SIERRA WATER PUMP IMPELLER - MERCURY/ MARINER - S18-3067
| PART NUMBER | HP MODEL | YEAR | KIT WITH HOUSING |
| S18-3067 | 25 | 1984-85 | S18-3426 |
| 25 | 1986-87 | S18-3427 | |
| C25 | 1991-97 | S18-3427 | |
| CV25 | 1990 | S18-3427 | |
| 30 | 1984-85 | S18-3426 | |
| 30 | 1986 | S18-3427 | |
| C30 | 1991-92 | S18-3427 | |
| CV30 | 1989-90 | - |