Water Pump Impeller Kit 821354A Fit Mercury Force Outboard 25 30 40 45 50 HP
821354A
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Water Pump Impeller Kit 821354A2
Reliable Cooling for Mercury, Mariner & Force Outboards
Maintain peak engine performance and prevent overheating with this high-performance Water Pump Impeller Repair Kit. Designed specifically for the 25 HP to 50 HP range of Mercury, Mariner, and Force outboard engines, this kit provides all the essential components to restore your water pump's efficiency. Regular replacement of the impeller and gaskets is critical to ensuring consistent water flow through your engine's cooling passages.
Full Kit Contents
- ✔ 1 x Neoprene Impeller (6-Blade)
- ✔ 1 x Stainless Steel Wear Plate
- ✔ 2 x High-Temp Gaskets
- ✔ 1 x Drive Key (Woodruff Style)
- ✔ 1 x Water Tube Grommet/Seal
Technical Specs
| Impeller Blades: | 6 |
| Outer Diameter: | 73.8mm (2.906") |
| Inside Diameter: | 16.0mm (0.629") |
| Height: | 12.6mm (0.496") |
| Material: | Neoprene & Brass Hub |
Compatibility / Fitment Guide
| Engine Model | Horsepower / Configuration | Serial Range / Years |
|---|---|---|
| Mercury / Mariner | 25 HP 4-Stroke (Carb) | 0G590000 - 0T408999 |
| Mercury / Mariner | 30 HP (2-Cylinder) | 0G053314 & Up |
| Mercury / Mariner | 40 HP (2-Cylinder) | 0G053314 & Up |
| Mercury / Mariner | 40/50 HP 4-Stroke | 0G231123 - 0T178499 |
| Force Outboards | 40 / 50 HP | 1995 - 1999 (Mercury LU) |
OEM Cross Reference
| Mercury/Quicksilver: 821354A04, 821354A1, 821354A2 | Sierra Marine: 18-4531 |
| GLM: 12045 | Mallory Marine: 9-48303 |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.
How do I know if it is compatible?
We recommend checking the SKU/MPN and Cross Reference list provided above. If your original part number matches any of these, it is a guaranteed fit.
Does my engine serial number matter?
Yes. Mercury Marine outboards often have mid-year changes. Please verify that your serial number falls within the ranges listed in our fitment guide to ensure the correct water tube seal and gasket patterns are provided.
Note: Please verify your original part number against the references above before purchasing. All domain mentions are for reference only: 4boats.co.uk
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
