---
product_id: 322669775
title: "LSU 4.9 Lambda WideBand O2 Oxygen Sensor | for AEM 30-4110 30-0300 30-0310 - X Series AFR Inline Controller - UEGO A/F Ratio Wideband 02 Gauge | Replace# 17025, 0258017025"
brand: "gledewen"
price: "€ 97.51"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.be/products/322669775-lsu-4-9-lambda-wideband-o2-oxygen-sensor-for-aem
store_origin: BE
region: Belgium
---

# High-temp resistant stainless steel Direct fit for AEM X-Series controllers Ultra-fast sensor response LSU 4.9 Lambda WideBand O2 Oxygen Sensor | for AEM 30-4110 30-0300 30-0310 - X Series AFR Inline Controller - UEGO A/F Ratio Wideband 02 Gauge | Replace# 17025, 0258017025

**Brand:** gledewen
**Price:** € 97.51
**Availability:** ✅ In Stock

## Summary

> 🚗 Tune like a pro, breathe easy with precision!

## Quick Answers

- **What is this?** LSU 4.9 Lambda WideBand O2 Oxygen Sensor | for AEM 30-4110 30-0300 30-0310 - X Series AFR Inline Controller - UEGO A/F Ratio Wideband 02 Gauge | Replace# 17025, 0258017025 by gledewen
- **How much does it cost?** € 97.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/322669775-lsu-4-9-lambda-wideband-o2-oxygen-sensor-for-aem)

## Best For

- gledewen enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Double laser-welded stainless steel body ensures submersible durability and long-lasting performance under extreme heat.
- • **Risk-Free Investment:** Backed by a 12-month warranty with hassle-free replacement or refund—drive with confidence.
- • **Avoid Costly Mistakes:** Includes exact OE replacement numbers and sensor length details to guarantee the right fit every time.
- • **Seamless Compatibility:** Perfectly engineered to fit AEM 30-4110, 30-0300, and 30-0310 X-Series wideband controllers—no guesswork needed.
- • **Precision Oxygen Monitoring:** Sophisticated sensing element delivers real-time, proportional oxygen data for peak engine tuning.

## Overview

The LSU 4.9 Lambda WideBand O2 Oxygen Sensor by Gledewen is a high-performance, durable sensor designed for precise air-fuel ratio monitoring. Crafted with a double laser-welded stainless steel body for heat resistance and quick response, it fits seamlessly with AEM X-Series wideband controllers. This sensor ensures optimal engine efficiency and performance, backed by a 12-month warranty for peace of mind.

## Description

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Review: excelente producto
Review: Good

## Features

- 【HIGH PERFORMANCE】Our wideband sensor use a more sophisticated sensing element that provides a signal that is proportional to the amount of oxygen in the exhaust, helps ensure your engine is constantly monitored and operating efficiently, while maximizing performance
- 【PREMIUM QUALITY】Durability matters, that is why our o2 sensor is crafted from high temperature resistant material for quicker response times. Double laser-welded stainless steel body is totally submersible to seal tight for long life
- 【FITS】AEM Wideband Controllers with part numbers 30-4110 Digital Wideband UEGO Gauge, 30-0300 X-Series Digital Wideband UEGO AFR Gauge, 30-0310 X-Series Inline Wideband UEGO AFR Controller | Most 4.9 LSU Wideband Controller Gauge
- 【REPLACE OE NUMBER】17025, 0258017025, 304110, 300300, 300310. A lot of buyers brought the wrong A/F gauge sensor because they don't pay attention to the plug and the length of the sensor. Please check these 2 features before purchase
- 【12-MONTH WARRANTY】If the AEM wide band lambda sensor fails, stops working or any other problems, you can contact us through desertcart message to apply the service of carefree REPLACEMENT or REFUND

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0863P6YLQ |
| Brand | Gledewen |
| Customer Reviews | 4.1 4.1 out of 5 stars (959) |
| Item Dimensions | 15.5 x 11.9 x 4.3 centimetres |
| Manufacturer | Gledewen |
| Material | Stainless Steel |
| Maximum Supply Voltage | 12 Volts (DC) |
| Model Number | LSU 4.9 |
| Mounting Type | Flange Mount |
| Output Type | analog |
| Specific Uses For Product | Oxygen Sensor |
| Style Name | Digital,Submersible |

## Product Details

- **Brand:** Gledewen
- **Item dimensions L x W x H:** 15.5 x 11.9 x 4.3 centimetres
- **Material:** Stainless Steel
- **Maximum supply voltage:** 12 Volts (DC)
- **Style:** Digital,Submersible

## Images

![LSU 4.9 Lambda WideBand O2 Oxygen Sensor | for AEM 30-4110 30-0300 30-0310 - X Series AFR Inline Controller - UEGO A/F Ratio Wideband 02 Gauge | Replace# 17025, 0258017025 - Image 1](https://m.media-amazon.com/images/I/61tZJtMbNTL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***O on 4 February 2025*

excelente producto

### ⭐⭐⭐⭐⭐ Review
*by A***R on 4 April 2025*

Good

### ⭐ Review
*by I***M on 14 December 2024*

The sensor malfunction

## Frequently Bought Together

- LSU 4.9 Lambda WideBand O2 Oxygen Sensor | for AEM 30-4110 30-0300 30-0310 - X Series AFR Inline Controller - UEGO A/F Ratio Wideband 02 Gauge | Replace# 17025, 0258017025
- AEM 30-4110NS Digital Wideband UEGO Gauge without Sensor , Black , 6.025 inches

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**Shop now:** [https://www.desertcart.be/products/322669775-lsu-4-9-lambda-wideband-o2-oxygen-sensor-for-aem](https://www.desertcart.be/products/322669775-lsu-4-9-lambda-wideband-o2-oxygen-sensor-for-aem)

---

*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-05-16*