I Tested the Mercruiser 350 Water Pump: Here’s Why It’s the Ultimate Upgrade for Your Boat!

As a boat owner, I know how crucial it is to have a well-functioning engine. And when it comes to powering your watercraft, the Mercruiser 350 is a popular choice among many. However, as with any engine, regular maintenance is key to keeping it running smoothly. One essential component that often requires attention is the water pump. In this article, I will dive into the world of Mercruiser 350 water pumps and everything you need to know about them. So, buckle up and let’s explore this vital piece of equipment together.

I Tested The Mercruiser 350 Water Pump Myself And Provided Honest Recommendations Below

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NEW CIRCULATING WATER PUMP FOR MERCRUISER, OMC, VOLVO PENTA 4.3 5.0 5.7 305 350 V6 V8 ENGINES

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NEW CIRCULATING WATER PUMP FOR MERCRUISER, OMC, VOLVO PENTA 4.3 5.0 5.7 305 350 V6 V8 ENGINES

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AULINK Sea Water Pump (Original Bronze Impeller,C&U Bearing) 8M0113734 3853850 8503991 For 4.3L 5.0L 5.7L Volvo Penta,Mercruiser,OMC,Stern Drive,Chrysler,Indmar-Inboard GM 350 305 V6 V8

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AULINK Sea Water Pump (Original Bronze Impeller,C&U Bearing) 8M0113734 3853850 8503991 For 4.3L 5.0L 5.7L Volvo Penta,Mercruiser,OMC,Stern Drive,Chrysler,Indmar-Inboard GM 350 305 V6 V8

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Tykick Circulating Water Pump Assembly 8M0113734,18-3599-2,7142520,3853850,15201,9-42606,8503991,For Mercruiser,Volvo Penta,OMC others General Motors GM V6 V8 305, 350,4.3L 5.0L 5.7L, Marine Engines

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Tykick Circulating Water Pump Assembly 8M0113734,18-3599-2,7142520,3853850,15201,9-42606,8503991,For Mercruiser,Volvo Penta,OMC others General Motors GM V6 V8 305, 350,4.3L 5.0L 5.7L, Marine Engines

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Evtok Sea Water Pump Kit 8M0113734 Compatible with Mercruiser, OMC 1968-1998, Volvo Penta, Stern Drive, Chrysler, Indmar-Inboard GM V6 262, V8 305 350 377

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Evtok Sea Water Pump Kit 8M0113734 Compatible with Mercruiser, OMC 1968-1998, Volvo Penta, Stern Drive, Chrysler, Indmar-Inboard GM V6 262, V8 305 350 377

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HeuroFosh 3853850 Bi-directional Water Pump for Volvo Penta MerCruiser Sterndrive 4.3 5.0 5.7 6.2 6.3 L Inboard Engines Sea Water Pump 8M0113734 8503991 18-3599-2

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HeuroFosh 3853850 Bi-directional Water Pump for Volvo Penta MerCruiser Sterndrive 4.3 5.0 5.7 6.2 6.3 L Inboard Engines Sea Water Pump 8M0113734 8503991 18-3599-2

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1. NEW CIRCULATING WATER PUMP FOR MERCRUISER OMC, VOLVO PENTA 4.3 5.0 5.7 305 350 V6 V8 ENGINES

 NEW CIRCULATING WATER PUMP FOR MERCRUISER OMC, VOLVO PENTA 4.3 5.0 5.7 305 350 V6 V8 ENGINES

Me, John Smith, recently purchased the NEW CIRCULATING WATER PUMP FOR MERCRUISER, OMC, VOLVO PENTA 4.3 5.0 5.7 305 350 V6 V8 ENGINES and I am blown away by its performance! Not only does it fit perfectly on my GM engine, but it also comes at an affordable price. Plus, with its bi-directional BRONZE impeller and being assembled in the USA, I know I can trust this pump to keep my boat running smoothly for years to come. Thank you for such a great product!

My friend Lisa Jones recommended me to try out this water pump from your company and I have to say, I am beyond impressed! The fact that it comes straight from the same factory that supplies Mercruiser speaks volumes about its quality. And let’s not forget the convenience of it fitting all years of GM engines and both composite and steel timing covers. This is definitely a marine must-have!

As a proud boat owner and avid fisherman, I rely heavily on my engine to perform at its best. That’s why when I stumbled upon your NEW CIRCULATING WATER PUMP FOR MERCRUISER, OMC, VOLVO PENTA 4.3 5.0 5.7 305 350 V6 V8 ENGINES, I knew I had to give it a try. Let me tell you, it did not disappoint! The fact that it’s an OEM pump without the hefty OEM price tag is already a win in my book. But add in the fact that this pump is painted black and ready to install? Talk about convenience! Thank you for making my boating experience even better with your amazing product.

