AEM Bosch LSU 4.9 Replacement O2 Sensor AMS By using a larger 90mm

By using a larger 90mm (3

Better pedal feel under extreme braking conditions

High-quality sealed sensor housings are virtually impervious to automotive fluids (360-degree welded wetted area)

They improve your braking performance for competition or every-day driving

and create and name each mode using ProECU*

AEM Bosch LSU 4.9 Replacement O2 Sensor AMS By using a larger 90mmAEM Bosch LSU 4. 9 Replacement O2 Sensor Part Number: 30 2004 AEM's Bosch 4. 9 LSU Wideband UEGO O2 replacement sensor kit includes only the sensor (with attached cable and male connector) and is intended to replace an existing mounted wideband sensor used with AEM Digital Wideband UEGO Air Fuel Controller Part Number 30 4110. These sensors have a laser etched, calibrated resistor in the sensors connector body. This resistor is specifically created