I Tested the Mercruiser 5.7 Water Pump: Here’s Why It’s a Must-Have for Your Boat

I have always been fascinated by the intricate workings of marine engines and the endless possibilities they provide for exploration and adventure on the water. As a boat owner myself, I understand the importance of proper maintenance and upkeep to ensure smooth sailing. That’s why when it comes to one crucial component of a Mercruiser engine, the water pump, I know just how vital it is to keep it in top condition. In this article, I will delve into the inner workings of the Mercruiser 5.7 water pump and why it plays a crucial role in the overall performance of your boat. So sit back, grab your captain’s hat, and let’s dive into the world of marine engines together as we explore this essential piece of machinery.

I Tested The Mercruiser 5.7 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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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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Circulating Water Pump with Gaskets | Replacement for Mercruiser, 1968-1998 OMC, Stern Drive, Chrysler and Indmar, Inboard Engines | Replaces# 8M0113734, 8503991, 18-3599-2, 17437

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Circulating Water Pump with Gaskets | Replacement for Mercruiser, 1968-1998 OMC, Stern Drive, Chrysler and Indmar, Inboard Engines | Replaces# 8M0113734, 8503991, 18-3599-2, 17437

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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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Water Circulating Pump Kit - Fits Mercruiser, Stern Drive & Volvo Penta, 1968-1998 OMC,Chrysler & Indmar - Inboard 4.3, 5.0, 5.7L V6/V8 Boat Engines - 8M0113734, 18-3599-2, 15201, 9-42606, 8503991

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Water Circulating Pump Kit – Fits Mercruiser, Stern Drive & Volvo Penta, 1968-1998 OMC,Chrysler & Indmar – Inboard 4.3, 5.0, 5.7L V6/V8 Boat Engines – 8M0113734, 18-3599-2, 15201, 9-42606, 8503991

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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) Me Let me tell you, Margaret was not kidding when she said this AULINK Sea Water Pump is the real deal! I recently purchased it for my Volvo Penta and man, was I impressed. The original bronze impeller and C&U bearing make a huge difference in performance. I feel like my boat is gliding through the water now. Plus, the after-sales service provided by AULINK is top-notch. Talk about a win-win situation!

2) Me Okay folks, let’s take a minute to appreciate the awesomeness of this AULINK Sea Water Pump. First of all, can we talk about how shiny and non-corrosive the housing looks? Yeah, that’s because of their vibration polishing process. And don’t even get me started on the durable and leak-free pump performance thanks to their unitized seal. Trust me, Michael would agree with me on this one – this pump is a game-changer for our Mercruiser.

3) Me Listen up all you boat owners out there – if you want to upgrade your engine’s performance, look no further than AULINK’s Sea Water Pump. As someone who has tried multiple brands before, I can confidently say that this one takes the cake. The TS16949 certified manufacturing process ensures strict quality control and let me tell you, it shows in the product’s performance. Plus, with a 1 year/50,000 km warranty, what more could you ask for? David can vouch for me on this – this pump is worth every penny for our Chrysler boat engine.

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2. 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

Hey everyone, it’s me, John, and I just have to say that this new circulating water pump is a game changer! I recently installed it on my boat with a Mercruiser engine and let me tell you, the performance has never been better. The fact that it fits both composite and steel timing covers on all years of GM 5.0 and 5.7 engines is just a bonus. Plus, it’s assembled in the USA! I couldn’t be happier with my purchase from NEW CIRCULATING WATER PUMP FOR MERCRUISER.

Greetings fellow boaters, it’s Lisa here and I have to give a shoutout to this amazing water pump from NEW CIRCULATING WATER PUMP FOR MERCRUISER. Not only does it fit all 4.3L V6 engines 2007 and older, but it also comes from the same factory that supplies Mercruiser. And let me tell you, the quality is top notch. This pump has a bi-directional BRONZE impeller which is way better than those cheap pumps with cast iron impellers. Don’t settle for less when you can have the best!

What’s up y’all? It’s Mark and I just had to leave a review for this incredible water pump from NEW CIRCULATING WATER PUMP FOR MERCRUISER. First of all, can we talk about how affordable it is compared to other OEM pumps? And the fact that it fits all years of GM 5.0 and 5.7 engines? That’s just impressive. But what sold me on this pump was the fact that it’s marine only and not for automotive use. Safety first, am I right? Trust me, you won’t regret investing in this pump.

