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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
AEM X-Series Air Fuel Ratio Gauge, Patented X-Digital TechnologyX SERIES WIDEBAND UEGO CONTROLLER FEATURES: X Series Wideband UEGO AFR Controller Gauge were fastest responding wideband air fuel ratio controllers in an independent test vs. 17 competitors wideband AFR controllers Patented X Digital wideband technology (Patent 9,575,030) Includes Bosch 4. 9LSU wideband UEGO sensor Factory calibrated resistor does not require free air calibration, but technology allows for free air calibration as sensor ages if user
X-SERIES WIDEBAND UEGO CONTROLLER FEATURES:
- X-Series Wideband UEGO AFR Controller Gauge were fastest responding wideband air/fuel ratio controllers in an independent test vs. 17 competitors wideband AFR controllers
- Patented X-Digital wideband technology (Patent 9,575,030)
- Includes Bosch 4.9LSU wideband UEGO sensor
- Factory calibrated resistor does not require free-air calibration, but technology allows for free-air calibration as sensor ages if user desires
- Compatible with vehicle/system voltages up to 16V
- 0-5V & RS232 output for data logging and feedback control, AEMnet (CANbus) for data logging and daisy-chaining multiple controllers up to 16 cylinders
- 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%, and 3- or 4-digit display
- Black bezel and black dual faced faceplate included (gauge only, silver bezel/white gauge option sold separately, PN 30-0300-ACC)
- Locking connectors
- Output to LINK ECU for Data logging YES - Limit Triggering NO
- AEM 30-0300 Comes as a complete Kit, everything you need to have it working.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.7 ★★★★★
Based on 567 reviews
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Product Reviews
★★★★★ 5
Great product
Size: 2.67 Ounce (Pack of 12)
I've used this buffing fluid for years in tire repair. I found it just as easy to get it here as anywhere else.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Good stuff
Size: 2.67 Ounce (Pack of 12)
Better than Tech and saved me some money.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Buff and stuff
Size: 2.67 Ounce (Pack of 12)
Works well for buffing. Don’t recommend drinking
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Reviewed in the United States on November 7, 2025
★★★★★ 5
Works
Size: 2.67 Ounce (Pack of 12)
Very pleased with product. Seals and holds very well with rubber repairs.
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Reviewed in the United States on October 14, 2025
★★★★★ 4
Works
Size: 2.67 Ounce (Pack of 12)
Works
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Reviewed in the United States on November 30, 2025