Part Number: 47-3319
Sierra 18-3319 Water Pump Repair Kit
Keep your outboard cooling system operating reliably with the Sierra 18-3319 Water Pump Repair Kit. Designed as a high-quality replacement kit for select Yamaha outboards, this repair kit provides the essential components needed to restore proper water pump performance and maintain dependable engine cooling.
The water pump is critical to your engine’s cooling system, circulating water through the powerhead to regulate operating temperature and prevent overheating. Over time, impellers and internal pump components can wear from heat, sand, debris, and continuous use. Replacing worn water pump parts at recommended intervals helps maintain strong cooling water flow and reduces the risk of costly engine damage.
Built using durable marine-grade materials, the Sierra 18-3319 repair kit is engineered to meet or exceed OEM specifications for fit, performance, and long service life. Designed for use in both freshwater and saltwater environments, this kit delivers dependable reliability for demanding marine applications.
Common Engine Fitments
The Sierra 18-3319 water pump repair kit is commonly used on select Yamaha outboard engines, including:
- Yamaha 115 HP 2-stroke
- Yamaha 130 HP 2-stroke
- Yamaha 150 HP 2-stroke
- Yamaha 175 HP 2-stroke
- Yamaha 200 HP 2-stroke
- Yamaha V6 outboard applications
These engines are frequently found on:
- Offshore fishing boats
- Bay boats
- Center console boats
- Bass boats
- Flats boats
- Multi-species fishing boats
Popular boat brands commonly equipped with these Yamaha outboards include:
- Skeeter
- Pathfinder
- Sea Hunt
- Key West
- Boston Whaler
- Contender
The 18-3319 kit is commonly used in Yamaha raw water pump systems where maintaining proper cooling water circulation is essential for engine reliability and long-term performance.
Fitment may vary depending on engine year and lower unit configuration, so confirming compatibility with part number 18-3319 before ordering is recommended.
Typical Kit Contents
Depending on production revision, the kit may include:
- Water pump impeller
- Gaskets and seals
- O-rings
- Wear plate components
- Housing hardware and service parts
Contents may vary slightly by production batch.
Key Features
- High-quality marine water pump repair kit
- Helps restore proper cooling water circulation
- Designed for Yamaha outboard applications
- Marine-grade materials for durability and long service life
- Helps reduce the risk of overheating and cooling system failure
- Direct replacement for straightforward installation
Why Replace Your Water Pump Components?
Worn water pump components can reduce cooling system efficiency long before complete failure occurs. Routine maintenance helps maintain reliable water flow, protect internal engine components, and reduce the chance of unexpected downtime on the water.
If you’re servicing a compatible Yamaha outboard, the Sierra 18-3319 water pump repair kit delivers dependable cooling performance and OEM-style reliability you can trust.