Honda 4-Stroke Water Pump
| Model | HP | Year | Impeller | Full Kit |
|---|---|---|---|---|
| BF5A | 5 | 1998-06 | 18-3245 | 18-3278 |
| BF5A | 5 | K0, K2, K3 | 18-3245 | 18-3278 |
| BF8A | 8 | 1998-00 | 18-3245 | 18-3279 |
| BF8A | 8 | 2003-06 | 18-3245 | 18-3279 |
| BF8A | 8 | K0 | 18-3245 | 18-3279 |
| BF8D | 8 | 2002-06 | 18-3100 | 18-3493 |
| BF8D | 8 | K0, K2, K3 | 18-3100 | 18-3493 |
| BFP8D | 8 | 2002-06 | 18-3100 | 18-3493 |
| BFP8D | 8 | 2002-06 | 18-32455 | 18-3478 |
| BFP8D | 8 | K0, K2, K3 | 18-3100 | 18-3493 |
| BFP8D | 8 | K0, K2, K3 | 18-32455 | 18-3478 |
| BF9.9A | 9.9 | 1998-01 | 18-3247 | 18-4536 |
| BF9.9A | 9.9 | 1999-02 | 18-3247 | 18-3280 |
| BF9.9D | 9.9 | 2002-06 | 18-3100 | 18-3493 |
| BF9.9D | 9.9 | K0, K2, K3 | 18-3100 | 18-3493 |
| BFP9.9D | 9.9 | 2002-06 | 18-3100 | 18-3493 |
| BFP9.9D | 9.9 | 2002-06 | 18-32455 | 18-3478 |
| BFP9.9D | 9.9 | K0, K2, K3 | 18-3100 | 18-3493 |
| BFP9.9D | 9.9 | K0, K2, K3 | 18-32455 | 18-3478 |
| BF15A | 15 | 1998-01 | 18-3247 | 18-4536 |
| BF15A | 15 | 1999-02 | 18-3247 | 18-3280 |
| BF15D | 15 | 2003-06 | 18-32455 | 18-3478 |
| BF15D | 15 | K0, K2, K3 | 18-32455 | 18-3478 |
| BFP15D | 15 | K0, K2, K3 | 18-32455 | 18-3478 |
| BF20D | 20 | 2003-06 | 18-32455 | 18-3478 |
| BF20D | 20 | K0, K2, K3 | 18-32455 | 18-3478 |
| BFP20D | 20 | 2004-06 | 18-32455 | 18-3478 |
| BFP20D | 20 | K0 | 18-32455 | 18-3478 |
| BF25A | 25 | 2001-03 | 18-3249 | 18-3281 |
| BF25D | 25 | 2004-06 | 18-3249 | 18-3281 |
| BF25D | 25 | K0, K2, K3 | 18-3249 | 18-3281 |
| BF30A | 30 | 2001-03 | 18-3249 | 18-3281 |
| BF30D | 30 | 2004-06 | 18-3249 | 18-3281 |
| BF30D | 30 | K0, K2, K3 | 18-3249 | 18-3281 |
| BF40A | 40 | 2000-06 | 18-3248 | 18-3282 |
| BF40A | 40 | K0 | 18-3248 | 18-3282 |
| BF40D | 40 | K2 | 18-3248 | 18-3282 |
| BF40D | 40 | Pre-1997 | 18-3248 | 18-3282 |
| BF50A | 50 | 2000-06 | 18-3248 | 18-3282 |
| BF50A | 50 | K0 | 18-3248 | 18-3282 |
| BF50D | 50 | K2 | 18-3248 | 18-3282 |
| BF50D | 50 | Pre-1997 | 18-3248 | 18-3282 |
| BF75A | 75 | 1997-98 | 18-3056 | 18-3214 |
| BF75A | 75 | 1999-02 | - | 18-3492 |
| BF75A | 75 | 2003-06 | 18-3250 | 18-3283 |
| BF75D | 75 | K0, K2 | 18-3250 | 18-3283 |
| BF90A | 90 | 1997-98 | 18-3056 | 18-3214 |
| BF90A | 90 | 1999-02 | - | 18-3492 |
| BF90A | 90 | 2003-06 | 18-3250 | 18-3283 |
| BF90D | 90 | K0, K2 | 18-3250 | 18-3283 |
| BF115A | 115 | 1999-02 | - | 18-3492 |
| BF115A | 115 | 2003-06 | 18-3250 | 18-3283 |
| BF115A | 115 | K0 | 18-3250 | 18-3283 |
| BF115D | 115 | K1 | 18-3250 | 18-3284 |
| BF115D | 115 | Pre-1997 | 18-3250 | 18-3284 |
| BF130A | 130 | 1999-02 | - | 18-3492 |
| BF130A | 130 | 2003-04 | 18-3250 | 18-3283 |
| BF135A | 135 | 2004-06 | 18-3250 | 18-3284 |
| BF135A | 135 | K0, K2 | 18-3250 | 18-3284 |
| BF150A | 150 | 2004-06 | 18-3250 | 18-3284 |
| BF150A | 150 | K0, K2 | 18-3250 | 18-3284 |
| BF175A | 175 | K1 | 18-3031 | 18-3285 |
| B175A | 175 | K2 | 18-3031 | 18-3285 |
| BF200A | 200 | 2002-06 | 18-3031 | 18-3285 |
| BF200A | 200 | K0, K1, K2 | 18-3031 | 18-3285 |
| BF225A | 225 | 2002-06 | 18-3031 | 18-3285 |
| BF225A | 225 | K0, K1, K2 | 18-3031 | 18-3285 |
| BF250A | 250 | ALL | 18-3031 | 18-3489 |