Audi A4 B8 Engine Control Unit Module ECU 2.0 TDI CNHC 163HP 04L906021BQ
Part no: 04L906021BQ. We will ALWAYS try our best to help. VEHICLE COMPATIBILITY. Genuine used OEM part. Part Replaces: 04L 906 021 BQ, 0281030369, 0 281 030 369. This item is used but is in good condition and is in full working order.