Mercruiser Inline Fuel Filter | Sierra 18-7721
Sierra fuel filter fits Mercruiser MPI & EFI marine engines with boost pump.
- Mercruiser fuel filter
- Fits all MPI and EFI Mercruiser engines with boost pump
- 8.1L 496 cu. in.
- For 3/8 in. ID fuel lines
- Replaces Mercury 35-864572
