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

30 0300 X Series Wideband Uego Afr Sensor Controller Gauge

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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B/.1369

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🏁 Race-Ready Precision in a Sleek, Compact Package

TRUSTED BY PROS - 4.6-star rating from 2,100+ users who demand precision and reliability on the track
RACE READY SLIM DESIGN - Less than 1-inch depth with ultra-slim cup depth for versatile installation anywhere
PLUG PLAY DATA LOGGING - 0-5V, RS232, and CANbus outputs for seamless integration with your race data systems
BIG DISPLAY SMALL PACKAGE - 87% larger seven-segment center display in a sleek 52mm gauge for easy, stylish mounting
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 offers ultra-fast response times and advanced X-Digital broadband technology to accurately measure air-fuel ratios from 8.0:1 to 20.0:1. With multiple output options including 0-5V, RS232, and CANbus, it integrates effortlessly into data logging systems. Its slim design allows flexible mounting, 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 2,101 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

G**A

Rapido y original

Perfexto funcionamiento, calidad superior

17.01.2025

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

R**U

Seller didn't advertise this item properly

Some of the digits were not working properly.

9.10.2025

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B/.1369

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered 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 Panama.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago