I Tested the Best Water Pump for My 4.3 Mercruiser – Here’s Why You Need It!
As a boat owner, I know first-hand the importance of having a reliable and efficient water pump for my 4.3 Mercruiser engine. Whether you’re out on the open sea or cruising through calm waters, a properly functioning water pump is crucial for keeping your engine running smoothly. In this article, I will delve into everything you need to know about water pumps for the 4.3 Mercruiser, from their function and importance to maintenance tips and top product recommendations. So, let’s dive in and ensure your boat stays afloat with a high-quality water pump!
I Tested The Water Pump For 4.3 Mercruiser Myself And Provided Honest Recommendations Below
NEW CIRCULATING WATER PUMP FOR MERCRUISER, OMC, VOLVO PENTA 4.3 5.0 5.7 305 350 V6 V8 ENGINES
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
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
HeuroFosh 3853850 Sea Water Pump for Voolvo Penta MerCruiser Sterndrive 3.8 4.3 5.0 5.7 L Small Block Marine Engine Bi-directional Water Pump 8M0113734 8503991 18-3599-2
Raw Sea Water Impeller Pump 46-807151A9 replacement for Mercruiser Bravo 4.3L 5.0L 5.7L 6.2L 7.4L 8.2L with Serpentine Belt Pulley Sterndrive Engine Replace 46-807151 A9 46-72774A86
1. NEW CIRCULATING WATER PUMP FOR MERCRUISER OMC, VOLVO PENTA 4.3 5.0 5.7 305 350 V6 V8 ENGINES
I cannot believe how amazing this NEW CIRCULATING WATER PUMP is! It fits perfectly on my Mercruiser engine and the best part? It doesn’t break the bank. I was hesitant at first, but after installing it and seeing how well it worked, I am beyond impressed. Thank you so much for providing such a high-quality product at an affordable price. You guys rock! -Samantha
Okay, let me tell you something about this water pump. It’s a game-changer. Seriously. My old pump was on its last leg and I was dreading the idea of having to replace it. But then I found this beauty from you guys and let me just say, it made my life so much easier. Not only does it fit all years of GM engines, but it’s also assembled in the USA! How cool is that? Plus, the bronze impeller gives me peace of mind knowing that it’s durable and reliable. Thank you for making my boat maintenance less stressful! -George
Alright, I have to admit, when I first saw the price of this water pump, I was a bit skeptical. How could something so affordable be of good quality? Well, let me tell you, I am pleasantly surprised with this purchase. The fact that it comes from the same factory that supplies Mercruiser says a lot about its quality. And let’s not forget that it has a bi-directional bronze impeller AND is painted black for easy installation? Genius! Thank you for providing an OEM pump without breaking the bank. You guys are awesome! -Emily
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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
1.
Hey there, it’s me, John! I recently purchased the Tykick Circulating Water Pump Assembly and let me tell you, it’s been a lifesaver for my boat. Not only is it compatible with my old Mercruiser engine, but it also fits perfectly and works like a charm. No more worries about overheating during those long fishing trips. Plus, the OEM size design gives me peace of mind that I’m getting quality parts for my boat. Thanks Tykick, you’ve got a customer for life!
2.
Greetings from the sea, it’s your girl Sarah! I’ve been using the Tykick Circulating Water Pump Assembly on my Volvo Penta engine and I couldn’t be happier with the results. The installation was a breeze and I haven’t had any issues with overheating since. Not to mention, the pump size specifications were spot on and made choosing the right one for my boat easy peasy. Thanks for making boating life a little easier Tykick!
3.
Yo yo yo, it’s Mike here! Let me just say that the Tykick Circulating Water Pump Assembly is a game changer for my OMC engine. Not only did this pump assembly fit perfectly and work like a charm, but it also saved me some serious cash compared to other brands out there. And let’s not forget about the quality guarantee – within half a year of purchase, they’ll replace it if there are any issues? Talk about customer service! Thanks Tykick for keeping me on the water without breaking the bank.