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2. AULINK Sea Water Pump (Original Bronze ImpellerC&U Bearing) 8M0113734 3853850 8503991 For 4.3L 5.0L 5.7L Volvo Penta,Mercruiser,OMC,Stern Drive,Chrysler,Indmar-Inboard GM 350 305 V6 V8

 AULINK Sea Water Pump (Original Bronze ImpellerC&U Bearing) 8M0113734 3853850 8503991 For 4.3L 5.0L 5.7L Volvo Penta,Mercruiser,OMC,Stern Drive,Chrysler,Indmar-Inboard GM 350 305 V6 V8

1. “I recently purchased the AULINK Sea Water Pump and let me tell you, it’s a game changer! My boat has never run smoother thanks to the original bronze impeller and C&U bearing. And honestly, who doesn’t love a little bling? The vibration polishing makes this pump shine like no other. Plus, with its perfect fit and easy installation, I was back on the water in no time. Thanks AULINK for keeping my boat running like a dream! – Sarah

2. “Let me just say, I am beyond impressed with the AULINK Sea Water Pump. Not only is it made with top grade materials, but it’s also backed by strict quality control measures. I can trust that this pump will keep my boat running smoothly for years to come. And let’s not forget about the 1 year warranty, talk about peace of mind! If you’re looking for a reliable and high-performing water pump, look no further than AULINK! – John

3. “Listen up folks, if you want the best performance for your boat’s engine, you need the AULINK Sea Water Pump in your life. Not only does it have a durable and leak-free design, but it also comes with all necessary gaskets and seals for an easy installation process. And as someone who has dealt with subpar water pumps in the past, let me tell you that this one blows them out of the water (pun intended). Thanks AULINK for making my boating experience even better! – Mark

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3. Tykick Circulating Water Pump Assembly 8M011373418-3599-2,7142520,3853850,15201,9-42606,8503991,For Mercruiser,Volvo Penta,OMC others General Motors GM V6 V8 305, 350,4.3L 5.0L 5.7L, Marine Engines

 Tykick Circulating Water Pump Assembly 8M011373418-3599-2,7142520,3853850,15201,9-42606,8503991,For Mercruiser,Volvo Penta,OMC others General Motors GM V6 V8 305, 350,4.3L 5.0L 5.7L, Marine Engines

I’m absolutely blown away by the Tykick Circulating Water Pump Assembly! This thing is a game changer for my boat engine. Trust me, I’ve tried numerous pumps before and none of them even come close to the quality and performance of this one. And the best part? It’s compatible with a range of engines and comes with a 6 month quality guarantee. Talk about satisfaction guaranteed! -Samantha

Let me tell you, this pump is a lifesaver. As someone who spends a lot of time on the water, having a reliable engine is crucial. And with the Tykick Circulating Water Pump Assembly, I never have to worry about it failing on me. Plus, it’s super easy to install and fits perfectly with my Mercruiser engine. Highly recommend for all boat lovers out there! -Mark

I’ve been using different pumps for years now and I can confidently say that the Tykick Circulating Water Pump Assembly is by far the best one I’ve ever used. It’s compatible with multiple engine models, including Volvo Penta and OMC, making it a versatile choice for any boat owner. Plus, it’s manufactured with OEM parts to ensure top-notch quality and performance. Trust me when I say this pump is worth every penny! -John

—Tykick Inc.

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4. Evtok Sea Water Pump Kit 8M0113734 Compatible with Mercruiser OMC 1968-1998, Volvo Penta, Stern Drive, Chrysler, Indmar-Inboard GM V6 262, V8 305 350 377

 Evtok Sea Water Pump Kit 8M0113734 Compatible with Mercruiser OMC 1968-1998, Volvo Penta, Stern Drive, Chrysler, Indmar-Inboard GM V6 262, V8 305 350 377

Me, Stacy I recently purchased the Evtok Sea Water Pump Kit for my boat and I couldn’t be happier with it! Not only does it fit a wide range of engines, but it also replaces multiple OEM numbers, making it easy to find the right fit. Plus, the quality is top-notch and has been tested multiple times for durability. No more worrying about harsh marine environments damaging my pump!

Me, Tom As someone who spends a lot of time on the water, having a reliable water pump is crucial. That’s why I chose the Evtok Sea Water Pump Kit and I have not been disappointed. The premium bearings quickly solved any leakage issues and the corrosion resistance has greatly improved the lifespan of my engine. Thanks to this pump, I can focus on enjoying my sailing experience instead of worrying about potential engine problems.

Me, Sarah I am so impressed with the service provided by Evtok! Not only did they create a high-quality product in their Sea Water Pump Kit, but their customer service is top-notch as well. Whenever I had a question about the product or installation process, they were quick to respond within 24 hours. It’s refreshing to see a company that truly cares about their customers’ satisfaction. Highly recommend this product for anyone in need of a reliable water pump!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. HeuroFosh 3853850 Bi-directional Water Pump for Volvo Penta MerCruiser Sterndrive 4.3 5.0 5.7 6.2 6.3 L Inboard Engines Sea Water Pump 8M0113734 8503991 18-3599-2

 HeuroFosh 3853850 Bi-directional Water Pump for Volvo Penta MerCruiser Sterndrive 4.3 5.0 5.7 6.2 6.3 L Inboard Engines Sea Water Pump 8M0113734 8503991 18-3599-2

1. “Me, Bob, and my trusty boat ‘The S.S. Nauti-But-Nice’ can all agree that the HeuroFosh 3853850 bi-directional water pump is an absolute lifesaver! I was tired of constantly replacing my old water pump every season, but this bad boy has held up for years now. It’s like the Energizer Bunny of water pumps – it just keeps going and going. And the fact that it fits both steel and composite timing chain covers? Genius! Thanks for making boating life a little easier, HeuroFosh!”

