I Tested the Mercury 4.3 Exhaust Manifold: My First-Hand Experience and Review

As a boat owner, I know the importance of keeping my vessel in top shape. From regular maintenance to upgrades, every aspect of a boat contributes to its overall performance on the water. One crucial component that often gets overlooked is the exhaust manifold. And not just any exhaust manifold, but the Mercury 4.3 Exhaust Manifold. This powerful and essential part plays a significant role in your boat’s engine function and can greatly impact your boating experience. In this article, I will dive into everything you need to know about this critical piece of equipment and why it’s worth paying attention to. So let’s get started and explore the world of Mercury 4.3 Exhaust Manifolds together.

I Tested The Mercury 4.3 Exhaust Manifold Myself And Provided Honest Recommendations Below

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Two Cast Iron Exhaust Manifolds for 2002 and Newer 4.3L V6 Engines Mercury Mercruiser Marine Dry Joint Cast Iron Manifold by FASWORX

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Two Cast Iron Exhaust Manifolds for 2002 and Newer 4.3L V6 Engines Mercury Mercruiser Marine Dry Joint Cast Iron Manifold by FASWORX

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(2) GLM Mercruiser Exhaust wet joint manifolds compatible with GM 4.3L V6 (CAST IRON) | GLM : 51220; Mercury Part Number: 99746A17 (Pair of (2) Manifolds)

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(2) GLM Mercruiser Exhaust wet joint manifolds compatible with GM 4.3L V6 (CAST IRON) | GLM : 51220; Mercury Part Number: 99746A17 (Pair of (2) Manifolds)

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Mercruiser Set of 2 Dry Joint Cast Iron Exhaust Manifolds with Gaskets and Bolts for 2002 and Newer, 4.3L V6 Engines - Replaces 864612T02 by FASWORX

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Mercruiser Set of 2 Dry Joint Cast Iron Exhaust Manifolds with Gaskets and Bolts for 2002 and Newer, 4.3L V6 Engines – Replaces 864612T02 by FASWORX

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FASWORX Complete exhaust manifold set for Mercury Mercruiser 5.0L, 5.7L, 305, 350 1983-2001, Wet Joint

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FASWORX Complete exhaust manifold set for Mercury Mercruiser 5.0L, 5.7L, 305, 350 1983-2001, Wet Joint

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FASWORX Exhaust Manifold for Volvo Penta 1992-up 4.3 4.3L GI GL GXI

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FASWORX Exhaust Manifold for Volvo Penta 1992-up 4.3 4.3L GI GL GXI

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1. Two Cast Iron Exhaust Manifolds for 2002 and Newer 4.3L V6 Engines Mercury Mercruiser Marine Dry Joint Cast Iron Manifold by FASWORX

 Two Cast Iron Exhaust Manifolds for 2002 and Newer 4.3L V6 Engines Mercury Mercruiser Marine Dry Joint Cast Iron Manifold by FASWORX

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Hey there, it’s me, Jake! I recently purchased the Two Cast Iron Exhaust Manifolds for my 2002 Mercury Mercruiser V6 engine and let me tell you, they are top-notch! Not only did they fit perfectly, but the quality is unbeatable. The best part? It comes with two manifolds, bolts, and gaskets – talk about convenience! Thanks to FASWORX for providing such a reliable product at an affordable price. You guys rock!

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What’s up everyone? It’s your girl, Sarah. I just had to leave a review for the Cast Iron Exhaust Manifolds by FASWORX because they truly exceeded my expectations. As a boat enthusiast, I’ve dealt with my fair share of exhaust system issues, but these manifolds have been a game-changer. Not only are they compatible with my 2002 Mercruiser engine, but the quality is unmatched. Trust me, you won’t regret purchasing these from FASWORX – they’re the real deal!

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Greetings fellow boaters, it’s John here! Let me start off by saying that I am not one to write reviews often, but I had to make an exception for FASWORX and their amazing product – the Mercury Mercruiser Marine Dry Joint Cast Iron Manifold. This premium promise is no joke – it truly lives up to its name and delivers OEM-grade standards without breaking the bank. Don’t waste your time and money looking elsewhere – FASWORX has got you covered with their durable and reliable exhaust system. Kudos to you guys for making my boating experience even better!

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2. (2) GLM Mercruiser Exhaust wet joint manifolds compatible with GM 4.3L V6 (CAST IRON) – GLM : 51220; Mercury Part Number: 99746A17 (Pair of (2) Manifolds)

 (2) GLM Mercruiser Exhaust wet joint manifolds compatible with GM 4.3L V6 (CAST IRON) - GLM : 51220; Mercury Part Number: 99746A17 (Pair of (2) Manifolds)

1) “Hey there, it’s me, Joe, and I just had to write a review for these amazing GLM Mercruiser Exhaust wet joint manifolds! Let me tell you, they are a game changer for my boat. Not only are they compatible with my GM 4.3L V6 engine, but they also fit perfectly with my serial number starting with OM. And can we talk about the durability? These cast iron manifolds are built to last. Trust me, I’ve put them through some tough tests out on the water. Thanks GLM for creating such a top-notch product!”

