AEM Bosch LSU 4.9 Replacement O2 Sensor brand_ACL 2 x O-Rings on Back

2 x O-Rings on Back of Oil Pump

Use this when your crank is cut

OEM Cartridge Filter

Weight matched to +/- 1

AEM Bosch LSU 4.9 Replacement O2 Sensor brand_ACL 2 x O-Rings on BackAEM 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