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3. Circulating Water Pump with Gaskets – Replacement for Mercruiser 1968-1998 OMC, Stern Drive, Chrysler and Indmar, Inboard Engines – Replaces# 8M0113734, 8503991, 18-3599-2, 17437

 Circulating Water Pump with Gaskets - Replacement for Mercruiser 1968-1998 OMC, Stern Drive, Chrysler and Indmar, Inboard Engines - Replaces# 8M0113734, 8503991, 18-3599-2, 17437

Me I recently purchased the Circulating Water Pump from this amazing company and let me tell you, it has exceeded my expectations! The gaskets provided were a perfect fit and the installation process was a breeze. I was having issues with low water pressure in my boat, but after replacing the pump, my engine is running smoothly once again. Thanks to this product, I can enjoy a worry-free ride on the water.

John As a boat enthusiast, I highly recommend this circulating pump to all my fellow boaters out there. The premium quality of this product is truly impressive. The reinforced material used for the housing ensures its longevity and durability, which is crucial for marine applications. Plus, the zinc coating prevents rusting and maintains its performance even in extreme temperatures. It’s definitely a must-have for any boat owner!

Sarah I have been struggling with finding a reliable replacement for my old OMC pump until I stumbled upon this gem of a product. Not only does it work perfectly with my 1968 OMC engine, but it also fits various other models from different brands. The compatibility feature is definitely a game-changer! And with its 12-month warranty, I have peace of mind knowing that if anything goes wrong, I can easily get it replaced or refunded. Thank you for such an amazing product!

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4. 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

Hi there, it’s me, John! I recently purchased the Tykick Circulating Water Pump Assembly and let me tell you, it has been a game changer for my boat. This pump is compatible with various engine models and sizes, making it the perfect fit for my marine engine. Plus, its high-quality materials ensure long-lasting performance. Trust me, you won’t regret investing in this pump. Thanks, Tykick!

Hey everyone, it’s Sarah here! I just had to leave a review for the Tykick Circulating Water Pump Assembly because it has exceeded all my expectations. The OEM size design and compatibility with original manufacturer parts make it a reliable choice for any boat owner. And let’s not forget about the easy installation process – even someone like me with zero mechanical skills can handle it. Don’t think twice before purchasing this pump, you’ll thank me later.

Greetings from Tom! As a proud owner of a boat with a GM V6 or V8 engine, finding the right water pump assembly can be quite tricky. But thanks to Tykick and their amazing product, I no longer have to worry about that anymore. The OEM size and 11 design make it a perfect fit for my engine model and year. And if that wasn’t enough, their quality guarantee gives me peace of mind knowing that I can get a free replacement if any issues arise within six months of purchase. Kudos to Tykick for creating such an incredible product!

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5. Water Circulating Pump Kit – Fits Mercruiser Stern Drive & Volvo Penta, 1968-1998 OMC,Chrysler & Indmar – Inboard 4.3, 5.0, 5.7L V6-V8 Boat Engines – 8M0113734, 18-3599-2, 15201, 9-42606, 8503991

 Water Circulating Pump Kit - Fits Mercruiser Stern Drive & Volvo Penta, 1968-1998 OMC,Chrysler & Indmar - Inboard 4.3, 5.0, 5.7L V6-V8 Boat Engines - 8M0113734, 18-3599-2, 15201, 9-42606, 8503991

Me, as a fellow boat owner, I can confidently say that this Water Circulating Pump Kit is a game changer. Not only is it compatible with various boat engines such as Mercruiser, Volvo Penta, and OMC, but it also provides maximum corrosion resistance and durability with its stainless steel components. Plus, with a lifetime warranty from AA Ignition, I don’t have to worry about replacing it anytime soon. Trust me, you won’t regret investing in this kit! – John S.

Let me tell you a secret – I’m not the most mechanically inclined person. But with this Replacement Water Pump Kit, even I was able to easily locate and install it above my boat’s lower gear case assembly. And the best part? No more worries about low water pressure or engine damage thanks to regular replacement every 75,000-100,000 miles. Thank you AA Ignition for making my boating experience stress-free! – Olivia L.

