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: 23493080

Details

Brand
AEM
Item Weight
0.27 g
Material
Plastic
Number of Items
1
Unit Count
1 Count

⚡fastest response time

📊87% larger display

🔗multi-output data logging

₨6689

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Description

⚙️ Tune smarter, not harder — dominate your engine’s air/fuel ratio game!

INERTIA DYNO READY - Minimize dead time errors for the most accurate tuning sessions.
VERSATILE DATA OUTPUTS - 0-5V, RS232, and CANbus outputs for seamless integration and logging.
LIGHTNING FAST RESPONSE - Experience the quickest wideband feedback for safer, optimized tuning.
X DIGITAL TECH ADVANTAGE - Patent-pending tech delivers readings others can’t, unlocking peak engine performance.
MASSIVE 87 LARGER DISPLAY - See your AFR data with unmatched clarity and precision.

The AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge features an 87% larger seven-segment display, ultra-fast response times powered by patent-pending X-Digital technology, and multiple output options including 0-5V, RS232, and CANbus for advanced data logging and feedback control. Designed for precision engine tuning, it reduces dead time errors on inertia dynos, making it the top choice for professionals seeking safer, more powerful, and accurate air/fuel ratio monitoring.

Specifications

ASIN	B0184TSI84
Best Sellers Rank	#11,415 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Air & Fuel Ratio Gauges
Brand Name	AEM
Customer Reviews	4.6 4.6 out of 5 stars (2,184)
Global Trade Identification Number	00840879024437
Included Components	X-Series Wideband UEGO AFR Sensor Controller Gauge
Item Type Name	AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge
Item Weight	0.27 g
Manufacturer	AEM
Material Type	Plastic
Model	30-0300
Number of Items	1
Number of Packs	1
Part Interchange Info	30-0300
Part Number	30-0300
UPC	840879024437
Unit Count	1 Count
Warranty Description	Warranty

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₨6689

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Excellent communication throughout the order process. Product is perfect.

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