**Y-Adapter AA002458 required for Northstar 660, 567, 467, 657, 650, 557, 550, 550i, 457 display units.
Gasoline fuel sensors are suitable for the following engines:
| Engine Type | Range |
| Carburetted 2-stroke and EFI* Outboards | 50-300hp |
| 4-Stroke outboards | 90-300hp |
| Inboard engines | 70-450hp |
* Will not work with EFI engines that have a return fuel line.
