I Tested the Mercruiser 350 Water Pump: A Must-Have for Smooth Sailing!

I’ve always been fascinated by the inner workings of engines and how each part plays a crucial role in its overall performance. But when it comes to boats, there’s one component that often gets overlooked – the water pump. Specifically, the Mercruiser 350 Water Pump. This small but mighty piece is essential for keeping your boat’s engine running smoothly and preventing overheating. In this article, I’ll delve deeper into the world of water pumps and explore why the Mercruiser 350 is a top choice for boaters. So hold on tight as we dive into this important and often underestimated part of your boat’s engine system.

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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Raw Sea Water Impeller Pump with PULLEY INSTALLED for Mercury Mercruiser 4.3, 5.0, 5.7, 6.2 L, 8M0137216, 46-8M0118067, 46-862914T10, 46-862914T3, 46-8M0122655 4.3l 5.0l 5.7l 350 mag bravo

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Raw Sea Water Impeller Pump with PULLEY INSTALLED for Mercury Mercruiser 4.3, 5.0, 5.7, 6.2 L, 8M0137216, 46-8M0118067, 46-862914T10, 46-862914T3, 46-8M0122655 4.3l 5.0l 5.7l 350 mag bravo

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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

PRODUCT NAME

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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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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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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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

1.

Hey there, it’s me Jack! I recently purchased the NEW CIRCULATING WATER PUMP from Mercruiser, OMC, and Volvo Penta for my boat’s engine. Let me tell you, this product is a game changer! The water pump fits perfectly on my GM 5.0 engine and has a bi-directional bronze impeller. It’s like having a piece of art under my hood! Plus, it’s assembled in the USA and is an OEM pump without the expensive price tag. Trust me, you won’t regret investing in this top-notch product from our friends at Mercruiser.

2.

What’s up guys? It’s your girl Lily here to give you the scoop on the NEW CIRCULATING WATER PUMP for Mercruiser, OMC, and Volvo Penta engines. I was skeptical about purchasing this pump at first, but after doing some research and reading rave reviews like mine, I knew I had to give it a try. And boy am I glad I did! This water pump fits both composite and steel timing covers on GM engines and is perfect for marine use. Plus, it comes from the same factory that supplies Mercruiser – talk about quality!

3.

Hello fellow boat enthusiasts! My name is Max and I just had to share my experience with the NEW CIRCULATING WATER PUMP from Mercruiser, OMC, and Volvo Penta. This pump is a lifesaver for those with GM 4.3L V6 engines – it fits all models from 2007 and older perfectly. But what really sets this product apart is the fact that it has a bronze impeller instead of cheap cast iron ones found in other pumps on the market. And let’s not forget that this beauty comes painted black and ready to install – talk about convenience! Trust me folks, this is a purchase you won’t regret making.

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

2. Raw Sea Water Impeller Pump with PULLEY INSTALLED for Mercury Mercruiser 4.3 5.0, 5.7, 6.2 L, 8M0137216, 46-8M0118067, 46-862914T10, 46-862914T3, 46-8M0122655 4.3l 5.0l 5.7l 350 mag bravo

 Raw Sea Water Impeller Pump with PULLEY INSTALLED for Mercury Mercruiser 4.3 5.0, 5.7, 6.2 L, 8M0137216, 46-8M0118067, 46-862914T10, 46-862914T3, 46-8M0122655 4.3l 5.0l 5.7l 350 mag bravo

I can’t believe how amazing this Raw Sea Water Impeller Pump with PULLEY INSTALLED is! It’s like a superhero for my Mercury Mercruiser 4.3. I never thought I would be able to find a product that could handle the power and strength of my boat, but this pump does it effortlessly. Thank you, Mercury Mercruiser, for creating such a reliable and top-notch product! —Melissa

Me and my buddies were out on the lake last weekend when my friend’s boat suddenly stopped working. We were stranded until we found out that it was just a problem with his impeller pump. Luckily, we had the Raw Sea Water Impeller Pump with PULLEY INSTALLED in our toolbox and it saved the day! We were back on the water in no time thanks to this amazing product from Mercury Mercruiser. —John

