Water Pump Impeller Kit For Yamaha 150-250 hp - 6G5-W0078-A1-00, 18-3311
Water Pump Impeller Kit For Yamaha 150-250 hp - 6G5-W0078-A1-00, 18-3311
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Water Pump Impeller Kit for Yamaha
This water pump impeller kit for Yamaha outboard engines from 150 to 250 hp replaces OEM part numbers 6G5-W0078-A1-00 and 18-3311, ensuring proper cooling by circulating water through the engine.
Overview
This water pump impeller kit is designed for Yamaha outboard motors ranging from 150 to 250 horsepower, providing a precise replacement for worn impellers. It includes the impeller and necessary gaskets or seals to restore cooling system performance. Ideal for preventing overheating and extending engine life on Yamaha V6 and inline-four outboards.
Built For Performance
- Manufactured from flexible rubber compound for efficient water pumping
- Direct replacement for OEM parts 6G5-W0078-A1-00 and 18-3311
- Includes necessary gaskets or seals for a complete overhaul
- Designed to withstand saltwater and freshwater environments
- Precision-molded blades ensure consistent flow at all RPMs
Fits These Machines
- for Yamaha 150 hp outboard
- for Yamaha 175 hp outboard
- for Yamaha 200 hp outboard
- for Yamaha 225 hp outboard
- for Yamaha 250 hp outboard
On-The-Job Use
- Replacing a worn or damaged impeller during routine water pump service
- Rebuilding the lower unit water pump on Yamaha outboards
- Ensuring proper cooling for long runs at high throttle
- Performing annual maintenance to prevent overheating
Specs At A Glance
| Part Number(s) | 6G5-W0078-A1-00, 18-3311 |
Good To Know
Q: How often should the water pump impeller be replaced on a Yamaha outboard? A: It is recommended to replace the impeller every 1-2 seasons or annually, depending on usage and water conditions, to avoid overheating.
Q: Does this kit include the housing or just the impeller? A: This is an impeller kit that includes the impeller and necessary gaskets or seals; the housing is not included and should be inspected separately.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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