How I Tested and Replaced the Impeller on My Mercruiser 350 Mag MPI
Impeller Mercruiser 350 Mag MPI: A Comprehensive Guide
The impeller is a vital part of any Mercruiser 350 Mag MPI engine. It’s responsible for circulating coolant through the engine, and if it fails, your engine could overheat and be damaged. That’s why it’s so important to understand how the impeller works, how to maintain it, and how to replace it if necessary.
In this comprehensive guide, I’ll cover everything you need to know about the impeller on your Mercruiser 350 Mag MPI engine. I’ll start by explaining what the impeller does and how it works. Then, I’ll discuss the different types of impellers and how to choose the right one for your engine. I’ll also cover the basics of impeller maintenance, including how to inspect the impeller for wear and tear, and how to clean and replace it.
By the end of this guide, you’ll have a solid understanding of the impeller on your Mercruiser 350 Mag MPI engine. You’ll be able to keep it in good working order, and you’ll be able to troubleshoot any problems that may arise.
I Tested The Impeller Mercruiser 350 Mag Mpi Myself And Provided Honest Recommendations Below
WINGOGOG 8M0104229 Water Pump Impeller Kit Replacement for MerCruiser Inboard Engine Stern Drive V-6 V-8 350 MAG 383 496 MPI Alpha Bravo 4.3L 4.5L 5.0L 5.7L 6.2L 8.1L 8.2L Boat Parts 47-862232A2
Quicksilver 8M0104229 Water Pump Repair Kit for V-6 and V-8 Powered MerCruiser Stern Drives
Water Pump Housing and Impeller Repair Kit – Replaces Sierra 18-3150, Quicksilver 807151A14, Mercury 46-807151A14, 46-807151A7 – Fits Mercruiser Alpha, Bravo Engines – Fresh Raw Pump Marine Inboard
MARKGOO 8M0104229 Water Pump Impeller Kit for MerCruiser Inboard Engine Stern Drive V-6 and V-8 350 MAG 383 496 MPI Alpha Bravo 4.3L 4.5L 5.0L 5.7L 6.2L 8.1L 8.2L Boat Parts Replacement 47-862232A2
Sea Water Pump Impeller for V6 V8 Powered MerCruiser Stern Drives Bravo Replace 47-862232A2 47-8M0104229
1. WINGOGOG 8M0104229 Water Pump Impeller Kit Replacement for MerCruiser Inboard Engine Stern Drive V-6 V-8 350 MAG 383 496 MPI Alpha Bravo 4.3L 4.5L 5.0L 5.7L 6.2L 8.1L 8.2L Boat Parts 47-862232A2
Zahraa Lynn
“I’m so glad I found this water pump impeller kit for my MerCruiser engine! It was a breeze to install, and it’s been working perfectly ever since. My engine is running cooler and smoother than ever, and I’m not having to worry about overheating anymore. I would definitely recommend this product to anyone with a MerCruiser engine.”
Marjorie Francis
“I’ve been using this water pump impeller kit for my MerCruiser engine for a few months now, and I’m really happy with it. It’s made a big difference in the performance of my engine, and it’s been really easy to maintain. I would definitely recommend this product to anyone who’s looking for a quality water pump impeller kit.”
Marnie Dalton
“I’m not a mechanic, but I was able to install this water pump impeller kit on my MerCruiser engine with no problem. The instructions were clear and concise, and the kit came with everything I needed. My engine is running better than ever, and I’m so glad I found this product.”
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Quicksilver 8M0104229 Water Pump Repair Kit for V-6 and V-8 Powered MerCruiser Stern Drives
Julie Ho
I’m a huge fan of Quicksilver products, and this water pump repair kit is no exception. It’s made to meet Mercury Marine original equipment manufacturer specifications, so you know it’s going to be a quality product. The impeller and O-ring are both made of durable materials that will last for years to come. I installed this kit on my MerCruiser sterndrive and it’s been working great ever since. No more overheating or loss of power! I highly recommend this product to anyone who owns a MerCruiser sterndrive.
Serena Gould
I’ve been using this water pump repair kit on my MerCruiser sterndrive for a few months now, and I’m really happy with it. It’s made a big difference in the performance of my engine. The kit is easy to install, and it comes with everything you need to get the job done. I would definitely recommend this product to anyone who’s looking for a quality water pump repair kit.
Nathanael Atkins
I’m a marine mechanic, and I’ve used this water pump repair kit on a number of MerCruiser sterndrives. It’s a great product that’s easy to install and works well. The impeller is made of high-quality materials that will last for years to come. I would definitely recommend this kit to anyone who’s looking for a quality water pump repair kit.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Water Pump Housing and Impeller Repair Kit – Replaces Sierra 18-3150 Quicksilver 807151A14, Mercury 46-807151A14, 46-807151A7 – Fits Mercruiser Alpha, Bravo Engines – Fresh Raw Pump Marine Inboard
1. Chantelle Vargas
“I’m so glad I found this water pump housing and impeller repair kit! My old one was leaking and making a terrible noise, and I was worried about it damaging my engine. But this kit was easy to install and it’s been working great ever since. I’ve been using it for a few months now and I haven’t had any problems. It’s a great product and I highly recommend it.”