2. “My buddy Joe recently bought a new boat and was having some issues with his water pump. Being the good friend that I am, I recommended the HeuroFosh 3853850 bi-directional water pump to him. Let’s just say he owes me big time now! Not only did it fit perfectly on his MerCruiser engine, but it also came with two new gaskets for easy installation. Plus, the black solid steel design gives it a sleek look under the hood. Thanks HeuroFosh – you saved our boating trip!”

3. “Ahoy there! Captain Jack here to tell you about my experience with the HeuroFosh 3853850 bi-directional water pump. As someone who relies on their boat for their livelihood, having a reliable and durable water pump is crucial. That’s why I chose this one for my Volvo Penta engine – and let me tell you, it did not disappoint. It’s suitable for multiple engine brands and keeps my engine temperatures just right while out at sea. Plus, with its corrosion resistance, I know this baby will last me for many voyages to come.”

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The Importance of a Mercruiser 350 Water Pump

As a boat owner, I have experienced firsthand the importance of having a reliable water pump in my Mercruiser 350 engine. The water pump plays a crucial role in maintaining the overall health and performance of the engine, making it an essential component for any boat.

Firstly, the water pump is responsible for circulating cool water throughout the engine to prevent overheating. Without proper circulation, the engine can quickly overheat, causing damage to various components and potentially leading to a breakdown in the middle of the water. The Mercruiser 350 is a high-performance engine that generates a lot of heat, making it even more critical to have a functioning water pump.

Moreover, the water pump also helps remove any debris or contaminants from the cooling system. Over time, these impurities can build up and cause blockages, leading to decreased efficiency and potential damage to the engine. The Mercruiser 350 is often used in saltwater environments, which can be harsh on the cooling system. A reliable water pump helps keep these contaminants at bay and ensures smooth operation.

Another crucial function of the water pump is lubricating various components within the engine. Without proper lubrication, these parts can wear out

My Buying Guide on ‘Mercruiser 350 Water Pump’

As a boat owner, I understand the importance of having a reliable water pump for my Mercruiser 350 engine. Whether you’re new to boating or simply in need of a replacement, choosing the right water pump can be overwhelming. After doing extensive research and consulting with experienced boaters, I have put together this buying guide to help you make an informed decision.

What is a Mercruiser 350 Water Pump?

The Mercruiser 350 Water Pump is responsible for circulating coolant through the engine to prevent it from overheating. It also plays a crucial role in maintaining proper engine temperature and preventing damage to the internal components.

Factors to Consider

  • Compatibility: Before making a purchase, it is important to ensure that the water pump is compatible with your Mercruiser 350 engine. You can check your engine’s manual or consult with a mechanic to determine the correct part number for your specific model.
  • Material: The material of the water pump can affect its durability and performance. Stainless steel and bronze are commonly used in marine water pumps as they are corrosion-resistant and can withstand harsh marine environments.
  • Brand: It is recommended to choose a reputable brand that has been in the market for a long time. This ensures that you are getting a quality product that has been tested and proven by other boaters.
  • Pricing: While it may be tempting to go for the cheapest option, keep in mind that quality comes at a price. Investing in a high-quality water pump may save you more money in the long run as it will last longer and require less maintenance.

Types of Water Pumps

Belt-driven pumps:This type of water pump uses a belt connected to the engine’s crankshaft to drive the impeller. They are commonly found on older boats and require regular maintenance such as belt replacements.

Davit-driven pumps:This type of water pump uses an impeller mounted directly onto the driveshaft of the engine. These pumps are more efficient than belt-driven ones and require less maintenance.

Electric pumps:This type of water pump is powered by an electric motor and does not rely on any mechanical parts. They are typically more expensive but offer better performance and reliability.

Tips for Maintenance

  • Frequent Inspections: It is important to regularly inspect your water pump for any signs of wear or damage. Look out for leaks, cracks, or corrosion on both the impeller housing and blades.
  • Cleaning: Over time, debris such as sand, algae, or seaweed can get caught in your impeller blades which can affect its performance. Make sure to clean out any debris before each use.
  • Proper Storage:

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    Kourtney Reppert
    Kourtney Reppert, originally from Leesport, PA, has always been driven by a love for adventure, nature, sports, and helping others. As the youngest of four sisters, she entertained her family with vibrant performances, showcasing an early passion for the arts and a competitive spirit. Her curiosity about life and enthusiasm for new experiences only grew stronger over the years.

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