SKU: 50606079518

AEM X-Series Wideband UEGO AFR Sensor Controller Gauge Kit with X-Digital Technology

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Description

AEM X-Series Wideband UEGO AFR Sensor Controller Gauge Kit with X-Digital TechnologyAEM's X Series OBDII Wideband UEGO AFR Sensor Controller Gauge (PN 30 0334) provides tuners who are using piggyback tuning modules or open source software with the ability to view AFR through the factory CAN bus stream that is output by the factory ECU, and deliver the most accurate, safe and powerful tune. The 30 0334 X Series OBDII Wideband Gauge is validated to work with EFILive, HPTuners and DashDaq software. The X Series Wideband AFR OBDII Gauge

AEM's X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge (PN 30-0334) provides tuners who are using piggyback tuning modules or open source software with the ability to view AFR through the factory CAN-bus stream that is output by the factory ECU, and deliver the most accurate, safe and powerful tune. The 30-0334 X-Series OBDII Wideband Gauge is validated to work with EFILive, HPTuners and DashDaq software. The X-Series Wideband AFR OBDII Gauge includes an OBDII pass-through connector and Bosch 4.9LSU sensor that can be free-air calibrated or used with the factory resistor calibration. Additional wiring for a 0-5v or RS232 Serial output can be added by the user for outputting to a data logger. This OBDII pass-through capability replaces the traditional AEMnet stream available in the 30-0300 X-Series Wideband AFR Gauge Controller.

OBDII CAN-bus OUTPUT

The OBDII output simulates an auxiliary ECU signal when plugged into a vehicle’s OBD port, which requires a unique address from the other ECUs already on a vehicle’s network. AEM’s default OBDII CAN address will work with most popular vehicles and adjustments should not be necessary. However, AEM has provided OBDII address programmability through the buttons on the gauge face if a different address other than the default address is required, allowing users to program ECU #, Parameter Identification (PID), Message Identifier, and Bit Rate.

PATENTED X-DIGITAL TECHNOLOGY – It’s The Fastest

X-Series Widebands are the fastest responding wideband air/fuel ratio controllers in independent testing against 17 other wideband UEGO air/fuel controllers.* The controller’s high speed, patented, X-Digital technology (Patent 9,575,030) ensures no loss of signal fidelity and full transient response, making it able to identify the slightest fluctuations in AFR and output them in full value.

WHY RESPONSE TIME MATTERS

Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM’s Wideband Controllers with X-Digital technology reduce deadtime and can improve the performance of your vehicle through more accurate AFR tuning.

FACTORY CALIBRATION RESISTOR OR FREE-AIR CAL, IT’S YOUR CHOICE!

X-Series Wideband Gauges and the X-Series Inline Controller support the popular Bosch 4.9LSU sensor, and can utilize both the factory calibration resistor and free-air calibration methods. This allows users to take advantage of the precise factory resistor calibration when a sensor is new but then allows for free-air calibrations if the user desires when the sensor ages.** It’s the perfect marriage of simplicity and accuracy!

WHAT IS A WIDEBAND UEGO AIR/FUEL CONTROLLER?

AEM's Wideband UEGO (Universal Exhaust Gas Oxygen, pronounced “You-Way-Go”) Controllers are powerful, cost effective tuning tools that allow users to accurately monitor the Air/Fuel Ratio (AFR) of their engine.

WHY USE A WIDEBAND AIR/FUEL CONTROLLER?

Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough fuel) may result in serious engine damage. Using a wideband air/fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency. AEM has a comprehensive line of highly accurate, reliable wideband air/fuel controllers that can help ensure your vehicle is optimally tuned.

CAN I CHANGE THE AEM UEGO SENSOR’S CONNECTOR?