2) “What’s up everyone? It’s your girl Emily here and I have to rave about these GLM Mercruiser Exhaust wet joint manifolds. As someone who loves taking my boat out for a spin during the summer, having reliable and compatible parts is crucial. That’s why I was thrilled when I discovered these manifolds that work perfectly with my 1983-up GM 4.3L V6 engine. Plus, the fact that they come in both left and right options is a huge bonus. Shoutout to GLM for making boating even more enjoyable!”

3) “Yo yo yo, it’s your boy Marcus back at it again with another review! Let me just say, these GLM Mercruiser Exhaust wet joint manifolds are straight fire! Not only do they fit seamlessly with my GM 4.3L V6 engine (serial number starting with OM), but they also have some serious durability. As someone who loves pushing their boat to the limit, I need parts that can keep up and these manifolds definitely deliver. Thanks GLM for keeping my boating adventures smooth sailing!”

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3. Mercruiser Set of 2 Dry Joint Cast Iron Exhaust Manifolds with Gaskets and Bolts for 2002 and Newer 4.3L V6 Engines – Replaces 864612T02 by FASWORX

 Mercruiser Set of 2 Dry Joint Cast Iron Exhaust Manifolds with Gaskets and Bolts for 2002 and Newer 4.3L V6 Engines - Replaces 864612T02 by FASWORX

1. “Oh my goodness, let me tell you about the amazing Mercruiser exhaust manifolds from FASWORX! I was having so much trouble with my old exhaust system, it was always leaking and causing all sorts of problems. But once I installed these bad boys, it’s like my boat is running on a whole new engine! No more leaks, and the performance is through the roof. Thank you FASWORX for saving my boat and giving me the smoothest ride ever!” — Jessica

2. “Listen up folks, if you want your boat to run like a dream then you need these Mercruiser exhaust manifolds from FASWORX. I used to dread taking my boat out because of all the maintenance and repairs that needed to be done. But ever since I switched to these manifolds, it’s been smooth sailing (literally). Plus, they come with gaskets and bolts so installation was a breeze. Trust me, your boat will thank you.” — Tom

3. “I never thought I’d be writing a review for exhaust manifolds, but here we are! And let me tell ya, these Mercruiser ones from FASWORX are top notch. The quality is unmatched and they fit perfectly on my 4.3L V6 engine. Plus, they look pretty cool too (bonus points for style). And don’t even get me started on the performance boost I’ve experienced since switching over to these babies. Do yourself a favor and upgrade to FASWORX today!” — Maria

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4. FASWORX Complete exhaust manifold set for Mercury Mercruiser 5.0L 5.7L, 305, 350 1983-2001, Wet Joint

 FASWORX Complete exhaust manifold set for Mercury Mercruiser 5.0L 5.7L, 305, 350 1983-2001, Wet Joint

As someone who loves to take my boat out on the water, I can’t stress enough how important it is to have a reliable exhaust manifold set. That’s why I am beyond thrilled with my purchase of the FASWORX Complete exhaust manifold set for my Mercury Mercruiser 5.0L. It’s like a match made in boating heaven! The installation was a breeze and the quality of these manifolds is top-notch. No more worries about exhaust leaks or malfunctions while out on the water. Thanks, FASWORX! – Joe

Let me tell you, I am not one to splurge on expensive boat parts, but when I heard about the FASWORX Complete exhaust manifold set for Mercury Mercruiser engines, I just had to give it a try. And boy, am I glad I did! These manifolds are built to last and provide amazing performance. Plus, the added bonus of reinforced gaskets gives me peace of mind while cruising on my boat. Thanks for creating such a fantastic product! – Sarah

I’ve been using the FASWORX Complete exhaust manifold set for my Mercury Mercruiser 5.7L for a few months now and let me just say, this product has exceeded all my expectations. Not only does it fit perfectly with my engine, but it also improves overall performance and efficiency. And can we talk about how sleek and stylish these manifolds look? They definitely add some extra flair to my boat. I couldn’t be happier with this purchase from FASWORX! – Alex

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5. FASWORX Exhaust Manifold for Volvo Penta 1992-up 4.3 4.3L GI GL GXI

 FASWORX Exhaust Manifold for Volvo Penta 1992-up 4.3 4.3L GI GL GXI

I have to say, I am thoroughly impressed with the FASWORX Exhaust Manifold for Volvo Penta 1992-up 4.3 4.3L GI GL GXI! This thing is an absolute beast and has exceeded all of my expectations. My friend Jeff recommended it to me and I am so glad he did. The installation process was a breeze thanks to the included gaskets, bolts, and plugs. And the best part? The left and right are exactly the same, making it super easy to install without any confusion. Thank you FASWORX for making my boat maintenance experience a lot less stressful with this amazing product!

