SouthMarine
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SouthMarine Boat Motor Water Pump Impeller 3B7-65021-2 3B7650212 3B7650212M 3B7-65021-0 3B7650211 3B7650210M 3B7650211M 3C7-65021-1 3C7650211 3C7650211M 18-8924 for Tohatsu for Nissan 40HP-140HP
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SouthMarine Boat Motor Water Pump Impeller 3B7-65021-2 3B7650212 3B7650212M 3B7-65021-0 3B7650211 3B7650210M 3B7650211M 3C7-65021-1 3C7650211 3C7650211M 18-8924 for Tohatsu for Nissan 40HP-140HP
Can't just rely on horsepower to judge, please check the dimension with your old one carefully.
SouthMarine Boat Motor Water Pump Impeller 3B7-65021-2 3B7650212 3B7650212M 3B7-65021-0 3B7650211 3B7650210M 3B7650211M 3C7-65021-1 3C7650211 3C7650211M 18-8924 for Tohatsu for Nissan 40HP-140HP
Item #: 39395239

SouthMarine Boat Motor Water Pump Impeller 3B7-65021-2 3B7650212 3B7650212M 3B7-65021-0 3B7650211 3B7650210M 3B7650211M 3C7-65021-1 3C7650211

Item #: 39395239

IMP 22

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Can't just rely on horsepower to judge, please check the dimension with your old one carefully.
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What Stands Out

High Compatibility
Designed to fit a range of Tohatsu and Nissan outboard motors from 40HP to 140HP, ensuring seamless integration and optimal performance for various boat models.
Durable Materials
Crafted from resilient materials to withstand harsh marine environments, providing longevity and dependability even under demanding conditions.
Enhanced Performance
Optimizes water flow and cooling efficiency, which helps prevent overheating and enhances the overall performance of your boat motor.

Product Details

Shop the SouthMarine Boat Motor Water Pump Impeller 3B7-65021-2 3B7650212 3B7650212M 3B7-65021-0 3B7650211 3B7650210M 3B7650211M 3C7-65021-1 3C7650211 3C7650211M 18-8924 for Tohatsu for Nissan 40HP-140HP online in at Ubuy's Isle of Man.
BrandSouthMarine
Item Weight0.25 Pounds (110 grams)
ColorBlack
Engine Type4 Stroke
Recommended Uses For ProductFor Salt Water

Who Should Buy?

Suitable For
  • Boating Enthusiasts

    Ideal for boat owners seeking reliable performance in their Tohatsu or Nissan motors.

  • DIY Mechanics

    Perfect for hands-on users wanting to replace worn-out impellers without professional help.

  • Cost-Conscious Users

    A budget-friendly choice for those looking to maintain their motor's efficiency without high costs.

Not Suitable For
  • High-Powered Motors

    Not suitable for motors exceeding 140HP, as it may not provide adequate performance.

Product Description

SouthMarine Boat Motor Water Pump Impeller 3B7-65021-2 3B7650212 3B7650212M 3B7-65021-0 3B7650211 3B7650210M 3B7650211M 3C7-65021-1 3C7650211 3C7650211M 18-8924 for Tohatsu for Nissan 40HP-140HP

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the SouthMarine Boat Motor Water Pump Impeller?

    Answer: The SouthMarine Boat Motor Water Pump Impeller is designed to circulate water through the cooling system of marine engines, ensuring optimal temperature regulation. A properly functioning impeller helps prevent engine overheating, ultimately contributing to longer engine life. It is particularly crucial for vessels operating in harsh conditions, where cooling is essential for performance and reliability.
  • Question: How do I know if the impeller needs to be replaced?

    Answer: Signs that indicate the impeller may need replacement include decreased water flow from the exhaust, overheating engines, or unusual noises during operation. If you notice any of these symptoms, it's advisable to inspect the impeller for wear or damage. Routine inspections every few months can help catch issues early, ensuring your boat operates smoothly and effectively on the water.
  • Question: What models is the SouthMarine Boat Motor Water Pump Impeller compatible with?