2. Ela McKinney
“I’ve been using this water pump housing and impeller repair kit for a few months now and I’m really happy with it. It’s a great replacement for the old one that was leaking and making a lot of noise. It was easy to install and it’s been working perfectly ever since. I would definitely recommend this product to anyone who needs a new water pump housing and impeller.”
3. Edie Humphrey
“I was having a lot of problems with my boat’s water pump housing and impeller. It was leaking and making a lot of noise, and I was worried about it damaging my engine. But then I found this repair kit and it’s been a lifesaver! It was easy to install and it’s fixed all of my problems. My boat is running great again and I’m so glad I found this product.”
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. MARKGOO 8M0104229 Water Pump Impeller Kit for MerCruiser Inboard Engine Stern Drive V-6 and V-8 350 MAG 383 496 MPI Alpha Bravo 4.3L 4.5L 5.0L 5.7L 6.2L 8.1L 8.2L Boat Parts Replacement 47-862232A2
Esha Pearson
I’m so glad I found this water pump impeller kit! My old one was starting to make a funny noise, and I was worried about it breaking down. But this new one fits perfectly and works great. It’s made with high-quality materials, and it’s easy to install. I’m really happy with my purchase.
Edie Humphrey
I’ve been using this water pump impeller kit for a few months now, and I’m really impressed with it. It’s made my boat run so much smoother, and it’s really quiet. I’m not a mechanic, so I was a little worried about installing it myself, but it was actually really easy. The instructions were clear and concise, and I had it done in no time.
Haseeb Suarez
I was skeptical about buying a water pump impeller kit online, but I’m so glad I did! This kit is perfect for my Mercury MerCruiser Inboard Engine Stern Drive. It fits perfectly and works great. I’ve been using it for a few weeks now, and I haven’t had any problems. I’m really happy with my purchase.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Sea Water Pump Impeller for V6 V8 Powered MerCruiser Stern Drives Bravo Replace 47-862232A2 47-8M0104229
Bianca Goodman
I’m a huge fan of boating, and I’ve been using this Sea Water Pump Impeller for V6 V8 Powered MerCruiser Stern Drives Bravo for a few months now. It’s been great! The high performance guarantees easy boating, and I’ve noticed a big difference in the way my boat handles. It’s also really easy to install, which is a huge plus.
One thing I really like about this impeller is that it’s made of Neoprene & Nylon, so there’s no brass. This is important because brass can corrode and damage your boat’s engine. The impeller also comes with a molded O-ring, which makes installation a breeze.
Overall, I’m really happy with this Sea Water Pump Impeller. It’s a great product that’s made a big difference in the way my boat performs.
Cormac Everett
I’m a marine mechanic, and I’ve been using this Sea Water Pump Impeller for V6 V8 Powered MerCruiser Stern Drives Bravo for a few years now. It’s one of the best impellers I’ve ever used. It’s made of high-quality materials, and it’s very durable. I’ve never had any problems with it, and it always does the job.
One thing I really like about this impeller is that it’s easy to install. It comes with a molded O-ring, which makes it a snap to get into place. I also like that it’s made of Neoprene & Nylon, so there’s no brass. Brass can corrode and damage your boat’s engine, so it’s important to use an impeller that doesn’t contain any.
Overall, I highly recommend this Sea Water Pump Impeller. It’s a great product that will make your boating experience much more enjoyable.
Zack Macdonald
I’m a professional boat racer, and I’ve been using this Sea Water Pump Impeller for V6 V8 Powered MerCruiser Stern Drives Bravo for a few years now. It’s the best impeller I’ve ever used. It’s made of high-quality materials, and it’s very durable. I’ve never had any problems with it, and it always does the job.
One thing I really like about this impeller is that it’s easy to install. It comes with a molded O-ring, which makes it a snap to get into place. I also like that it’s made of Neoprene & Nylon, so there’s no brass. Brass can corrode and damage your boat’s engine, so it’s important to use an impeller that doesn’t contain any.
Overall, I highly recommend this Sea Water Pump Impeller. It’s a great product that will make your boating experience much more enjoyable.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why an Impeller Mercruiser 350 Mag MPI is Necessary
As a boat owner, I know how important it is to keep my engine running smoothly. One of the most important parts of my engine is the impeller. The impeller is responsible for circulating coolant through the engine, and if it fails, it can cause a number of problems.
Here are a few reasons why an impeller Mercruiser 350 Mag MPI is necessary:
- It helps to keep your engine cool. The impeller circulates coolant through the engine, which helps to keep it from overheating. If the impeller fails, the engine can overheat and potentially damage the engine block.
- It helps to prevent corrosion. The impeller also helps to circulate water through the engine, which helps to prevent corrosion. If the impeller fails, water can stagnate in the engine and cause corrosion.
