Module for arduino Wideband O2 Air/Fuel Module w/sensor LSU 4.9, with library.

30-4110 UEGO Wideband O2 Air Fuel Ratio Gauge AFR 52mm w/4.9 LSU Sensor

Module for arduino Wideband O2 Air/Fuel Module w/sensor LSU 4.9, with library.w

Wideband O2 Air/Fuel (LSU4.9 not included) Shield for Arduino with Bluetooth

Module for arduino Wideband O2 Air/Fuel (LSU 4.9 not included), with library.

52mm Wideband Air Fuel Ratio X-Series 30-0300 with LSU 4.9 O2 Sensor & Control

Bosch LSU 4.9 Wideband O2 Sensor (UEGO) w/ Bosch Connector (.45m/17.7in length)

Bosch LSU 4.9 Wideband O2 Sensor (UEGO) w/ Bosch Connector (1m/39.4in length)