Description
Product Overview
The KUNOANZ Engine Water Pump Impeller is a high‑quality replacement part designed for small marine engines ranging from 2 to 6 horsepower. Crafted from premium rubber, the impeller provides excellent flexibility and durability, resisting wear even after prolonged exposure to salt water. Each unit matches OEM specifications for Nissan Tohatsu, Mercury, Evinrude Johnson, and other popular brands, ensuring a perfect fit without the need for modifications. Dimensions are compact (6.85 x 4.17 x 0.91 inches) and the weight is only 0.634 ounces, facilitating easy handling during installation.
Usage
This impeller is ideal for boat owners, anglers, and marine service technicians who require reliable engine cooling in both fresh and salt water environments. It fits 2‑stroke and 4‑stroke 1/2‑cylinder engines commonly found in outboard motors, trolling motors, and small inboard applications. Whether you are preparing for a weekend fishing trip or performing routine maintenance, the KUNOANZ impeller ensures optimal water flow to prevent overheating and extend engine life.
Why Choose Us
KUNOANZ stands for original‑level quality and durability. Our impellers are manufactured using a proprietary rubber compound that maintains elasticity after repeated immersion, eliminating the common issue of cracking or deformation. Each product undergoes rigorous testing to meet OEM standards, providing confidence that the part will perform exactly like the original. Additionally, our detailed compatibility guide helps you select the correct model, reducing the risk of purchasing an unsuitable part.
Key Features
- Premium rubber construction for long‑term flexibility and corrosion resistance
- Exact OEM fit for Nissan Tohatsu, Mercury, Evinrude Johnson and more
- Supports engines from 2 HP up to 6 HP, covering a wide range of small marine applications
- Lightweight design (0.634 oz) for easy handling and installation
- Validated by 4.5‑star customer reviews and high ranking in automotive replacement parts
FAQ
What engine models are compatible with this impeller?
The impeller fits 2‑6 HP engines from Nissan Tohatsu, Mercury Mariner, Evinrude Johnson, and other manufacturers that use the listed OEM part numbers such as 47‑16154‑3 and 369‑65021‑1.
How do I verify the correct size for my engine?
Check the engine nameplate for horsepower rating and compare it with the compatible range (2‑6 HP). Refer to the OEM part numbers provided in the product details to ensure an exact match.
Can this impeller be used in salt‑water conditions?
Yes, the high‑grade rubber is formulated to resist salt‑water corrosion, making it suitable for both fresh and marine environments.
Is any special tool required for installation?
Installation typically requires basic hand tools such as a screwdriver and pliers. The lightweight design allows for quick removal and replacement without additional equipment.
What warranty does KUNOANZ offer?
KUNOANZ provides a limited one‑year warranty covering manufacturing defects, ensuring you receive a reliable product backed by our support team.




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