Parts list: № Number Qty Name Options 1 AT363074 1 Weight Kit Whole Goods 2 T231995 2 Adapter Fitting 3 R26448 2 O-Ring 11.887 X 1.981 mm (0.468" X 5/64") 4 AT358048 2 Transducer Next page: ST130486 Rear Object Detection System Kit ST130485 Rear Object Detection System ST7526 Rear Object Detection System Kit ST130146 Backup Alarm ST434154 Horn PICT-2004.1 2004 Warning Devices Including Horn & Reverse Alarm