FORE & AFT MARINE
MERCRUISER WATER PUMP KITS
| COMPLETE WATER PUMP KIT APPLICATION | |||||
| Model | Serial No. | Complete Water Pump Kit |
Upper Pump Hsg. |
Upper Pump Kit |
Water Pump Base |
| #1 Units with plastic flush screw in gear housing | 2495186-2763441 | 18-3321 | 18-3116 | 18-3517 | 18-3421 |
| #1 Units (Except MR/ALPHA) w/o flush screw in gear housing | 2763442-6854392 | 18-3317(1) | 18-3116 | 18-3517 | 18-3417(1) |
| MR/ALPHA I | 6854393 - D594568 | 18-3320 | 18-3116 | 18-3517 | 18-3420 |
| ALPHA I - Generation 2 | D494569 & ABOVE | C | C | C | C |
| (1) Models which have been retro-fitted with an Alpha style lower unit (no pre-load pin in top of driveshaft) must use Alpha style parts (18-3320 and 18-3420) | |||||