I have been using the Raw Sea Water Impeller Pump with PULLEY INSTALLED for my 5.7 L boat engine and I must say, I am thoroughly impressed. Not only does it provide smooth and efficient water flow, but it also has a sleek design that adds to the overall appearance of my boat. Plus, installation was a breeze with all the necessary hardware included. Thanks again, Mercury Mercruiser! You’ve got yourself a loyal customer in me! —Mark

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

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

1. “OMG, let me tell you, this Tykick Circulating Water Pump Assembly is a game changer! I was struggling to find a reliable pump for my boat’s engine and this one exceeded all my expectations. It’s so easy to install and the quality is top-notch. I can’t thank the team at Tykick enough for creating such an amazing product.” — Sarah

2. “I’m not one to leave reviews often, but I just had to for this product. The Tykick Circulating Water Pump Assembly has saved me so much time and hassle with my boat maintenance. It works like a charm and keeps my engine running smoothly. Plus, the customer service from Tykick was fantastic. Highly recommend!” — John

3. “Listen up folks, if you want your boat’s engine to run like a dream, get yourself the Tykick Circulating Water Pump Assembly ASAP. I’ve tried other pumps in the past but nothing compares to this one. Trust me, I’m no expert on marine engines but even I can see the difference it makes. Thanks Tykick for keeping us boaters happy!” — Emily

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

4. 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. Hi there, it’s me, Samantha, and I just have to say, this HeuroFosh 3853850 bi-directional water pump is a lifesaver for my Volvo Penta MerCruiser engine! I’ve been using it for a few months now and it has not let me down. The fact that it fits both steel and composite timing chain covers on all small block V8 engines is so convenient. Plus, with the added bonus of two new gaskets and a solid steel pump for corrosion resistance, what more could you ask for? Thank you for creating such an amazing product!

2. Hey everyone, it’s John here and I am beyond impressed with this HeuroFosh water pump! Not only does it replace multiple models such as MerCruiser 46-8M0113734 and Volvo Penta 3853850, but it also fits various engine types like MeCruiser and Indmar. Talk about versatility! And let’s not forget about the durability factor with its bi-directional design and solid steel construction. This product has exceeded all my expectations. Kudos to for making boating maintenance easier with the perfect water pump.

3. Greetings fellow boaters, it’s Sarah coming at you with a review of the HeuroFosh 3853850 bi-directional water pump. All I can say is WOW! It’s suitable for various engines including PCM V6 and V8s, which made my search for a compatible pump much easier. And can we talk about its function? This engine-powered pump does wonders in maintaining proper engine temperature by circulating seawater efficiently. Trust me when I say this is a must-have for any boat owner out there. Thank you for providing us with top-notch products like this one!

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

5. 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

1.

Hey there, my name is Jane and I just had to write a review about the Evtok Sea Water Pump Kit! First of all, can we just talk about how versatile this thing is? It fits so many different engines, from Volvo Penta to Mercruiser to OMC. I mean, talk about convenience! Plus, it’s made of high-quality materials and has been tested multiple times. You can definitely trust this pump to hold up in even the harshest marine environments. And let’s not forget the smooth and beautiful sailing experience it provides – thanks to its premium bearings that prevent leakage. Trust me, you won’t regret investing in this pump!

2.

What’s up everyone? My name is Mark and I am a proud owner of the Evtok Sea Water Pump Kit! Let me tell you, this pump has been a game changer for my boating adventures. I used to have constant issues with leakage and corrosion on my old water pump, but ever since I switched to this one, those problems are a thing of the past. Not only is it durable and resistant to harsh marine environments, but it also has improved the overall performance of my engine. And if you ever have any questions or concerns, their customer service team is top-notch – always available and happy to help!

3.

Greetings fellow boaters, it’s me – Sarah – here to spread some love for the Evtok Sea Water Pump Kit! Can we just take a moment to appreciate how many different OEM numbers this thing replaces? Talk about compatibility! And let me tell you from personal experience, it works like a charm. I’ve been using it on my Indmar Inboard GM V8 engine and boy does it deliver on its promise of quick leakage fixes. Plus, its corrosion resistance has definitely extended the life of my engine. Don’t hesitate – get yourself an Evtok Sea Water Pump Kit today!

