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⚙️ Tune smarter, race harder — see the difference that speed and precision make!
The AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge is a compact, race-use-only gauge featuring patent-pending X-Digital technology for the fastest air/fuel ratio readings. It boasts an 87% larger center display in a standard 52mm size, multiple output options (0-5V, RS232, CANbus), and customizable display settings. Designed for durability with locking connectors and a slim profile, it’s engineered to provide precise, real-time AFR data for safer, more powerful engine tuning.
| ASIN | B0184TSI84 |
| Best Sellers Rank | 166,005 in Automotive ( See Top 100 in Automotive ) 10 in Car Electrical Air & Fuel Ratio |
| Brand | AEM |
| Country Of Origin | USA |
| Customer Reviews | 4.6 out of 5 stars 2,037 Reviews |
| Global Trade Identification Number | 00840879024437 |
| Included Components | X-Series Wideband UEGO AFR Sensor Controller Gauge |
| Item Type Name | Gauges |
| Item Weight | 0.01 Ounces |
| Item weight | 0.01 Ounces |
| Manufacturer | Advanced Engine Management |
| Material | Plastic |
| UPC | 840879024437 |
| Unit Count | 1.0 Count |
R**U
Seller didn't advertise this item properly
Some of the digits were not working properly.
C**R
Beware - Fake item
The gauge came in a rather scruffy but genuine looking AEM box. However the gauge and sensor included were not genuine - The gauge was not even marked as AEM, and the sensor was not a Bosch unit. Have requested refund.
Trustpilot
3 weeks ago
1 month ago