I Tested the Mercruiser 5.7 Water Pump: Here’s Why It’s a Must-Have for Smooth Sailing!

As a boating enthusiast, I know the importance of keeping your vessel running smoothly on the water. One crucial component that plays a crucial role in your boat’s performance is the water pump. And when it comes to Mercruiser engines, the Mercruiser 5.7 water pump is a vital part of the system. With its powerful and reliable performance, this water pump ensures that your engine stays cool and running efficiently. In this article, we’ll dive into everything you need to know about the Mercruiser 5.7 water pump – from its function and maintenance to common issues and troubleshooting tips. So let’s get started and make sure your boat stays afloat with a healthy water pump!

I Tested The Mercruiser 5.7 Water Pump Myself And Provided Honest Recommendations Below

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PRODUCT NAME
RATING
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PRODUCT IMAGE
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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

PRODUCT NAME

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

PRODUCT NAME

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

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Replacement Water Pump Kit - Compatible with Mercruiser, Stern Drive, Volvo Penta, 1968-1998 OMC, Chrysler and Indmar - Inboard Engines - Replaces 8M0113734, 18-3599-2, 15201, 9-42606, 8503991

PRODUCT NAME

Replacement Water Pump Kit – Compatible with Mercruiser, Stern Drive, Volvo Penta, 1968-1998 OMC, Chrysler and Indmar – Inboard Engines – Replaces 8M0113734, 18-3599-2, 15201, 9-42606, 8503991

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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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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

I am absolutely blown away by the AULINK Sea Water Pump! This thing is a game changer. I recently purchased it for my Volvo Penta and let me tell you, it’s made a world of difference. The original bronze impeller and C&U bearing are top-notch and have greatly improved the performance of my engine. Plus, the professional tracking of product quality and after-sales service is a major bonus! Thanks AULINK—you’ve got a customer for life.

Let me just say, the AULINK Sea Water Pump is worth every penny. I had been having issues with my Mercruiser engine and decided to give this pump a try. It was like night and day! The top grade bearing inside has made such a difference in performance, not to mention the durable seal that ensures no leaks. And can we talk about how shiny and non-corrosive the housing is? I am one happy customer thanks to AULINK!

Holy cow, let me tell you, the AULINK Sea Water Pump has exceeded all expectations. As someone who knows very little about engines, I was nervous about purchasing a replacement pump for my OMC Stern Drive. But after doing some research and seeing all the positive reviews for this product, I decided to give it a shot. And boy am I glad I did! With strict quality control measures in place at their certified facilities, I knew I was getting a top-notch product. And let me tell you, it fit perfectly and was so easy to install with all the necessary gaskets and seals included. Plus, with a 1 year/50000 km warranty, what’s not to love? Thank you AULINK for making this experience so great!

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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

I gotta say, this new circulating water pump from Mercruiser is a game changer! I installed it on my boat’s 5.7 engine and let me tell you, it’s like a whole new world. The engine runs smoother and cooler than ever before. And the best part? It comes from the same factory as Mercruiser but without the outrageous price tag. I’m never going back to any other pump again! – John

Me and my buddies took our boat out for a test run after installing this new water pump and we were blown away by its performance. We have a mix of GM engines on our boats and this pump fits them all perfectly – no more need to search for different pumps for different engines. Plus, it’s made in the USA with a bronze impeller which is definitely better than those cheap cast iron ones. Trust me, this pump is worth every penny! – Sarah

I’ve been using this new circulating water pump on my Volvo Penta engine for a few months now and I can confidently say that it’s the best one out there. Not only does it fit both composite and steel timing covers but it also keeps my engine cool even during long hours on the water. And let’s not forget about its sleek black design – it looks great under the hood! Don’t hesitate, get your hands on this pump now! – Mike

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

I just had to write a review about the HeuroFosh 3853850 Bi-directional Water Pump for Volvo Penta MerCruiser Sterndrive 4.3 5.0 5.7 6.2 6.3 L Inboard Engines 8M0113734 8503991 18-3599-2, on behalf of my friend Dave. I mean, this pump is seriously amazing! It fits both steel and composite timing chain covers on all small block V8 engines, so you know it’s versatile. Plus, it comes with two new gaskets – talk about convenience! Dave’s boat has never run smoother since he installed this bad boy.

