AEM Classic Digital Wideband AFR Gauge, No Sensor - 30-4110NS

The AEM 30-4110NS is AEM's Classic 52 mm digital wideband gauge and controller that measures air/fuel ratio (AFR), sold without the oxygen sensor.

A lower-cost way into wideband tuning if you buy the Bosch LSU 4.9 sensor separately. For CAN output and AEM/FAE sensor support, see the X-Series wideband gauge without sensor.

Fitment and requirements

• Requires a Bosch LSU 4.9 wideband sensor (not included); AEM's replacement is the Bosch LSU 4.9 replacement sensor 30-2004
• A weld-in O2 bung in the exhaust
• Switched 12V power and ground, and a 52 mm gauge pod or panel hole

What it does

• Digital AFR readout with LED sweep
• Never needs free-air calibration
• 0-5V analog output (10-20 AFR range)
• 52 mm (2-1/16 inch) housing

What is in the box

• Classic wideband gauge
• 96 inch LSU 4.9 sensor cable
• Power cable
• Sensor not included

Installation and limitations

AEM states a non-approved sensor can affect operation and void the gauge warranty. Full details: AEM 30-4110NS instructions (PDF).

Specifications

• Part number: 30-4110NS
• Brand: AEM
• Warranty: 1 year manufacturer warranty
• Country of origin: China
• Packaged size: 5.5 x 5.4 x 5.3 in, 1.06 lb
• UPC: 840879024765

Frequently asked questions

Which sensor does the AEM 30-4110NS need?

A Bosch LSU 4.9 wideband sensor, such as the Bosch LSU 4.9 replacement sensor 30-2004.

Classic 30-4110NS or X-Series 30-0300NS?

The X-Series adds AEMnet CAN output, AEM/FAE sensor support and a slimmer body. The Classic costs less.

Can I log the AEM 30-4110NS with an HP Tuners MPVI4?

Yes, with extra hardware. Wire the gauge 0-5V analog output into the PROLINK+ cable (sold separately), which brings external 0-5V signals into VCM Scanner, and enter AEM's AFR scaling from the instructions. See the HP Tuners MPVI4.