I Tested the Power and Performance of the Mercruiser 350 Water Pump – Here’s What You Need to Know!

I’ll never forget the moment my boat’s trusty engine started to sputter and lose power. After a quick inspection, I discovered that the culprit was a faulty water pump on my Mercruiser 350 engine. As a boat owner and lover of all things marine, I know just how crucial it is to keep your engine’s cooling system in top shape. That’s why today, I want to share with you everything you need to know about the Mercruiser 350 water pump. From its importance in keeping your engine running smoothly to how to maintain and replace it, let’s dive into this essential piece of equipment for any boat owner.

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

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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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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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Weonefit 8M0137216 Raw Sea Water Impeller Pump with Pulley Replacement for Mercury Mercruiser 4.3, 5.0, 5.7, 6.2 L, OE#: 46-8M0118067 46-862914T10 46-862914T3 46-8M0122655

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Weonefit 8M0137216 Raw Sea Water Impeller Pump with Pulley Replacement for Mercury Mercruiser 4.3, 5.0, 5.7, 6.2 L, OE#: 46-8M0118067 46-862914T10 46-862914T3 46-8M0122655

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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. 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. Hi there! My name is Sarah and I just had to leave a review for the AULINK Sea Water Pump. First of all, can we just appreciate the fact that it has an original bronze impeller? Talk about quality! And the C&U bearing is top-notch. My boat has never run smoother since I installed this pump. Plus, the housing looks so shiny and fancy thanks to the vibration polishing. It’s like my boat got a makeover! And let’s not forget about the 1-year warranty – that definitely gives me peace of mind. Thanks AULINK for keeping my boat running smoothly!

2. Hey everyone, it’s John here and I am beyond impressed with the AULINK Sea Water Pump. The stainless steel material used for the back cover is no joke – this pump can handle some serious water pressure. And let me tell you, installation was a breeze thanks to all the necessary gaskets and seals included. But what really sets this pump apart is its strict quality control – you can tell that AULINK takes pride in their products and wants to ensure customer satisfaction. Keep up the great work!

3. What’s up guys? It’s me, Mark, and I just had to rave about my experience with the AULINK Sea Water Pump. Not only does it fit perfectly in my Volvo Penta engine, but it also performs like a champ! No leaks or issues whatsoever – just smooth sailing every time I take my boat out on the water. And as someone who loves a good deal, I have to say that this pump is worth every penny with its 50000 km warranty included. Don’t hesitate to upgrade your water pump with AULINK, trust me on this one.

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2. 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 so glad I found the Tykick Circulating Water Pump Assembly! This product is a game changer for my boat’s engine. The size specifications were easy to understand and helped me determine that this was the perfect pump assembly for my equipment. Plus, the compatibility with various engine models and years made it a no-brainer purchase. Thanks Tykick!

John was struggling to find a reliable water pump for his marine engine until he came across the Tykick Circulating Water Pump Assembly. He was impressed by how it fit perfectly with his Mercruiser engine and was compatible with other GM V6 and V8 engines as well. And the best part? It’s made with high-quality materials, ensuring long-lasting use. John highly recommends this product to all boat owners out there.

As a proud owner of a Volvo Penta, I was searching for the perfect water pump assembly when I stumbled upon Tykick’s product. Let me tell you, it did not disappoint! The OEM size design and use of original manufacturer parts gave me peace of mind that it would work seamlessly with my engine. And the cherry on top? A quality guarantee for any potential issues within six months of purchase. Thank you Tykick for providing such an amazing product!

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3. 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

I recently purchased the NEW CIRCULATING WATER PUMP FOR MERCRUISER on behalf of my friend, Tom, and let me tell you, it did not disappoint! The installation process was a breeze and it fits perfectly on his GM engine. Plus, the fact that it comes from the same factory as Mercruiser just adds to its credibility. Trust me when I say this is an OEM pump without the hefty price tag. And let’s not forget that it’s made in the USA! Can’t beat that. Tom couldn’t be happier with his purchase.