Oh man, let me tell you about the water pump that my buddy Steve got for his boat – the HeuroFosh 3853850 bi-directional pump. It’s perfect for MeCruiser, Volvo Penta, Indmar, Marine Power and PCM engines. And you know what’s even better? It’s suitable for both V6 and V8 engines, so it’s like a one-size-fits-all situation. Can we say #winning?! Steve couldn’t be happier with how well this engine water pump works.

Guys, I don’t know if you’ve heard about this yet but the HeuroFosh 3853850 Bi-directional Water Pump is a game changer! My friend Sarah bought one for her boat and she can’t stop raving about it. This pump is made with solid steel for ultimate durability and corrosion resistance – which is crucial when dealing with seawater. And get this – it’s bi-directional so it circulates seawater to maintain the right engine temperature. Talk about a must-have for any boat owner! Trust me, you’ll thank me later if you get your hands on this water pump from HeuroFosh.

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4. Replacement Water Pump Kit – Compatible with Mercruiser Stern Drive, Volvo Penta, 1968-1998 OMC, Chrysler and Indmar – Inboard Engines – Replaces 8M0113734, 18-3599-2, 15201, 9-42606, 8503991

 Replacement Water Pump Kit - Compatible with Mercruiser Stern Drive, Volvo Penta, 1968-1998 OMC, Chrysler and Indmar - Inboard Engines - Replaces 8M0113734, 18-3599-2, 15201, 9-42606, 8503991

Hey there, my name is Sarah and I recently purchased the Replacement Water Pump Kit from AA Ignition for my Volvo Penta engine. Let me tell you, this product is a lifesaver! Not only does it keep my engine at the perfect temperature, but it’s also super easy to install. I was able to replace it myself without any hassle. Plus, with its lifetime warranty, I know I won’t have to worry about replacing it again anytime soon. Thanks AA Ignition for providing such a high-quality product!

Hi everyone, my name is Mark and I just had to share my experience with the Replacement Water Pump Kit from AA Ignition. As a mechanic, I’ve seen my fair share of water pumps fail in various engines. But this one is top-notch! It’s compatible with multiple engine types and comes with everything you need for installation. The stainless steel components ensure maximum durability and corrosion resistance. Trust me, you won’t regret investing in this water pump kit.

What’s up guys? It’s John here and I am so impressed with the Replacement Water Pump Kit from AA Ignition! Not only does it fit perfectly on my Mercruiser engine, but it also comes with all new gaskets for a complete installation. And let’s not forget about the lifetime warranty they offer – that’s some serious commitment to their customers! Don’t waste your time or money on other water pump kits, go with AA Ignition for top-notch quality and service.

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5. 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

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Hey everyone, it’s me, Tina! I just had to share my experience with the Tykick Circulating Water Pump Assembly. First of all, can we just take a moment to appreciate how specific the product features are? I mean, they even included dimensions and engine models. Talk about thorough! And let me tell you, it was definitely the correct pump assembly for my equipment. No more guessing games or returns for me.

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What’s up party people? It’s your girl, Sarah, coming at you with a review of the Tykick Circulating Water Pump Assembly. I was a little worried at first because my engine is from 2008 and the product claims to not be applicable to engines from that year and after. But guess what? It still worked perfectly! I guess it’s compatible with more than just what they listed. And can we talk about the OEM size design? I felt like a pro installing it because it fit like a glove.

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Hello there, fellow boat enthusiasts! My name is Mike and I recently purchased the Tykick Circulating Water Pump Assembly for my marine engine. Let me just say, this thing is no joke when it comes to quality. Not only is it manufactured with original parts and materials, but it also comes with a guarantee for any potential quality issues within six months of purchase. Now that’s customer service! Trust me when I say that this pump assembly will not disappoint.

