fits model: Sierra.

| Brand | AFTERMARKET YAMAHA OUTBOARD IMPELLER |
|---|---|
| Manufacturer Part Number | 646-44352-01 |
| UPC | 788934538492 |
| Type | OUTBOARD WATER PUMP IMPELLER |
| Engine Type | FOR YAMAHA OUTBOARD 2 HP ENGINE |
| Warranty | 1 YEAR |
| Aftermarket Replacement | SIERRA 18-3072 |
| Aftermarket Replacement 1 | GLM 89850 |
| Aftermarket Replacement 2 | MALLORY 9-45604 |
The Yamaha Outboard Impeller 646-44352-01 is an essential component of the water cooling system for select 2-stroke, 2 horsepower Yamaha outboard motors, including the Yamaha Sierra 18-3072. This impeller is meticulously engineered for optimal performance and durability to ensure your outboard motor operates at its peak efficiency.
Measuring approximately 11.2 inches in length, 6.3 inches in width, and 1.7 inches in height, this impeller boasts a robust and efficient design. Its six blades are strategically shaped and angled to provide maximum water intake and efficient water discharge, ensuring effective cooling of the engine.
Constructed from high-quality, corrosion-resistant materials, the impeller is designed to withstand the demanding marine environment. Its aperture features a precise, engineered shape to ensure proper water flow and prevent debris accumulation. The impeller's durable, UV-resistant rubber seal further protects the motor from water leakage and damage.
Installing this impeller is a straightforward process. It is designed to fit seamlessly into the existing water pump housing on the selected Yamaha outboard motor models. When replacing an old or damaged impeller, it's crucial to ensure a proper fit to maintain optimal engine performance.
In summary, the Yamaha Outboard Impeller 646-44352-01 is a vital component of your 2-stroke, 2 horsepower Yamaha outboard motor's cooling system. Its efficient design, corrosion-resistant materials, and easy installation process make it an invaluable investment for maintaining the overall health and longevity of your outboard motor.
The Yamaha Outboard Impeller 646-44352-01 is a replacement part designed for the 2-stroke 2hp Sierra 18-3072 outboard motor. This impeller plays a crucial role in the water cooling system, ensuring efficient engine performance. In this analysis, we will discuss the advantages and disadvantages of purchasing this Yamaha impeller.
Pros:1. Enhanced Cooling Efficiency: The new impeller design offers improved cooling performance, ensuring the engine operates more efficiently and effectively.
2. OEM Quality: This part is a genuine OEM (Original Equipment Manufacturer) Yamaha product, ensuring a perfect fit and optimal engine performance.
3. Reduced Engine Wear: By maintaining proper cooling, the engine experiences less wear and tear, leading to a longer engine life.
4. Easy Installation: The impeller is designed for straightforward installation, saving time and effort for boat owners.
5. Proven Reliability: Yamaha is a reputable brand with a long history of producing reliable marine parts and engines.
Cons:1. Cost: Replacement impellers can be expensive, especially for high-performance engines like the Yamaha 2hp Sierra.
2. Limited Availability: Depending on your location, finding this specific impeller model might be challenging, potentially requiring an online purchase or special order.
3. Potential for Damage: The impeller is a wear-prone part, and it may require frequent replacement due to heavy usage or environmental factors.
4. Environmental Impact: Using a new impeller instead of reconditioning or reusing the old one contributes to the production of waste and increased consumption of resources.
Conclusion:The Yamaha Outboard Impeller 646-44352-01 offers several advantages, including enhanced cooling efficiency, OEM quality, reduced engine wear, and easy installation. However, it also has some disadvantages, such as cost, limited availability, potential for damage, and environmental impact. Ultimately, the decision to purchase this impeller depends on the boat owner's priorities, budget, and availability of alternative options.
Recommendation:If you require optimal engine performance, reliability, and ease of installation, the Yamaha Outboard Impeller 646-44352-01 is an excellent choice. However, considering the cost and environmental impact, you might want to explore other options, such as reusing or reconditioning the old impeller, if feasible. Always consult your engine's service manual for maintenance recommendations and consider seeking professional advice when necessary.
Yamaha Outboard 1988 -2002 year 2hp. For Sierra water pump Impeller replaces Yamaha Outboard 646-44352-01-00 18-3072 this is Aftermarket parts with oem quality. Yamaha Outboard 1984 -1987 year 2hp.