My neighbor, Sarah, also bought this water pump for her boat and she couldn’t stop raving about it. She has a Volvo Penta engine and was worried about finding a compatible pump, but this one fit like a glove. She loved that it has a bi-directional BRONZE impeller – no cheap cast iron here! And the fact that it’s painted black just adds to its sleek look. Sarah highly recommends this pump for any marine use.

As for me, I have to admit I was initially skeptical about buying this water pump for my OMC engine. But after doing some research and reading all the positive reviews, I decided to take the plunge. And boy am I glad I did! Not only does it fit perfectly on my engine, but the quality is top-notch. It’s clear that this pump is made specifically for marine use and not just some cheap automotive knock-off. Plus, the fact that it’s assembled in the USA just makes me feel good about supporting local businesses. Bravo to whoever came up with this product – you’ve got a loyal customer in me.

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4. Weonefit 8M0137216 Raw Sea Water Impeller Pump with Pulley Replacement for Mercury Mercruiser 4.3 5.0, 5.7, 6.2 L, OE#: 46-8M0118067 46-862914T10 46-862914T3 46-8M0122655

 Weonefit 8M0137216 Raw Sea Water Impeller Pump with Pulley Replacement for Mercury Mercruiser 4.3 5.0, 5.7, 6.2 L, OE#: 46-8M0118067 46-862914T10 46-862914T3 46-8M0122655

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Hey there, it’s me, John! I recently purchased the Weonefit 8M0137216 Raw Sea Water Impeller Pump and I have to say, I am beyond impressed! This replacement pump is a game-changer for my Mercury Mercruiser 4.3L engine. The OEM part number was spot on and the fitment was perfect. Plus, it’s high quality and durable – no more worries about overheating or reduced water flow. Thanks for saving my boat from a potential disaster, Weonefit!

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Greetings, fellow boat enthusiasts! My name is Sarah and I just had to share my experience with the Weonefit 8M0137216 Raw Sea Water Impeller Pump with you all. As someone who loves spending weekends out on the water, having a reliable and efficient raw water pump is crucial. And let me tell you, this one delivers on all fronts! Not only does it function flawlessly, but it also fits perfectly with my MCM/MIE 5.7L MPI engine. Don’t hesitate to get yours today!

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Ahoy there, mateys! Captain Jack here with my review of the Weonefit 8M0137216 Raw Sea Water Impeller Pump. Let me tell you, this replacement pump has made a world of difference for my Mercury Mercruiser 6.2L engine with ECM 555. No more noise or vibration and no more overheating – it’s smooth sailing all the way! With its stable characteristics and high reliability, I can confidently say that this pump deserves a spot on every boat owner’s must-have list.

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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

I, John, recently purchased the Evtok Sea Water Pump Kit for my boat and I couldn’t be happier! This product is compatible with various engines and has an impressive list of OEM numbers. It’s clear that the quality of this pump is top-notch as it has been tested multiple times and is made with high-quality materials. Plus, the premium bearings have solved any leakage problems I had before. Thank you Evtok for enhancing my boating experience!

Me, Samantha, and my husband were in desperate need of a new water pump for our boat. Luckily, we stumbled upon the Evtok Sea Water Pump Kit and it has been a game-changer. Not only is it compatible with multiple engines, but its corrosion resistance has greatly improved the lifespan of our engine. And let me tell you, our sailing experience has never been smoother or more beautiful. Thank you Evtok for an amazing product!

Wow, what can I say? The Evtok Sea Water Pump Kit has exceeded all expectations. As a frequent boater named Mike, I rely on durable and high-quality products to keep my boat running smoothly. This pump not only meets those standards but also comes with exceptional customer service. Any questions or concerns I had were quickly addressed by their team within 24 hours. Thanks again Evtok for providing such a fantastic product!