    Answer: The SouthMarine Boat Motor Water Pump Impeller is compatible with several Yamaha outboard models, specifically including part numbers such as 3B7-65021-2, 3B7650212, and others listed. Always check the part number compatibility with your engine model to ensure proper fit and function. Using the correct impeller is key to maintaining water flow and engine cooling.
  • Question: How often should I replace the water pump impeller?

    Answer: Generally, it is recommended to replace the water pump impeller every one to two years, depending on usage frequency and conditions. For those who frequently operate in saltwater or areas with debris, more frequent inspection and replacement may be necessary. Regular maintenance not only helps in preventing engine failure but also enhances overall performance during boating adventures.
  • Question: Can I install the SouthMarine Impeller myself?

    Answer: Yes, the SouthMarine Impeller can be installed by boat owners with basic mechanical skills. The installation process typically involves removing the lower unit of the outboard motor, replacing the old impeller, and reassembling the unit. Detailed guides or video tutorials can provide step-by-step instructions, allowing you to confidently complete the task and maintain your boat efficiently.
  • Question: What materials is the SouthMarine impeller made from?

    Answer: The SouthMarine Boat Motor Water Pump Impeller is usually crafted from durable rubber materials that resist wear and corrosion, making it suitable for marine environments. The design typically includes reinforced fins for effective water movement and longevity. This material choice ensures that the impeller can withstand the tough conditions in which marine engines operate, promoting performance and reliability.
  • Question: Can using a non-OEM impeller affect my engine's performance?

    Answer: Using a non-OEM impeller can potentially impact your engine's performance and cooling efficiency. OEM parts are often specifically engineered to match the specifications of the engine, ensuring optimal operation. While aftermarket alternatives may be cheaper, they might not deliver the same level of performance or reliability, which can lead to overheating or damage. It’s advisable to stick with compatible, high-quality options like the SouthMarine impeller for best results.
  • Question: What should I do if the impeller fails?

    Answer: If the impeller fails, it is crucial to stop the engine immediately to prevent severe damage. Inspect the impeller for visible signs of wear or breakage, and replace it if necessary. After replacement, it is essential to test the cooling system to ensure proper function. Regular maintenance following any failure can help safeguard against future issues and keep your boating experience enjoyable and stress-free.
  • Question: Is the SouthMarine impeller suitable for fresh and saltwater use?

    Answer: Yes, the SouthMarine Boat Motor Water Pump Impeller is designed for use in both fresh and saltwater environments. Its durable materials provide resistance against corrosion and wear, common in marine settings. This dual usability makes it a versatile choice for boaters, regardless of water conditions, ensuring that your engine remains adequately cooled whether on a lake or in the ocean.
  • Question: Where can I buy SouthMarine Boat Motor Water Pump Impeller?

    Answer: You can buy the SouthMarine Boat Motor Water Pump Impeller at Ubuy. They offer a range of marine products, including this specific impeller model, ensuring that you have access to quality replacement parts for your boating needs. Simply visit the Ubuy website and search for the part number to find the right fit for your engine.

SouthMarine Outboard Motors Editorial Review

The SouthMarine Boat Motor Water Pump Impeller is a high-quality replacement product for Tohatsu and Nissan outboard motors. It is easy to install and comes with clear instructions, making it an ideal choice for non-mechanically minded people who prefer to do it themselves. The product delivers fast water flow, resulting in the efficient cooling of the engine. It is also a durable product that ensures the longevity of your outboard motor.

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Pros

  • High-quality replacement product
  • Easy to install with clear instructions
  • Delivers fast water flow
  • Durable and ensures the longevity of the outboard motor

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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IMP 22

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Features & Benefits

  • High-performance impeller compatible with Tohatsu and Nissan engines.
  • Features 6 blades and a durable brass hub for enhanced efficiency.
  • Net weight of 109g, making it lightweight yet effective.
  • Dimensions include a height of 34.80mm and diameter of 64.94mm.
  • Ideal for engine models ranging from 40HP to 140HP.
  • Essential for maintaining optimal boat motor performance.

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