How would this interface with a microsquirt stand alone ecu and on a car pre-obd ii?

Don't get this one. Get the 30-0300, it comes with the complete harness. The 30-0333 is for new cars that can read the sensor off the canbus. Get the 30-0300.

Why does it show pictures of the 30-0311 but states this product is the 30-0344 for “piggy back” capabilities with hp tuners?

Not entirely sure what you mean. My kit came as pictured and works as advertised.

Will this wideband gauge work in “standalone mode”? i have a carbureted vehicle i need to tune and have no use for the obdii connectivity.

Yes. The gauge will display AFR on its own without connecting any of the obdii wiring

Does the digital gauge still work if the obd port is not connected? I would use this wideband for multiple car use not a single install.

Yes. The OBD pass through connector is just to get the information into your data logging software. The sensor reads into the gauge and then sends signal through a separate plug to the OBD port.

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⚡ Tune smarter, not harder — master your engine’s pulse with precision!

COMPACT SLEEK DESIGN - 52mm diameter gauge with a slim 0.85" depth fits seamlessly in any cockpit.
LIGHTNING FAST AFR READINGS - Experience ultra-responsive wideband AFR data for precision tuning.
UNIVERSAL TUNING COMPATIBILITY - Works flawlessly with popular tuning tools like HPtuners and DashDAQ.
PLUG AND PLAY OBDII PASS THROUGH - Effortlessly access factory ECU CAN-BUS data without complex wiring.
ENGINEERED FOR ACCURACY AND SAFETY - Bosch 4.9 LSU sensor ensures reliable AFR readings for optimal performance.

The AEM 30-0333 X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge delivers lightning-fast, accurate air-fuel ratio readings via factory CAN-BUS integration. Its slim 52mm gauge fits effortlessly in your vehicle, providing seamless compatibility with popular tuning software like HPtuners and DashDAQ. Designed for professional-grade tuning, it ensures safer, more powerful engine performance with Bosch’s trusted 4.9 LSU sensor technology.

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4408 Br

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Manufacturer	AEM
Part number	30-0333
Item Weight	500 g
Product Dimensions	15.24 x 12.7 x 12.7 cm; 500 g
Is Discontinued By Manufacturer	No
Color	black
Material	Plastic Metal
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	15.2 x 12.7 x 12.7 cm

AEM 30-0333 X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge

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