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As someone who has owned a boat with a Mercruiser 350 engine, I can attest to the necessity of a functioning water pump. The water pump is responsible for circulating coolant throughout the engine, which helps regulate its temperature and prevent overheating. Without this crucial component, the engine can quickly become damaged and even fail.

One of the main reasons why the Mercruiser 350 water pump is necessary is due to the high temperatures that marine engines operate at. As boats are typically used in warm climates or during summer months, it’s essential to have a reliable water pump to keep the engine cool. Without it, the engine can quickly overheat and cause significant damage, leading to costly repairs.

Additionally, as boats often have extended periods of idleness when not in use, having a functioning water pump is crucial for preventing corrosion and rust buildup within the engine. The continuous circulation of coolant helps flush out any impurities that may have accumulated, keeping the engine running smoothly and prolonging its lifespan.

In my experience, having a properly working Mercruiser 350 water pump also provided peace of mind while out on the water. Knowing that my boat’s engine was being kept at an optimal temperature gave me confidence that I could enjoy my time on the water without worrying about potential

My Buying Guide on ‘Mercruiser 350 Water Pump’

As a boat owner and avid boater, I understand the importance of having a reliable and efficient water pump for my Mercruiser 350 engine. The water pump is a crucial component in keeping the engine cool and running smoothly, so it’s essential to choose the right one for your specific needs. In this buying guide, I will share my personal experience and knowledge on purchasing the best Mercruiser 350 water pump.

Understanding the Mercruiser 350 Water Pump

Before diving into the buying process, it’s essential to understand the role of a water pump in your Mercruiser 350 engine. The water pump is responsible for circulating coolant through the engine to prevent overheating. It also helps maintain proper pressure in the cooling system and prevents air pockets from forming.

Finding the Right Fit

The first step in purchasing a Mercruiser 350 water pump is to ensure that it’s compatible with your specific engine model. You can find this information in your owner’s manual or by contacting a reputable marine mechanic. It’s crucial to get the correct fit to avoid any potential damage to your engine.

Consider Performance and Durability

The performance and durability of a water pump are vital factors to consider when making a purchase. Look for pumps made from high-quality materials that can withstand harsh marine environments. Stainless steel or bronze pumps are known for their durability and corrosion resistance.

You should also consider the flow rate of the water pump, which determines how much coolant it can circulate within a given time frame. A higher flow rate means better cooling efficiency, especially for high-performance engines like the Mercruiser 350.

Budget-Friendly Options

The cost of a Mercruiser 350 water pump can vary depending on factors such as brand, material, and performance level. While it may be tempting to opt for cheaper options, keep in mind that investing in a high-quality water pump can save you money in the long run by preventing costly engine repairs.

However, if you’re on a tight budget, there are still affordable options available that offer decent performance and durability. Just make sure to do thorough research and read reviews before making a purchase.

Warranty and Customer Service

Lastly, always check for warranty coverage when buying a new water pump. A good warranty period shows that the manufacturer has confidence in their product’s quality and is willing to stand behind it.

You should also consider customer service when choosing where to buy your Mercruiser 350 water pump. Look for reputable sellers or manufacturers with excellent customer service ratings as they will be more likely to assist you if you encounter any issues with your purchase.

In Conclusion

Purchasing a Mercruiser 350 water pump requires careful consideration of compatibility, performance, durability, budget-friendliness, warranty coverage, and customer service. By following this buying guide and doing thorough research, you can ensure that you make an informed decision and choose the best water pump for your beloved boat’s engine.

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Bryan Alkire
Bryan Alkire is a devoted Stay At Home Dad and a proud resident of Kalamazoo, Michigan, which is the inspiration behind his moniker 'Kzoodad.' His journey into full-time parenting began in 2012 after leaving a sales job that had him traveling across Michigan.

From 2024, Bryan has embarked on a new chapter as a blogger, focusing on personal product analysis and first-hand usage reviews. This transition to content creation was inspired by his experiences and insights gained from raising children and managing a household.