Check the listing for details. Genuine Nissan Blind Spot Detection System Warning Sensor Bracket 284H7-7LA0B. Condition: New. Listed at 50.35 USD. Genuine Nissan Parts. FAST NISSAN PARTS. Cancellation Policy. We cannot take back installed or tried parts. We cannot take back used parts. In the unlikely event that a part has been placed on backorder or discontinued, we will do our best to try and find one for you as quickly as possible.