Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
X-SERIES WIDEBAND UEGO CONTROLLER FEATURES: The Fastest Responding Wideband AFR Controller OBDII pass through provides AFR readings through the factory ECU CAN-bus – Ideal for users with piggyback programmers or open source tuning software! Includes Bosch 4.9LSU wideband UEGO sensor Use the factory 02 calibration or free-air calibrate using buttons on faceplate Compatible with vehicle/system voltages up to 16V Optional outputs for 0-5V & RS232 for data logging and feedback control (requires wiring) Can display AFR values in hundredths of % 52mm gauge diameter and slim 0.825” gauge depth Gauge cup depth only .200” deep! Auto dimming feature User configurable display via buttons on the gauge face for changing AFR values, Lambda and O2%, 3- or 4-digit display and OBDII output settings (if necessary) Black bezel and black dual faced faceplate included (silver bezel/white gauge option sold separately, PN 30-0300-ACC) Locking connectors
I installed the AEM X-Series Wideband AFR Sensor Controller in my car a few weeks ago, and it’s been fantastic. The OBDII connectivity makes tuning so much easier, and the gauge is super clear and easy to read. I love the accuracy it provides. Definitely helps in optimizing my vehicle's performance!
J
Jin Park
Stopped working after a month
I really wanted to like this AFR sensor gauge, but it just stopped working after a month. I checked all the connections, and everything seemed fine. Very disappointing, especially for the price. I’m not sure if I just got a defective one, but I expected better quality from AEM.
L
Lena Rodriguez
Decent gauge but installation was tricky
The AEM X-Series gauge works well for monitoring air-fuel ratios, but the installation instructions left a bit to be desired. I figured it out eventually, but it took more time than I anticipated. The gauge itself is sleek and responsive, so it’s doing its job! Just be prepared for some head-scratching during setup.
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Is the shipping free?
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.