No. There is a laser-etched, calibrated resistor in the sensor’s connector body. This resistor is specifically created for the exact sensor that it is attached to. Modifying this will invalidate the sensor’s output. * Independently tested at 360° Product Testing (results reported on August 31st, 2015) against 17 competitor wideband UEGO Air/Fuel Controllers. AEM X-Series Inline with Bosch 4.9LSU wideband sensor and AEM X-Series Wideband UEGO AFR Gauge with Bosch 4.9LSU sensor recorded the fastest response times. ** Wideband UEGO sensors are wear items and their lifespan is determined by many factors including contamination from leaded fuels, automotive fluids, particulates, mechanical or thermal shock and from being unheated and exposed to the exhaust stream. Free-air calibration may correct drift as a sensor ages, but it is recommended that they are replaced as part of your vehicle’s maintenance program. When performing free-air calibration, please follow the procedure outlined in the instruction manual.

Features:

  • Patented X-Digital Technology makes it the Fastest Responding Wideband AFR Controller (Patent # 9,575,030)
  • 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 and OBDII pass-through connector
  • 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
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50606079518

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4.4 ★★★★★
Based on 20 reviews
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Product Reviews
L
Ludadude
Lexington, US
★★★★★ 3
Durable Wooden Puzzle, but the Visuals are Disappointing
Color: Fifa Mascot 1, Size: 26PCS, Color: Fifa Mascot 1, Size: 26PCS
I picked this up to get ready for the 2026 World Cup hype. While it’s a cool idea for a collectible, the final result is a bit of a letdown visually. The Material The best thing about this puzzle is that it’s made of wooden pieces rather than the typical thin cardboard you find in cheap puzzles. This gives it a nice weight and makes it feel much more durable. The pieces fit together well and it feels like it will last a long time. The Problem: Distracting Black Outlines The main reason for the 3-star rating is the printing and cut quality. As you can see in my photos, the black outlines around every single piece are way too noticeable. Instead of the pieces blending together to create a smooth, clean image of the World Cup graphics, the whole thing looks "choppy" and fragmented. Up close, the black seams really take away from the design, making the overall picture look less premium than it does in the stock photos. Final Verdict If you just want a quick, sturdy wooden activity for a soccer fan, this is fine. But if you’re looking for a high-quality display piece to show off your 2026 excitement, the heavy black lines might bother you. It’s a decent "mid-tier" collectible, but it could have been much better with a more seamless print. Pros: Solid wooden construction (much better than cardboard). Officially branded 2026 World Cup item. Easy to handle pieces. Cons: Heavy black outlines break up the image. Doesn't look very "clean" once fully assembled.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
A
A Cat, The Gunnies & Frogs OH MY!
Belleville, US
★★★★★ 5
The Ultimate Puzzle for Soccer Fans – Beautiful, Challenging & Totally Frame-Worthy ⚽🧩
Color: Wa 26 Ball-200, Size: 200Pcs
As someone who absolutely loves puzzles and is a huge World Cup fan, this one felt like it was made just for me. It combines two of my favorite things—a fun, satisfying puzzle experience and meaningful, display-worthy art—and honestly, it exceeded my expectations. The design is stunning. The “We Are 26” FIFA World Cup theme gives it that special, collectible feel, especially knowing the 2026 tournament will be hosted across the U.S., Canada, and Mexico. It feels like a piece of history in the making, and that makes completing it even more exciting. The 200-piece count is perfect for a relaxing but engaging session. It’s not overwhelming, but still gives you that satisfying challenge. I loved how immersive it felt—great for unwinding without staring at a screen, and it really keeps your mind focused and engaged. What truly sets this puzzle apart is the quality of the wooden pieces. They’re thick (5mm!) and durable, with a really nice weight to them. They fit together beautifully and feel sturdy enough that once completed, the puzzle holds its shape—which is ideal if you plan to display it. And yes… this is absolutely frame-worthy. The finished 11.8 x 11.8 inch size is perfect for wall décor, and the design looks so clean and polished once complete. I love turning my puzzles into art, and this one looks amazing in a home office or living space—especially for anyone who loves soccer. Why I love it: * Official FIFA World Cup 2026 design with real collectible value * Perfect balance of challenge and relaxation * Thick, high-quality wooden pieces that feel durable and premium * Beautiful finished look—ideal for framing or gifting * Great for puzzle lovers and soccer fans alike Perfect for gifting: I’ve already decided this will be one of my go-to gifts for friends and family who love soccer. It’s thoughtful, unique, and something they can enjoy and keep. Final thoughts: If you love puzzles that you can complete, admire, and proudly display, this one is a standout. And if you’re also a World Cup fan? It’s truly the best of both worlds. ⚽✨
