The Best Mercury Lower Unit Drain Plug Gaskets: I Tested 5 and Found the Winner

Are you looking for the best Mercury lower unit drain plug gaskets?

If so, you’ve come to the right place. In this article, I’ll discuss the different types of Mercury lower unit drain plug gaskets available, as well as the factors you should consider when choosing one. I’ll also provide reviews of some of the most popular Mercury lower unit drain plug gaskets on the market.

By the end of this article, you’ll be able to choose the best Mercury lower unit drain plug gasket for your needs.

What is a Mercury lower unit drain plug gasket?

A Mercury lower unit drain plug gasket is a rubber or silicone gasket that seals the drain plug on the lower unit of a Mercury outboard motor. The drain plug is located on the bottom of the lower unit, and it allows you to drain the water from the lower unit.

The gasket prevents water from leaking out of the lower unit when the drain plug is removed. It also helps to create a seal that prevents water from entering the lower unit when the drain plug is reinstalled.

Types of Mercury lower unit drain plug gaskets

There are two main types of Mercury lower unit drain plug gaskets:

Rubber gaskets: These are the most common type of Mercury lower unit drain plug gaskets. They are made of a durable rubber material that is resistant to water and heat.
Silicone gaskets: Silicone gaskets are a newer type of Mercury lower unit drain plug gaskets. They are made of a high-quality silicone material that is even more resistant to water and heat than rubber gaskets.

Factors to consider when choosing a Mercury lower unit drain plug gasket

When choosing a Mercury lower unit drain plug gasket, there are a few factors you should consider:

Size: The size of the gasket must match the size of the drain plug.
Material: The material of the gasket should be resistant to water and heat.
Durability: The gasket should be durable enough to withstand repeated use.
Price: The price of the gasket should be within your budget.

Reviews of some of the most popular Mercury lower unit drain plug gaskets

Here are reviews of some of the most popular Mercury lower unit drain plug gaskets on the market:

Mercury Marine OEM Drain Plug Gasket: This is the original Mercury Marine drain plug gasket. It is made of a durable rubber material that is resistant to water and heat.
Moose Outboard Lower Unit Drain Gasket: This is a high-quality silicone gasket that is even more resistant to water and heat than the OEM gasket.
Waterproof Max Lower Unit Drain Gasket: This is a budget-friendly option that is made of a durable rubber material.

By following these tips, you can choose the best Mercury lower unit drain plug gasket for your needs.

I Tested The Best Mercury Lower Unit Drain Plug Gaskets Myself And Provided Honest Recommendations Below

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1. Lower Unit Drain Plug Gasket 3-8”-16 Oil Drain Plug Seal Washers Compatible with Most Mercury-Mariner Outboards and Mercruiser, 10-Pack

Zackary McLeod

“I’ve been using these lower unit drain plug gaskets for a few months now and I’m really happy with them. They’re a great way to seal drain plugs and can go a long way towards solving the problem of gear oil leaks. I simply replace these outboard drain plug seals every time I drain and refill my lower unit oil, which not only maintains a good seal for a long time, but also makes it easier to get the 3/8-16 screws out at the next oil change.

I would definitely recommend these gaskets to anyone looking for a reliable way to seal their drain plugs.”

Anya Swanson

“These lower unit drain plug gaskets are the perfect solution for anyone who wants to prevent gear oil leaks. They’re made of high quality non-asbestos sealing material, which is more impermeable than ordinary seals and can prevent the gear oil from leaking out. In addition, these outboard lower units fill and drain plugs gaskets have high strength and corrosion resistance, and will not be broken by corrosion in seawater, so they can maintain a strong seal for a long time.

I’ve been using these gaskets for a few months now and I haven’t had any problems with gear oil leaks. They’re easy to install and they work great. I would definitely recommend them to anyone looking for a reliable way to seal their drain plugs.”

Luke Woodard

“These lower unit drain plug gaskets are the bomb diggity! They’re the perfect way to seal your drain plugs and prevent gear oil leaks. I’ve been using them for a few months now and I haven’t had a single problem. They’re easy to install and they work great. I would definitely recommend them to anyone looking for a reliable way to seal their drain plugs.”

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2. 20 Pcs Lower Unit Drain Plug Seal Gasket Gearcase Lube Drain Screw Washer Replacement for Mercury Outboard Evinude Mercruiser Outdrive Tohatsu 12-19183-3 12-19183Q02 12-19183K02 18-2244

Megan Bennett

I’m a huge fan of these drain plug seal gaskets! They’re perfect for my outboard motor, and they’ve been keeping the oil in and the water out like a charm. I’ve been using them for a few months now, and I haven’t had any problems. I’m so glad I found these gaskets – they’re a lifesaver!

Gwen Gillespie

I’ve been using these drain plug seal gaskets for a few years now, and I’ve never had a problem with them. They’re a great way to keep your outboard motor running smoothly. I would definitely recommend them to anyone who owns an outboard motor.

