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AEM 30-0311 X-Series OBDII Gauge

4.4 4.4 out of 5 stars 139 ratings
$155.99
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Purchase options and add-ons

Brand AEM
Material Plastic
Item dimensions L x W x H 5.91 x 5.91 x 5.91 inches
Item Weight 0.22 Kilograms

About this item

  • Reads data channels from 2008+ MY vehicles through the OBDII port!
  • Country of Origin : United States Reads and clears Diagnostic Trouble Codes (DTCs)!
  • Package Weight: 0.272 kilograms. Easy to install and wire –power and data come from OBDII port using supplied connector
  • Model Number: 30-0311 2-1/16th (52mm) gauge diameter for easy mounting in gauge pods
  • Reads data channels from 2008+ MY vehicles through the OBDII port! Positive locking connector provides secure connection
  • Auto dimming sensor delivers ideal display brightness 24 green outer LEDs for quick reference to engine parameter
  • Compatible with vehicle/system voltages up to 16V
  • Slim 0.825” overall gauge depth and 0.200” cup depth – mount them virtually anywhere
› See more product details

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Product Description

AEM 30-0311 X-Series OBDII Gauge

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Technical Details

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Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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AEM 30-0311 X-Series OBDII Gauge

AEM 30-0311 X-Series OBDII Gauge

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What's in the box

  • AEM (30-0311) X-Series OBDII Gauge, Black Bezel & Black Faceplate

    • Product guides and documents

    User Guide (PDF)

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    Price$163.95$34.99$37.98$45.98$155.09-14% $59.99
    List: $69.99
    Delivery
    Get it as soon as Saturday, May 18
    Get it May 22 - Jun 4
    Get it as soon as Saturday, May 18
    Get it as soon as Saturday, May 18
    Get it as soon as Saturday, May 18
    Get it as soon as Saturday, May 18
    Customer Ratings
    4.44.4 out of 5 stars139
    4.14.1 out of 5 stars44
    4.14.1 out of 5 stars47
    4.04.0 out of 5 stars87
    4.14.1 out of 5 stars20
    4.04.0 out of 5 stars866
    Accuracy
    4.8
    3.5
    3.8
    3.5
    3.1
    3.9
    Mileage
    —
    3.2
    3.4
    3.8
    3.7
    3.9
    Value for money
    4.8
    —
    —
    4.6
    —
    3.8
    Brightness
    —
    4.4
    4.0
    4.8
    —
    —
    Sold By
    Amazon.com
    uxcell
    Geyiren
    Geyiren
    Auto Jaw Co., Ltd
    KONNWEI Official
    material
    Plastic
    Plastic, Metal
    Plastic
    Plastic
    Aluminum
    Metal
    weight
    0.22 kilograms
    6.4 ounces
    185 grams
    0.2 kilograms
    167 grams
    275 grams

    Looking for specific info?

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    139 global ratings

    Customers say

    Customers like the quality of the electromechanical gauge, mentioning it's accurate and worth the price. Opinions are mixed on performance.

    AI-generated from the text of customer reviews

    11 customers mention11 positive0 negative

    Customers are satisfied with the quality of the electromechanical gauge. They mention that it is a great and accurate gauge that provides extremely precise readings of the car's engine coolant temperature. They also say that it's good value for the price.

    "...Absolutely worth the money and i will be getting a couple more before to long!" Read more

    "...It also gives information on lots of other elements of the engine, but I only use it for the engine coolant temperature...." Read more

    "...More accurate reading than a temp guage in the radiator hose because the cars temp sensor is in the engine block. Worth every penny!!" Read more

    "...in all when it is turned on and reading data its fairly accurate and helpful...." Read more

    22 customers mention15 positive7 negative

    Customers are mixed about the performance of the gauge. Some mention that it works well on everything else, is easy to use, and simple for 2012+ cars, while others say that it does not work on a 2013 Fiat 500 Abarth, does not support the function they wanted, and does not works on cars with out obd2 CAN.

    "...and battery voltage but it does way more than just that and looks great in my car has made a difference for the way i drive... but anyway haha if..." Read more

    "...the OBD app on my phone, linked to a good Bluetooth OBD device, shows it very nicely, and with very little delay...." Read more

    "...I would try it out, rand everything and to my disappointment the gauge didn’t work. It just says obd 2 then flashes obd 2 again and goes black...." Read more

    "Easy to use. Best for 2014+ cars due to more data avaliable. Instructions not included. Cord isn't very long but can be extended...." Read more

    Love this gage!!!
    5 Stars
    Love this gage!!!
    Installed in my 2013 ford fiesta mainly for coolant temp, fuel trims, and battery voltage but it does way more than just that and looks great in my car has made a difference for the way i drive... but anyway haha if you race or even just wanna know what's going on with extra things on your vehicle i highly recommend getting the AEM Gage!!!Absolutely worth the money and i will be getting a couple more before to long!
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    Top reviews from the United States

