kilograms |
| Manufacturer | AEM |
| Material | Plastic Metal |
| Material Type | Plastic Metal |
| Model | 30-0333 |
| Number of Items | 1 |
| Part Number | 30-0333 |
| Set Name | OBD-II |
| UPC | 840879025199 608067031410 672713960775 |
| Unit Count | 1 Count |
| Unit count | 1 Count |

## Product Details

- **Brand:** AEM
- **Item dimensions L x W x H:** 15.2 x 12.7 x 12.7 centimeters
- **Item weight:** 0.5 Kilograms
- **Material:** Plastic Metal
- **Number of Items:** 1

## Images

![30-0333 X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge - Image 1](https://m.media-amazon.com/images/I/51UYkOXZLIL.jpg)

## Questions & Answers

**Q: How would this interface with a microsquirt stand alone ecu and on a car pre-obd ii?**
A: Don't get this one.  Get the 30-0300, it comes with the complete harness.  The 30-0333 is for new cars that can read the sensor off the canbus.  Get the 30-0300.

**Q: Why does it show pictures of the 30-0311 but states this product is the 30-0344 for “piggy back” capabilities with hp tuners?**
A: Not entirely sure what you mean. My kit came as pictured and works as advertised.

**Q: Will this wideband gauge work in “standalone mode”? i have a carbureted vehicle i need to tune and have no use for the obdii connectivity.**
A: Yes. The gauge will display AFR on its own without connecting any of the obdii wiring

**Q: Does the digital gauge still work if the obd port is not connected? I would use this wideband for multiple car use not a single install.**
A: Yes.  The OBD pass through connector is just to get the information into your data logging software.  The sensor reads into the gauge and then sends signal through a separate plug to the OBD port.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great quality
*by S***Y on 2 May 2026*

I have purchased multiple for turbo builds and they work great, will keep using them

### ⭐⭐⭐⭐⭐ Works Good On Can Bus Vehicles
*by J***Y on 15 February 2026*

Works good to log my wideband on hptuners through obd port. Must have pro features enabled on hptuner device. Only works for can bus vehicles not serial data. Would Highly recommend. I use mine as a mobile unit

### ⭐⭐⭐⭐⭐ Very fast CAN based wideband
*by B***S on 25 July 2016*

Awesome device. This model is designed to provide a CAN based output that can be then logged in HPTuners. It is extremely fast and when connected via the CAN bus (OBD port) ground offsets are a thing of the past. Install could not be easier. Install sensor, connect unit to a switched power source and then plug in the provided OBD "splice" to an OBD port. Connect HPTuners to the other side of the OBD "splice". The analog 0-5V output is also extremely fast and accurate on this model. The 0-5V output connectors are NOT pinned in this setup, though the pins can be purchased for a few pennies, so they are simple enough to add if need be. I can't think of any reason not to buy this wideband if you are in the market for one.

## Frequently Bought Together

- AEM X-Series Wideband UEGO AFR Sensor Controller Gauge with OBDII Connectivity
- HP Tuners PROLINK+ Cable with Analog and CAN Bus inputs for External Sensors Using MPVI2+ and MPVI3 OBD2 Scan Tools, Cable Only
- GlowShift Universal Black Single Gauge Swivel Dashboard Pod - Fits Any Make/Model - Swivels 360 Degrees - ABS Plastic - Mounts (1) 2-1/16" (52mm) Gauge to Vehicle's Dash

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**Shop now:** [https://www.desertcart.tn/products/305904037-30-0333-x-series-obdii-wideband-uego-afr-sensor-controller](https://www.desertcart.tn/products/305904037-30-0333-x-series-obdii-wideband-uego-afr-sensor-controller)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-08*