Bosch LSU 4.9 O2 Sensor Datalogger Both of these are brand

Both of these are brand new aftermarket coil pack units sourced directly from the manufacturer and supplied in a set of four (4)

drop-in fitment with the factory style connector – no plug conversion required

This kit is exactly what you need to run new or convert over those old dry rotted and cracked vacuum lines

Reads and clears Diagnostic Trouble Codes (DTCs)

Bosch LSU 4.9 O2 Sensor Datalogger Both of these are brandAEM'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 for the exact sensor that it is attached to. Modifying this will