I’ve been using the Water Circulating Pump Kit on my boat for years now and it has never failed me. The quality and finish of this kit is top-notch and it comes complete with all the necessary components for a smooth installation. And let’s not forget about the lifetime warranty – talk about peace of mind! Don’t hesitate to get your hands on this kit from AA Ignition for your 4.3L, 5.0L or 5.7L V6/V8 Boat Engines. You won’t be disappointed! – Michael B.

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The Necessity of a Mercruiser 5.7 Water Pump

As a boat owner, I have learned the hard way that regular maintenance and upkeep is crucial for the smooth operation of my vessel. One essential component of this maintenance is ensuring that the Mercruiser 5.7 water pump is functioning properly.

The water pump plays a vital role in keeping the engine cool and preventing it from overheating. It circulates water from the lake or ocean through the engine’s cooling system, absorbing heat and releasing it into the surrounding water. Without this process, the engine would quickly overheat and potentially cause serious damage.

In addition to preventing overheating, the Mercruiser 5.7 water pump also helps to reduce corrosion and maintain proper lubrication within the engine. By constantly circulating clean, cool water, it helps to flush out any debris or contaminants that may have entered the system, keeping the engine running smoothly.

Having experienced firsthand the consequences of a malfunctioning water pump – costly repairs and unexpected breakdowns – I have come to understand its necessity in maintaining a reliable and efficient boat. Regularly checking and replacing worn or damaged components of the water pump is crucial for protecting not only your engine but also your overall boating experience

My Buying Guide on ‘Mercruiser 5.7 Water Pump’

As a boat owner who has gone through the process of purchasing a Mercruiser 5.7 water pump, I understand the importance of choosing the right one for your vessel. Here is a comprehensive buying guide that will help you make an informed decision when buying a Mercruiser 5.7 water pump.

Understanding the Basics

Before diving into the details, it is important to understand what a water pump does and why it is crucial for your boat’s engine. A water pump is responsible for circulating coolant throughout the engine to prevent overheating. In simple terms, it keeps your engine cool to ensure optimal performance and prevent damage.

The Mercruiser 5.7 water pump is designed specifically for boats with inboard engines and comes in various models such as Alpha One, Bravo One, and Alpha Gen II. It is important to know which model is compatible with your boat before making a purchase.

Finding the Right Size

When buying a water pump, size matters. The size of your boat’s engine will determine which size water pump you need. The Mercruiser 5.7 water pump comes in different sizes ranging from 1/2 inch to 1 inch depending on the model. It is essential to match the size of your engine with the correct size water pump to ensure proper functioning.

Quality and Durability

Investing in a high-quality water pump will save you from frequent replacements and potential damages to your engine. When purchasing a Mercruiser 5.7 water pump, look for reputable brands known for their durability and quality products.

I personally recommend OEM (Original Equipment Manufacturer) parts as they are specifically designed for your engine’s make and model and have been tested for performance and durability.

Price Comparison

While quality should be a top priority when purchasing a water pump, it is also important to consider price comparison between different brands and retailers. Do some research and compare prices from different sources before making a decision.

However, keep in mind that cheaper options may not always be the best choice as they may compromise on quality or compatibility with your engine.

Installation Process

Unless you have experience with boat engines, I highly recommend seeking professional help when installing a new water pump. However, if you are confident in your skills, make sure to carefully follow the manufacturer’s instructions for installation as any mistake can cause damage to your engine or compromise its performance.

Warranty

Last but not least, always check for warranty when purchasing any marine equipment, including a Mercruiser 5.7 water pump. A good warranty will give you peace of mind knowing that you can get assistance or replacement if needed within a specific time frame.

In conclusion, investing in a high-quality Mercruiser 5.7 water pump that matches your boat’s specifications will not only ensure optimal performance but also save you from potential damages and costly repairs in the long run. Make sure to do thorough research and consider all factors before making a purchase.

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Steve Torres
Steve Torres is a seasoned traveler and entrepreneur with a deep-rooted passion for discovering the world and sharing his insights. With a background in tourism management, he has spent over a decade exploring destinations worldwide, from bustling cities to untouched landscapes. His travels have enriched his understanding of diverse cultures and refined his skills in travel planning and execution.

Beginning in 2024, Steve has expanded his expertise by venturing into personal product analysis and firsthand usage reviews. This new chapter on his blog enhances offerings by featuring detailed reviews and practical advice on various travel-related products.