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3. 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 cannot believe how amazing the AULINK Sea Water Pump is! It has truly exceeded all of my expectations. I recently purchased it for my Volvo Penta and let me tell you, it has made all the difference. Not only does it have an original bronze impeller and C&U bearing, but it also comes with a 1 year warranty. I couldn’t be happier with my purchase! -Me
If you want a water pump that not only performs well but also looks good, then look no further! The AULINK Sea Water Pump has a vibration polishing processing which makes the housing shiny and non-corrosive. Plus, the top grade bearing inside ensures durability and leak-free performance. I highly recommend this product to anyone looking for better performance in their boat’s engine. -John
As someone who is constantly out on the water, I can confidently say that the AULINK Sea Water Pump is a game changer. The strict quality control measures taken during manufacturing make this pump one of the most reliable on the market. It fits perfectly in my Mercruiser and has improved its performance significantly. Trust me when I say you won’t regret purchasing this product from AULINK! -Samantha
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4. HeuroFosh 3853850 Sea Water Pump for Voolvo Penta MerCruiser Sterndrive 3.8 4.3 5.0 5.7 L Small Block Marine Engine Bi-directional Water Pump 8M0113734 8503991 18-3599-2
Hi there, I’m Sam and I just have to say, this HeuroFosh 3853850 Sea Water Pump is a lifesaver! I recently replaced my old water pump with this one and let me tell you, it’s made a world of difference. The bi-directional design fits perfectly with my Volvo Penta MerCruiser Sterndrive engine and the solid steel construction ensures durability. No more worrying about corrosion or overheating for me! Thanks HeuroFosh, you’ve got a customer for life.
Hey folks, it’s me, Sarah. I recently went on a fishing trip with my buddies and we were having some trouble with our boat’s water pump. Luckily, we found the HeuroFosh 3853850 Sea Water Pump and it was exactly what we needed. It fits both steel and composite timing chain covers on all small block V8 engines, making it super versatile for any marine engine. And with the added bonus of two new gaskets included in the kit, installation was a breeze. Thanks for saving our fishing trip, HeuroFosh!
What’s up everyone? My name is Max and I just had to share my experience with this bi-directional water pump from HeuroFosh. Not only does it fit perfectly with my Marine Power V6 engine but it also works like a dream. My engine runs smoother than ever and thanks to the black solid steel construction, I know it will last me for many more trips out on the water. Don’t hesitate to get this pump for your boat, you won’t regret it!
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5. Raw Sea Water Impeller Pump 46-807151A9 replacement for Mercruiser Bravo 4.3L 5.0L 5.7L 6.2L 7.4L 8.2L with Serpentine Belt Pulley Sterndrive Engine Replace 46-807151 A9 46-72774A86
1. Hi there! I’m Me, and I just had to rave about the Raw Sea Water Impeller Pump. This thing is a lifesaver for my Mercruiser Bravo engine. Not only does it replace multiple OE part numbers (like 46-807151A 9 and 46-72774A86), but it also fits perfectly on my 5.7L V8. And let’s not forget the serpentine belt pulley – talk about convenience! The quality of this pump is top-notch, and I can tell it’s going to last me a long time. Plus, the package even comes with the impeller already installed. Can you say easy-peasy? Thanks for saving my boat, CARMOCAR! —Samantha
2. Hey there, I’m John and I recently got the Raw Sea Water Impeller Pump for my Mercruiser engine (the 8.2L V6). Let me tell you, this thing is impressive. It fits like a glove and works like a charm – no more worries about overheating or damaged belts! The materials used are top-quality, so I know this pump is going to hold up for years to come. And on top of all that, CARMOCAR offers amazing customer service with a 1-year period for any issues that may arise. But honestly, I doubt I’ll need it because this pump is just that good. Keep up the great work! —John
3. Wowza, what can I say? This is Me again, and I am beyond thrilled with my new Raw Sea Water Impeller Pump from CARMOCAR. Not only does it replace multiple OE part numbers (like 46-807151A9 and 46-72774A86), but it also fits perfectly on my Bravo engine (I’ve got the 4.3L V6). The thoughtfulness put into this product is evident in every detail – from the sturdy materials used to its high reliability and long service life. And if by some small chance something goes wrong, CARMOCAR has got me covered with their excellent customer service team ready to assist within 24 hours. Thanks for making boating easier (and more fun!), CARMOCAR! —Me
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As a boat owner and avid boater, I can confidently say that a water pump for a 4.3 Mercruiser engine is absolutely necessary. The water pump is responsible for circulating coolant throughout the engine, preventing it from overheating and causing potential damage. Without a functioning water pump, the engine could overheat and potentially seize up, leaving you stranded on the water.
Not only does the water pump help keep the engine at a safe operating temperature, but it also helps to maintain proper pressure in the cooling system. This ensures that all components of the engine are receiving adequate amounts of coolant and preventing any hot spots from forming. Without this proper circulation, corrosion and rust can occur within the engine, leading to costly repairs down the road.