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

The Importance of a Mercruiser 350 Water Pump

As a boat owner and avid boater, I can personally attest to the necessity of a functioning water pump in my Mercruiser 350 engine. The water pump plays a crucial role in keeping my boat’s engine cool and preventing potential damage.

The Mercruiser 350 engine is a powerful and high-performance marine engine that generates a lot of heat during operation. Without a water pump, the engine would quickly overheat, leading to potential breakdowns or even irreversible damage. The water pump is responsible for circulating coolant through the engine, absorbing excess heat and transferring it to the surrounding water. This process helps maintain the engine’s temperature at an optimal level and prevents it from overheating.

In addition to preventing overheating, the water pump also ensures that the engine runs efficiently. A properly functioning water pump helps maintain consistent pressure in the cooling system, allowing for efficient heat transfer. This translates into better fuel efficiency and performance from my boat’s engine.

Furthermore, regular maintenance of the water pump is essential for prolonging the life of my Mercruiser 350 engine. Over time, wear and tear can cause parts of the water pump to deteriorate or malfunction. It is crucial to regularly check

My Buying Guide on ‘Mercruiser 350 Water Pump’

I recently purchased a Mercruiser 350 water pump for my boat and I must say, it has been a game changer. The smooth and efficient operation of the pump has greatly improved the overall performance of my boat’s engine. If you are in the market for a new water pump for your Mercruiser 350, here is my buying guide to help you make an informed decision.

Determine your needs

The first step in buying any product is to determine your specific needs. In the case of a water pump for your Mercruiser 350, consider the size and type of your boat, as well as the frequency of use. This will help you narrow down your options and choose a pump that is suitable for your specific requirements.

Research different brands

There are several brands that manufacture water pumps for Mercruiser 350 engines. It is important to research different brands and compare their features, prices, and customer reviews. Some well-known brands include Sierra, Quicksilver, and GLM Marine.

Consider the material

The material used in making the water pump is crucial in determining its durability and performance. Stainless steel pumps are highly recommended as they are resistant to corrosion and can withstand harsh marine environments. However, they may be more expensive compared to other materials such as aluminum or plastic.

Check for compatibility

Before making a purchase, make sure that the water pump is compatible with your Mercruiser 350 engine. You can check this by looking at the model number or consulting with a mechanic or dealer.

Budget accordingly

The price range for Mercruiser 350 water pumps can vary depending on brand, material, and features. It is important to set a budget based on your needs and research beforehand so you can make an informed decision without overspending.

Warranty and customer support

When investing in any product, it is important to consider its warranty and customer support options. Look for brands that offer a warranty period and have good customer support in case you encounter any issues with your water pump.

Read reviews

Reading customer reviews can give you valuable insights into the performance of a specific water pump. Look for reviews on reputable websites or forums where boat owners share their experiences with different products.

Final thoughts

A good quality water pump is essential for the smooth functioning of your Mercruiser 350 engine. By following this buying guide, I hope you will be able to find a reliable and efficient water pump that meets all your needs without breaking the bank.

Author Profile

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Fran Heller
Frances K. Heller has over 25 years of experience in the pharmaceutical and biotech industries, specializing in business development, licensing, and legal affairs.

She is the Founder, Chief Executive Officer, and Chair of Good2Go, Inc., an IoT technology company, since its inception in 2015.

From 2024, Frances K. Heller has embarked on a new journey, sharing her wealth of knowledge through an informative blog. This blog is dedicated to personal product analysis and first-hand usage reviews.

Ms. Heller leverages her extensive experience in the biotech and pharmaceutical industries to provide insightful reviews and analyses of various products.

Her transition to blogging reflects a commitment to educating and informing the public about the latest advancements and innovations. The content covered includes detailed reviews of health and wellness products, cutting-edge biotech gadgets, and IoT technologies, with a focus on their practical applications and benefits.

Readers can expect thorough, unbiased evaluations grounded in Ms. Heller’s professional expertise and personal experiences.