ZEITRONIX WIDEBAND LAMBDA Replacement Bosch O2 Sensor LSU 4.9

                                                                             Genuine Bosch O2 Sensor

Check which O2 sensor plug is compatible  with your wideband controller.

The O2 sensor connector plug is usually a good indicator of what you have.

The LSU 4.9 connector size is about 0.9″ x 0.6″ (22mm x 15mm)