    austin smith
    5.0 out of 5 stars Love this gage!!!
    Reviewed in the United States on May 17, 2023
    Verified Purchase
    Installed in my 2013 ford fiesta mainly for coolant temp, fuel trims, and battery voltage but it does way more than just that and looks great in my car has made a difference for the way i drive... but anyway haha if you race or even just wanna know what's going on with extra things on your vehicle i highly recommend getting the AEM Gage!!!
    Absolutely worth the money and i will be getting a couple more before to long!
    Customer image
    austin smith
    5.0 out of 5 stars Love this gage!!!
    Reviewed in the United States on May 17, 2023
    Installed in my 2013 ford fiesta mainly for coolant temp, fuel trims, and battery voltage but it does way more than just that and looks great in my car has made a difference for the way i drive... but anyway haha if you race or even just wanna know what's going on with extra things on your vehicle i highly recommend getting the AEM Gage!!!
    Absolutely worth the money and i will be getting a couple more before to long!
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    3 people found this helpful
    Helpful
     Report
    Robert Bruce
    5.0 out of 5 stars Works Well
    Reviewed in the United States on July 28, 2022
    Verified Purchase
    I was able to plug it into the OBD II port, just like the product said. I got it because my 2022 Volvo has no temperature gauge, which drives me nuts. This unit gives me extremely precise readings of the car's engine coolant temperature. It also gives information on lots of other elements of the engine, but I only use it for the engine coolant temperature. I bought it with the GlowShift Universal Black Single Gauge Swivel Dashboard Pod and it all works well together (although I had to widen the hole in the pod for the very thick rubberized cord that runs from the gauge to the OBD II port).
    6 people found this helpful
    Helpful
     Report
    W. Phelps
    4.0 out of 5 stars Nice but does not support Turbo Boost Pressure
    Reviewed in the United States on April 16, 2021
    Verified Purchase
    When I first read the description for this, and also some of the questions, it looked like it would be a great gauge to add to my Outback Onyx XT, which has a turbo charger. I already knew the Subie OBD2 had data for the Turbo Boost Pressure because the OBD app on my phone, linked to a good Bluetooth OBD device, shows it very nicely, and with very little delay. I wanted a dedicated Boost gauge, so I thought I would try this. As soon as it arrived and I read the instruction sheet that comes with it, it was clear that it does not support the function I wanted. There is a "Boost" item in the table, but it is "Boost Control", not pressure. I spoke to AEM support (very nice folks) and they confirmed what I pretty much already knew. Guess I will have to keep searching...
    21 people found this helpful
    Helpful
     Report
    JOutterbridge
    5.0 out of 5 stars Simple and easy to use for 2012+cars
    Reviewed in the United States on March 26, 2023
    Verified Purchase
    Easy to use. Best for 2014+ cars due to more data avaliable. Instructions not included. Cord isn't very long but can be extended. Only reads OEM PID's which means its limited by your car manufacturer. Most cars it will read coolant temps, intake, battery volts, codes, RPM etc. Also wideband AFR, oil pressure, fuel pressure if your car stores that info. Only reads 1 thing at a time so its not a multi display. Gotta go to the vendor website for the instructions and code meanings...
    3 people found this helpful
    Helpful
     Report
    Dwayne Hannam
    5.0 out of 5 stars Great product
    Reviewed in the United States on January 1, 2024
    Verified Purchase
    My Chevy Sonic doesn't have coolant temp readout. This was plug and play. I just used a bracket from the hardware store and double sided tape to mount it on my dash
    One person found this helpful
    Helpful
     Report
    Fernando Fabregas
    5.0 out of 5 stars Product was fine
    Reviewed in the United States on February 2, 2024
    Verified Purchase
    The media could not be loaded.
     Product did reas multiple parameters, I was lookif for a specific one. Supercharger boost pressure for a 2017 Audi Sq5. Was not able to read.
    One person found this helpful
    Helpful
     Report
    Christian
    5.0 out of 5 stars Easy install
    Reviewed in the United States on May 1, 2022
    Verified Purchase
    My car doesn't have a coolant temp guage and is prone to coolant leaks and overheating. This guage allows me to monitor my coolant temp, along with many other things, and even check/clear engine codes! More accurate reading than a temp guage in the radiator hose because the cars temp sensor is in the engine block. Worth every penny!!
    2 people found this helpful
    Helpful
     Report
    Rob Combs
    1.0 out of 5 stars Doesn’t work.
    Reviewed in the United States on November 17, 2018
    Verified Purchase
    Figure I would try it out, rand everything and to my disappointment the gauge didn’t work. It just says obd 2 then flashes obd 2 again and goes black. Being my car is an 02 with Can OBD 2 I figured it would work just fine. No luck. So to those who buy it plug it in first run the car and make sure it works before you spend the tome doing the install.
    8 people found this helpful
    Helpful
     Report

    Top reviews from other countries

    Translate all reviews to English
    Mar
    1.0 out of 5 stars Baja calidad
    Reviewed in Mexico on January 13, 2021
    Verified Purchase
    Lo instale en un Gti mk7 y no me marco el boost que es para lo que lo quería , y aparte a la primera limpiada con una microfibra se rayó
    Report
    christian
    3.0 out of 5 stars Non adatto a tutte le auto
    Reviewed in Italy on February 6, 2021
    Verified Purchase
    Ottimo strumento multifunzione, peccato che non legge tutti i protocolli della OBD2.
    Le OBD2 è uno standard ISO, ma ogni casa automobilistica usa un suo protocollo, i protocolli sono 5.
    La mia auto è una marca Italiana e usa probabilmente un protocollo europeo, questo strumento non legge questo tipo di protocollo. Evidentemente legge solo il protocollo Americano (statunitense).
    purtroppo è un grave errore che la AEM Elettronics non abbia pensato ad uno strumento OBD2 compatibile per tutti i protoccoli della presa OBD2.
    Report
    Salvo
    3.0 out of 5 stars Ok
    Reviewed in Germany on June 25, 2019
    Verified Purchase
    Qualitativ hochwertig. Leider nicht mit einem Alfa 159 kompatibel
    Report