Check the listing for details. Fiat Croma 2007 Genuine BVV3249 ECU Engine Control Unit 51804784. Condition: Used. Listed at 39.89 USD. Fiat Croma 2007 engine control unit ECU 51804784 kW GENUINE BVV3249 IMPORTANT / IMPORTANT: Please compare part number 51804784, 0281012961, 4134A3DCM to ensure compatibility. We do not guarantee a perfect fit. Identifying the part number is essential. Used item, removed from a running vehicle. Please check pictures for any defects. You will always get the exact same item as in the pictures unless stated differently. The best way to find your needed part is by checking your current part number or consulting your dealer with your VIN. We ship within one business day after payment. We offer a 30-day warranty on all items! If you changed your mind or ordered by mistake, you can return it within 30 days (buyer pays shipping). If the item is damaged or not as described, we cover the return cos.