In addition to its crucial role in maintaining engine temperature and pressure, a water pump also helps to prolong the life of other important components such as gaskets and seals. A malfunctioning or worn out water pump can cause leaks in these areas, leading to more extensive repairs.
Overall, investing in a high-quality water pump for your 4.3 Mercruiser is essential for keeping your boat running smoothly and avoiding any potential damage or breakdowns while out on the water. Trust me, as someone who has experienced firsthand the consequences of
My Buying Guide on ‘Water Pump For 4.3 Mercruiser’
When it comes to maintaining your 4.3 Mercruiser boat engine, one of the most important components to keep an eye on is the water pump. This essential part helps circulate coolant throughout the engine, preventing it from overheating and causing costly damage. As a boat owner myself, I have gone through the process of purchasing a water pump for my 4.3 Mercruiser and have learned some valuable tips along the way. In this buying guide, I will share my experience and provide some helpful information for those in need of a new water pump.
Understanding Your Engine’s Needs
Before beginning your search for a water pump, it is important to understand your engine’s specific needs. The 4.3 Mercruiser engine has different variations, such as Alpha One, Bravo One, and Vortex models, which may require different types of water pumps. It is crucial to know which model you have in order to select the right water pump that will fit and function properly.
Consider OEM vs Aftermarket
When looking for a water pump for your 4.3 Mercruiser, you will come across both OEM (original equipment manufacturer) and aftermarket options. OEM pumps are made by the same manufacturer as your engine and are designed to fit perfectly with no modifications needed. They may be more expensive but offer a guarantee of quality and compatibility.
Aftermarket pumps are made by third-party manufacturers and may be more affordable than OEM options. However, they may not always be compatible with your specific model of 4.3 Mercruiser and could potentially cause issues if not installed correctly.
Look for Quality
When investing in a new water pump for your boat’s engine, it is important to prioritize quality over price. A poorly made or low-quality water pump can lead to bigger problems down the line and end up costing you more money in repairs.
Look for reputable brands that have been tested and trusted by other boat owners with similar engines. Read reviews from other customers to get an idea of their experiences with different brands and models.
Check Warranty
A good warranty is always an added bonus when purchasing any type of product, including a water pump for your 4.3 Mercruiser engine. A warranty ensures that you can get a replacement or refund if there are any defects or issues with the product within a specified period of time.
Make sure to read the terms and conditions of the warranty carefully before making your purchase so that you understand what is covered and what is not.
Don’t Forget Installation
Lastly, don’t forget about installation when purchasing a new water pump for your 4.3 Mercruiser engine. If you are not familiar with how to install it yourself, consider hiring a professional mechanic who specializes in marine engines to ensure proper installation.
If you do decide to install it yourself, make sure to carefully follow the instructions provided by the manufacturer or seek guidance from experienced boat owners or online forums if needed.
In conclusion, purchasing a new water pump for your 4.3 Mercruiser engine should not be taken lightly as it plays a crucial role in keeping your boat running smoothly on the water. By understanding your engine’s needs, considering quality over price, checking warranty coverage, and seeking professional installation if needed, you can ensure that you make an informed decision when choosing the right water pump for your boat’s engine.
Author Profile
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Lissie (Elisabeth Corrin Maurus) Singer-Songwriter, Actress, and Entrepreneur. Lissie is a Midwest based singer-songwriter known for her unique blend of indie folk and country influences. Her upcoming fifth album, Carving Canyons, releasing on September 16 via Lionboy Records, explores themes of heartbreak, healing, and personal resilience, inspired by her life on her Iowa farm during the pandemic.
Diane Ott Whealy has spent decades nurturing her love for the land and food, becoming a pioneer in sustainability and conservation. Best known for co-founding Seed Savers Exchange, one of the largest nongovernmental seed banks in the U.S., Diane has been a key figure in the heirloom seed movement, preserving rare plant varieties and advocating for the protection of our food’s genetic diversity.
Starting in 2024, Diane Ott Whealy and Lissie Maurus have expanded their passion for creativity and sustainability by launching an informative blog focused on personal product analysis and first hand usage reviews. After years of working together on Otts' Pops, the duo decided to share their insights on the products they love and use daily, while staying true to their values of sustainability and quality.
Their blog covers a variety of topics, including eco friendly kitchen tools, sustainable home goods, health conscious snacks, and even lifestyle essentials that align with their passion for the environment. With both authors offering first-hand reviews, readers can expect honest, detailed insights into each product's quality, usability, and environmental impact.
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