do I need 30-0310 also or is this complete?

No need, the aem 30-0300 is a complete kit. The controller is in the gauge itself.

How do you mount this? Do i have to buy a seperate mounting device?

HelloWe usually mount it with this gauge pod Autometer 2204 or same oneIt sells separate https://www.amazon.com/Auto-Meter-2204-Mounting-Cup/dp/B0009RUXPG/ref=sr_1_2?ie=UTF8&qid=1491381219&sr=8-2&keywords=2204

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AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge

AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge

Product ID: 545054883

Details

Brand
AEM
Material
Plastic
Item Weight
0.01 Ounces
Style
Modern
Measuring Range
8.0:1 bis AFR

⚡ultra-fast response time

📊87% larger center display

📏52mm compact size

€ 734.27

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Description

🏁 Race-Ready Precision in a Sleek, Space-Smart Package

INSTANT READINESS - Factory-calibrated for rapid startup—get race-ready in seconds
DATA DRIVEN CONTROL - 0-5V, RS232, and CANbus outputs enable seamless integration and real-time logging
SLEEK VISUAL IMPACT - 87% larger seven-segment display ensures critical data is impossible to miss
COMPACT YET COMMANDING - 52mm diameter with an ultra-slim profile fits tight spaces without compromise
PRECISION MEETS PERFORMANCE - X-Digital broadband tech delivers unmatched AFR accuracy from 8.0:1 to 20.0:1

The AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge is a race-use-only, 52mm diameter gauge featuring an 87% larger seven-segment center display for enhanced readability. It utilizes advanced X-Digital broadband technology to accurately measure air-fuel ratios from 8.0:1 to 20.0:1 with ultra-fast response times. Designed for easy integration, it offers 0-5V, RS232, and CANbus outputs for data logging and feedback control. Its slim profile allows installation in tight spaces, making it a top choice for professional racers seeking precision and reliability.

Specifications

ASIN	B0184TSI84
Brand	AEM
Brand Name	AEM
Country of Origin	USA
Customer Reviews	4.6 out of 5 stars 2,117 Reviews
Global Trade Identification Number	00840879024437
Included Components	Product
Item Type Name	Indicator
Item Weight	0.01 Ounces
Manufacturer	AEM
Material	Plastic
Material Type	Plastic
Model Number	30-0300
Number of Items	1
Part Number	30-0300
UPC	840879024437

Reviews

S**A

Excelente

Tengo 2 meses de uso y está funcionando perfectamente

22.08.2024

F**C

Très bon produit : précis et simple d'installation

J'ai acheté cette sonde Lambda pour remplacer mon ancienne INNOVATE qui ne fonctionnait plus convenablement. Le fait que ce soit le manomètre qui centralise le faisceau d'alimentation et celui de la sonde lambda rend l'installation simple. L'appareil gère tout seul son rétroéclairage donc deux connexions en moins. Le manomètre étant peu profond il peut s'installer même là où il n'y a pas beaucoup d'espace. Mais surtout ce que j'ai apprécié c'est la rapidité de mise en service à démarrage, le calibrage déjà réalisé en usine, la précision de lecture et la fiabilité du produit.

29.06.2021

K**Y

Aem for the win

No issues, straight forward install. 17 sierra

20.05.2026

R**O

Ottimo

Spedizione molto veloce, arriva tutto come si presenta in foto

9.03.2022

M**N

Todo correcto

Entrega súper rápida. Probada y es súper sensible, descubrí las fugas en el escape gracias a ella. A ver cuánto dura funcionando...

1.08.2026

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€ 734.27

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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