SIERRA WATER PUMP IMPELLERS - YAMAHA - S18-8911
| PART NUMBER | HP MODEL | YEAR | CUP | PLATE | DAMPER SEAL | KIT WITHOUT HOUSING |
| S18-8911 | F2.5 | 2003-15 | - | S18-0409 | S18-3166 | S18-4534 |
| F2.5 | 2016-18 | S18-4547 | S18-4574 | S18-1840 | S18-4532 | |
| 3 | 1988-02 | S18-3164 | S18-3163 | S18-3166 | - |