This kit includes only a replacement Bosch 4.2 LSU Wideband UEGO sensor and a stainless-steel, finned, stand-off manifold bung, designed for installation with the AEM 4-Channel Wideband UEGO Controller on forced-induction (turbo or supercharged) applications. The sensor's laser-etched, calibrated resistor is factory-calibrated at Bosch to 0.1 AFR and never requires free-air calibration.
Specifications:
- Sensor: Bosch 4.2 LSU
- Bung: Stainless steel, finned, tall/stand-off design
- Application: Forced induction (turbo/supercharged)
- Compatible With: AEM 4-Channel Wideband UEGO Controller
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 30-2063
This product carries a California Proposition 65 warning per the manufacturer's data.
FAQ
Why does the 30-2063 use a tall manifold bung?
The stainless, finned, stand-off bung is designed for boosted (turbo/supercharged) applications where extra clearance and heat dissipation are needed.
Which controller is this sensor designed for?
It's built for installation and use with the AEM 4-Channel Wideband UEGO Controller.
Does the sensor require free-air calibration?
No, it's factory laser-calibrated and never requires free-air calibration when used with an AEM wideband controller.

