Sierra 18-3321 Water Pump Kit - (MW)
This item is currently on backorder. You can still place an order, but it will only ship once it’s back in stock.
Mercruiser Water Pump Kit by Sierra
For #1 Units with flush S/N 2495186 - 2763441.
Kit Includes:
- 18-3109 - Water Tube
- 18-3017 - Impeller
- 18-3116 - Housing
- 18-3421 - Water Pump Base
- 18-2919 - Water Pump Base to Gear Housing Gasket
- 18-3110 - Grommet
- 18-2945 - Gear Housing Drain Screw Gasket
- 18-2826 - Water Pump Base to Gear Housing Gasket
- 18-2914 - Lower Water Pump to Wear Plate Gasket
- 18-2915 - Upper Water Pump to Wear Plate Gasket
- 18-2944 - Seal Ring
- 18-3117 - Plate
- 18-7158 - O-Ring
- 18-7162 - O-Ring
- 18-7173 - O-Ring
- 18-7176 - O-Ring
- 18-2801 - Water Pump Gasket
- 18-7196 - O-Ring
- 18-7426 - O-Ring
Replaces:
- GLM
- 12130
- Mallory
- 9-48308
WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov
Product Specifications
| Brand | Sierra |
|---|---|
| Manufacturer Part No. | 118-3321 |
| UPC | 030999315830 |
| Dimensions | 3.5" L × 5.25" W × 4.75" H |
| Shipping Weight | 0.98 lb |
| Shipping Box | 6x6x6" |

