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AEM Wideband UEGO controller monitors air/fuel ratios during tuning to prevent lean fuel mixtures that can lead to engine damage. This unit combines AEM's single-channel wideband UEGO controller and gauge display into one compact unit. This gauge type controller features a digital LED display and sweeping LED needle that changes colors as the AFR changes from rich to lean. The gauge fits in any 52mm (2 1/16") housing and can be mounted virtually anywhere in the cabin. Some of the key features are:
- AFR monitoring tool for EFI and carbureted applications and engine dynometers.
- No laptop required for monitoring
- Includes Bosch O2 Sensor
- Accurate to 0.1 AFR
- Capable of reading in AFR or Lambda with a flick of a switch
- 24 Color Coded LED display lights for immediate reference to engine's AFR or Lambda ratio
- Integrated three-digit display shows AFR or Lambda in real time
- Serial data stream included for output of AFR (RS 232)
- User programmable 0-5v analog output included for use with data loggers or any engine management system
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006 - 2007 | Subaru | Impreza | 2.5i, WRX TR, WRX Limited |
| 2005 - 2007 | Subaru | Impreza | Outback Sport |
| 2002 - 2004 | Subaru | Impreza | Outback, TS |
| 2002 - 2005 | Subaru | Impreza | RS |
| 2002 - 2007 | Subaru | Impreza | WRX |
| 2004 - 2007 | Subaru | Impreza | WRX STI |
| 2007 | Subaru | Impreza | WRX STI Limited |
Ships within 1-2 business days.
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AEM Electronics 52mm Gauge Type Wideband UEGO Controller
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