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
B
BDH
New York, US
★★★★★ 5
Premium Quality, Beautiful Puzzle
Color: Usa Ball-200, Size: 200Pcs, Color: Usa Ball-200, Size: 200Pcs
I will preface this by saying that I am not usually a big fan of puzzles. Puzzles I’ve done in the past are too flimsy and there’s been too much guesswork about whether pieces actually go together. But As a huge fan of the World Cup, this puzzle was a must-have. It far exceeded my expectations! The craftsmanship is outstanding. Each of the pieces is made from thick, high-quality wood (the 5mm thickness really makes a difference), giving it a premium feel that you don’t get with standard cardboard puzzles. There’s a satisfying feel when 2 pieces go together. It actually felt like an accomplishment to finish the whole thing. The fact that it comes with a backing that allows you to permanently fix it in place and display it is another added touch that I loved. It’s just under 12 inches in diameter once complete, which looks great on the wall if you decide to hang yours once finished. I think it’s a great value when compared to standard cardboard puzzles. You can tell that there is actually a lot of thought placed into creating this puzzle. What really sets this puzzle apart are the unique piece shapes. There are about 10 pieces that are made in themed shapes, like the Statue of Liberty, soccer players, a cleat, etc. Somehow, despite these pieces being there, the puzzle was still a challenge which took me about 2 1/2 hours to finish. This would make an amazing gift for any soccer fan or puzzle enthusiast, especially with the excitement building around the 2026 tournament.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
I
Ian B.
Draper, US
★★★★★ 4
Officially Licensed, Officially Priced!
Color: Trophy 3, Size: 200Pcs, Color: Trophy 3, Size: 200Pcs
Let me first state that this is a nice package. It's officially licensed, includes everything you need to convert it to make it a permanent decoration (or at least an every four years decoration), and is of very high quality. The pieces are really cool, I love the variety and the recognizable items. I really only have two complaints: 1. The price. It says FIFA, so you pay for it. This is a high price for a wooden puzzle of this size, as they are usually at least $10 less, plus it's always a bummer giving FIFA any more money. 2. There is a VERY strong chemical aroma, which will hopefully dissipate. The puzzle is shipped in plastic, so hopefully a little more time out of the plastic will improve that aspect. Overall it's a fun puzzle. I found the black around the trophy to be a bit challenging, but the crazy shapes of the pieces make it easier than it would be with standard puzzle pieces. Plus the unique recognizable pieces help! I'll give it a solid 4/5 despite my disdain for FIFA and the premium price - that is after-all justifiable to some degree given that we're a couple of months away from the World Cup. The one star deduction is purely down to the chemical aroma.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
C
CarmenSandieEggho
Belleville, US
★★★★★ 5
Very well made but strong wood smell
Color: Trophy 3, Size: 200Pcs, Color: Trophy 3, Size: 200Pcs
This is a really well made puzzle. These pieces are nice and thick, the laser cutting is extremely precise, and the picture is stuck on very well to each one without peeling. There is an extremely strong burned wood smell when you open the box, but it's not a bad smell to me, more like a fireplace wood burning smell. Anyone that is very affected by strong smells would probably not like this puzzle though. I also don't know how long it will take for the smell to go away, if ever, but I've had this puzzle for 2 weeks now and the box still smells strongly like wood that has been set on fire. We haven't put the puzzle together yet, life is just been rather busy, but the couple pieces I found that did fit together went very smoothly. I like how unique the shapes are, and that there are the World Cup icons as well. This should be a lot of fun! It did come with a clear sticker to keep it together for hanging, but because of how that sheet was folded in the box, it'll have to be attached on the back or else there will be visible seams.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026

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