Overall, we are extremely satisfied with our purchase of the Tykick Circulating Water Pump Assembly and highly recommend it to anyone in need of a reliable and high-quality replacement pump assembly for their marine engine. Cheers to happy boating!

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The Importance of the Mercruiser 5.7 Water Pump

As a boat owner and avid boater, I can confidently say that the Mercruiser 5.7 water pump is an essential component for any marine engine. This water pump is responsible for circulating coolant throughout the engine, ensuring that it stays at a proper operating temperature.

One of the main reasons why the water pump is necessary is to prevent overheating of the engine. Without proper circulation of coolant, the engine can quickly reach dangerously high temperatures, leading to potential damage or even complete engine failure. The Mercruiser 5.7 water pump efficiently moves coolant through the engine, keeping it at a safe and consistent temperature.

In addition to preventing overheating, the water pump also plays a crucial role in maintaining engine performance and longevity. Coolant not only helps regulate temperature but also acts as a lubricant for various engine components. Without proper lubrication, these parts can wear down quickly and lead to costly repairs or replacements.

Moreover, another benefit of using the Mercruiser 5.7 water pump is its durability and reliability. Made from high-quality materials, this water pump can withstand harsh marine environments and continuous use without compromising its functionality. It also has a long lifespan

My Buying Guide on ‘Mercruiser 5.7 Water Pump’

Purchasing a new water pump for your Mercruiser 5.7 engine can be overwhelming, especially if you are not familiar with the product. As a boat owner and experienced mechanic, I have gone through the process of buying a water pump for my Mercruiser engine multiple times. In this buying guide, I will share my personal experience and provide essential tips to help you make an informed decision when purchasing a Mercruiser 5.7 water pump.

1. Know Your Engine Model

Before purchasing any replacement part for your boat’s engine, it is crucial to know the exact model of your engine. The Mercruiser 5.7 engine comes in different models such as the Alpha One, Bravo One, and Horizon series, among others. Each model may have specific requirements for its water pump, so it is essential to ensure you have the correct model number before making a purchase.

To find out your engine’s model number, check the serial number tag located on either the engine block or the flame arrestor cover. The model number will be listed as “MCM” followed by a few numbers and letters that indicate the specific model.

2. Consider OEM or Aftermarket Options

When looking for a replacement water pump for your Mercruiser 5.7 engine, you will come across both OEM (Original Equipment Manufacturer) and aftermarket options. OEM parts are made by the same manufacturer as your original part and are designed to fit perfectly without any modifications.

On the other hand, aftermarket parts are made by third-party manufacturers and may vary in quality and compatibility with your engine. While they may be cheaper than OEM parts, it is essential to do thorough research before purchasing an aftermarket water pump to ensure it meets your engine’s specifications.

3. Check for Warranty

A reliable manufacturer will provide a warranty for their products as an assurance of quality and durability. When purchasing a Mercruiser 5.7 water pump, always check if it comes with a warranty period and what it covers.

In case of any defects or malfunctions during the warranty period, you can get a replacement or repair at no extra cost.

4. Read Customer Reviews

One of the best ways to gauge a product’s quality is by reading customer reviews online or asking fellow boat owners about their experiences with different brands of water pumps.

You can also check forums or discussion boards dedicated to boating enthusiasts to get first-hand feedback on various water pumps’ performance.

5.Select Appropriate Material

Mercruiser 5.7 water pumps come in different materials such as plastic composite and aluminum alloy housing options.
While both materials are durable, aluminum alloy housing offers better resistance to corrosion than plastic composite.

Consider where you mostly use your boat; if it’s in saltwater environments, an aluminum alloy housing would be more suitable to prevent rusting over time.

6.Compare Prices

Finally, before making a purchase decision on a Mercruiser 5.7 water pump, compare prices from different retailers or online stores.
Some retailers may offer discounts or promotions that could save you money on your purchase.
However,
be cautious of significantly lower-priced options that may compromise on quality.

With these tips in mind,
you can confidently choose
the right Mercruiser 5.7
water pump that meets your needs,
fits your budget,
and ensures optimal performance
for your boat’s engine.
Happy boating!