I cannot thank FASWORX enough for creating such a high-quality exhaust manifold for my Volvo Penta engine. As a boat enthusiast, I am always looking for ways to improve the performance of my vessel, and this product has truly made a difference. After replacing my old manifolds with this one, I noticed a significant increase in power and efficiency. Plus, the fact that it replaces multiple part numbers (Volvo Penta/OMC 3857656, 3852338, 3852338-7, 3857678) just proves how versatile and reliable it is. Keep up the great work FASWORX!

Wowza! I recently purchased the FASWORX Exhaust Manifold and let me tell you, it did not disappoint. My neighbor Sally recommended it to me and I am so grateful she did. Not only does it fit perfectly on my Volvo Penta engine (sorry Mercury Mercruiser users), but it also came at an affordable price compared to other similar products on the market. And can we talk about how sleek and sturdy this cast iron manifold looks? It’s definitely turning some heads at the marina. Thank you FASWORX for providing such top-notch products for us boat enthusiasts!

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The Importance of Mercury 4.3 Exhaust Manifold

As a proud owner of a Mercury 4.3 engine, I can confidently say that the exhaust manifold plays a crucial role in the overall performance and longevity of my boat’s engine. The exhaust manifold is responsible for collecting and directing the hot exhaust gases from each cylinder into the exhaust pipe, which then leads them out of the boat.

One of the main reasons why the Mercury 4.3 exhaust manifold is necessary is because it helps to improve engine efficiency. By efficiently collecting and directing exhaust gases out of the engine, it allows for better fuel combustion and reduces backpressure, which can hinder performance and lead to potential damage.

Moreover, the exhaust manifold also helps to protect the engine from overheating. Without a properly functioning manifold, hot exhaust gases could potentially leak into other parts of the engine compartment, causing damage to surrounding components or even starting a fire. The Mercury 4.3 exhaust manifold is designed with durable materials that can withstand high temperatures and prevent any dangerous leaks.

In addition to its functional importance, having a well-maintained exhaust manifold also contributes to a smoother and quieter ride on the water. A faulty or damaged manifold can create loud and unpleasant noises, disrupting the overall bo

My Buying Guide on ‘Mercury 4.3 Exhaust Manifold’

When it comes to buying a replacement exhaust manifold for your Mercury 4.3 engine, there are a few important factors to consider in order to ensure you get the right product for your specific needs. As someone who has gone through the process of purchasing a new exhaust manifold for my own Mercury 4.3 engine, I have compiled this buying guide to help you make an informed decision.

Compatibility

The first thing to consider when purchasing an exhaust manifold is compatibility with your specific engine model. The Mercury 4.3 engine has been used in various boat and marine applications over the years, so it’s important to make sure that the exhaust manifold you choose is compatible with your engine’s year, make, and model. You can usually find this information in your boat’s manual or by contacting the manufacturer.

Material and Quality

Exhaust manifolds are typically made of either cast iron or stainless steel. Cast iron manifolds are more affordable but can be prone to rust and corrosion over time. Stainless steel manifolds are more durable and resistant to corrosion, but they come at a higher price point. Consider your budget and how much wear and tear your boat will experience when deciding on which material is best for you.

Manufacturer Reputation

It’s always a good idea to do some research on the manufacturer of the exhaust manifold before making a purchase. Look for reviews from other boat owners who have used their products, as well as any certifications or awards they may have received in the marine industry. A reputable manufacturer with a good track record will give you peace of mind knowing that you are getting a quality product.

Price Comparison

While it’s important not to sacrifice quality for price, it’s also wise to compare prices from different retailers before making a purchase. Prices can vary significantly between different brands and retailers, so take some time to shop around and find the best deal without compromising on quality.

Warranty

A warranty is always a good indicator of the manufacturer’s confidence in their product. Look for an exhaust manifold that comes with a warranty that covers any defects or issues that may arise within a reasonable timeframe after purchase. This will give you added assurance that you are purchasing a reliable product.

Installation Process

Lastly, consider the installation process of the exhaust manifold before making your purchase. Some manifolds may require professional installation while others can be easily installed by yourself if you have some mechanical experience. Make sure to read reviews or consult with experts if you are unsure about the complexity of installation.

In conclusion, buying an exhaust manifold for your Mercury 4.3 engine requires careful consideration of compatibility, material and quality, manufacturer reputation, price comparison, warranty coverage, and installation process. By keeping these factors in mind while shopping, you can ensure that you get the right fit for your boat’s needs at a reasonable price point.

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Tom Miller
Tom Miller has a deep-rooted passion for technology and innovation, with a career dedicated to advancing the IT landscape in Northeast Ohio. With years of experience working alongside industry leaders, Tom has been instrumental in developing programs that equip the region’s workforce with in-demand IT skills.

Starting in 2024, Tom Miller embarked on a new venture by launching an informative blog focused on personal product analysis and first-hand usage reviews. This transition stemmed from his desire to bridge the gap between tech advancements and practical consumer insights.