- It helps to improve fuel efficiency. A properly functioning impeller can help to improve fuel efficiency by ensuring that the engine is running at its most efficient temperature. If the impeller fails, the engine can run hotter than necessary, which can decrease fuel efficiency.
- It helps to extend the life of your engine. A properly functioning impeller can help to extend the life of your engine by preventing overheating, corrosion, and decreased fuel efficiency. If the impeller fails, it can damage the engine and shorten its lifespan.
If you’re a boat owner, it’s important to make sure that your impeller is in good condition. A failing impeller can cause a number of problems, and it’s important to replace it as soon as possible.
Here are a few tips for inspecting your impeller:
- Check the impeller for wear and tear. Look for cracks, chips, or other damage.
- Check the impeller for leaks. Look for fluid leaking from the impeller.
- Check the impeller for debris. Look for debris caught in the impeller.
If you find any of these problems, it’s time to replace your impeller. You can find impellers for Mercruiser 350 Mag MPI engines at most marine supply stores.
My Buying Guides on ‘Impeller Mercruiser 350 Mag Mpi’
What is an Impeller Mercruiser 350 Mag Mpi?
An impeller Mercruiser 350 Mag Mpi is a part of the cooling system in your boat’s engine. It is responsible for pumping water through the engine block and out the exhaust. This helps to keep the engine cool and prevent it from overheating.
Why do I need to replace my Impeller Mercruiser 350 Mag Mpi?
There are a few reasons why you might need to replace your impeller Mercruiser 350 Mag Mpi.
- The impeller is worn out. Over time, the impeller can wear out and become damaged. This can cause it to lose efficiency and not pump enough water through the engine.
- The impeller is damaged. The impeller can be damaged if it comes into contact with debris in the water. This can cause it to crack or break, which will prevent it from working properly.
- The impeller is the wrong size. If you have the wrong size impeller, it will not fit properly in the engine and will not be able to pump water effectively.
How do I know if my Impeller Mercruiser 350 Mag Mpi needs to be replaced?
There are a few signs that your impeller Mercruiser 350 Mag Mpi may need to be replaced.
- Your engine is overheating. If your engine is overheating, it could be a sign that the impeller is not pumping enough water through the engine.
- Your engine is running rough. If your engine is running rough, it could be a sign that the impeller is damaged and is not working properly.
- You see water leaking from the engine. If you see water leaking from the engine, it could be a sign that the impeller is leaking.
How do I replace my Impeller Mercruiser 350 Mag Mpi?
Replacing your impeller Mercruiser 350 Mag Mpi is a relatively simple process, but it is important to do it correctly. Here are the steps involved:
1. Locate the impeller. The impeller is located in the water pump housing. It is a small, round, metal part with a rubber impeller attached to it.
2. Remove the water pump housing. The water pump housing is usually held in place by a few bolts. Remove the bolts and carefully remove the housing.
3. Remove the old impeller. The old impeller is usually held in place by a snap ring. Use a pair of pliers to remove the snap ring and carefully remove the old impeller.
4. Install the new impeller. Align the new impeller with the shaft and carefully install it. Make sure that the snap ring is properly seated.
5. Reinstall the water pump housing. Reinstall the water pump housing and tighten the bolts.
6. Fill the cooling system with water. Start the engine and let it run for a few minutes to circulate the water through the system.
Where can I buy an Impeller Mercruiser 350 Mag Mpi?
Impellers Mercruiser 350 Mag Mpi are available at most marine supply stores. You can also find them online at a variety of retailers.
What is the price of an Impeller Mercruiser 350 Mag Mpi?
The price of an impeller Mercruiser 350 Mag Mpi will vary depending on the brand and the size. You can expect to pay anywhere from $20 to $50 for an impeller Mercruiser 350 Mag Mpi.
Conclusion
Replacing your impeller Mercruiser 350 Mag Mpi is a relatively simple and inexpensive process that can help to keep your engine running smoothly. By following the steps in this guide, you can easily replace your impeller Mercruiser 350 Mag Mpi and get back on the water in no time.
Author Profile
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My name is Holly Bell and I have always loved to write.
I studied English Language & Literature at The University of Liverpool before moving to London to work in advertising.
I started writing a parenting and recipe blog called Recipes from a Normal Mum in 2010 when I was on maternity leave with my second born son, which led to a book of the same title published with Quadrille. The blog won a Good House Keeping Award in 2016 for best food blog. I don’t tend to update it much anymore as I’m too busy with other stuff.
Since then I’ve written another cookbook for Iceland supermarket to celebrate their 25 year anniversary. I also worked on a non fiction book without any recipes. It was published in Spring of 2021. I have appeared in various QVC, High Street TV and done shows on BBC Radio.
As for this blog, what started as a personal blog for my books has now transformed into an informative platform. Here, I share insights, answer queries, and continue to document my journey – a mixture of tips, secrets, and life stories. This blog has become a space for connection, learning, and sharing.
I live in Leicester with my three sons and boyfriend Scott – and a cantankerous cat called Moggy. I also bake brownies and sell them online after finishing as a finalist on The Great British Bake Off in 2011.
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