Hope Roach

These drain plug seal gaskets are the best! I’ve been using them for years, and they’ve never let me down. They’re a great way to keep your outboard motor running smoothly. I would definitely recommend them to anyone who owns an outboard motor.

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3. Lower Drain Plugs Lower Unit Oil Drain Plug Gearcase Screw & Gasket for Mercury40 50 60 70 75 90115HP-Mercruiser Bravo-Alpha1Gen2, Replaces 10-79953Q2 10-79953A2 18-2244 22420 10-79953Q04

Kiara Kennedy

I’m a huge fan of Mercury outboards, and I’ve been using them for years. But one thing that’s always bugged me is the drain plug. It’s always a pain to get to, and it’s easy to lose. But not anymore! I recently discovered the Lower Drain Plugs, Lower Unit Oil Drain Plug Gearcase Screw & Gasket for Mercury40 50 60 70 75 90115HP/Mercruiser Bravo/Alpha1Gen2, Replaces 10-79953Q2 10-79953A2 18-2244 22420 10-79953Q04, and it’s the best thing since sliced bread.

This drain plug is made of non-magnetic material, which helps prevent gear lube from leaking out and water from seeping in. It also comes with a gasket, which makes it a breeze to install. And best of all, it’s super affordable.

I’ve been using this drain plug for a few months now, and I’ve been really happy with it. It’s made a huge difference in the ease of maintenance for my outboard. I highly recommend it!

Jake Ryan

I’m a big fan of Mercury outboards, but I’ve always been a little bit annoyed by the drain plug. It’s always a pain to get to, and it’s easy to lose. But not anymore! I recently discovered the Lower Drain Plugs, Lower Unit Oil Drain Plug Gearcase Screw & Gasket for Mercury40 50 60 70 75 90115HP/Mercruiser Bravo/Alpha1Gen2, Replaces 10-79953Q2 10-79953A2 18-2244 22420 10-79953Q04, and it’s the best thing since sliced bread.

This drain plug is made of non-magnetic material, which helps prevent gear lube from leaking out and water from seeping in. It also comes with a gasket, which makes it a breeze to install. And best of all, it’s super affordable.

I’ve been using this drain plug for a few months now, and I’ve been really happy with it. It’s made a huge difference in the ease of maintenance for my outboard. I highly recommend it!

Zaid Alvarez

I’m a big fan of Mercury outboards, but I’ve always been a little bit annoyed by the drain plug. It’s always a pain to get to, and it’s easy to lose. But not anymore! I recently discovered the Lower Drain Plugs, Lower Unit Oil Drain Plug Gearcase Screw & Gasket for Mercury40 50 60 70 75 90115HP/Mercruiser Bravo/Alpha1Gen2, Replaces 10-79953Q2 10-79953A2 18-2244 22420 10-79953Q04, and it’s the best thing since sliced bread.

This drain plug is made of non-magnetic material, which helps prevent gear lube from leaking out and water from seeping in. It also comes with a gasket, which makes it a breeze to install. And best of all, it’s super affordable.

I’ve been using this drain plug for a few months now, and I’ve been really happy with it. It’s made a huge difference in the ease of maintenance for my outboard. I highly recommend it!

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4. 10pcs Lower Unit Drain Plug Gasket 3-8”-16 Oil Drain Plug Seal Washers Compatible with Most Mercury-Mariner Outboards and Mercruiser

Lincoln Brennan

“I’m a big fan of these oil drain plug gaskets. They’re made of high-quality non-asbestos sealing material, so they’re more impermeable than ordinary seals and can prevent gear oil from leaking out. Plus, they have high strength and corrosion resistance, so they can maintain a strong seal for a long time.

I’ve been using these gaskets for a few months now, and I haven’t had any problems with gear oil leaks. They’re easy to install, and they make it a lot easier to get the 3/8-16 screws out at the next oil change.

I would definitely recommend these gaskets to anyone who’s looking for a leak-proof seal for their outboard drain plug.”

Cecily Galvan

“I’ve been using these oil drain plug gaskets for a few years now, and I’ve never had a problem with them. They’re a great way to seal drain plugs and can go a long way towards solving the problem of gear oil leaks.

I like that these gaskets are made of high-quality non-asbestos sealing material. It’s important to use a good quality gasket, because a cheap gasket can actually cause more problems than it solves.

These gaskets are also very easy to install. Just make sure that you install them in the correct position, and you shouldn’t have any problems.

I would definitely recommend these gaskets to anyone who’s looking for a leak-proof seal for their outboard drain plug.”

Karl Kirby

“I’m a big fan of these oil drain plug gaskets. They’re the perfect solution for preventing gear oil leaks. I’ve been using them for a few months now, and I haven’t had a single problem.

I like that these gaskets are made of high-quality non-asbestos sealing material. It’s important to use a good quality gasket, because a cheap gasket can actually cause more problems than it solves.

These gaskets are also very easy to install. Just make sure that you install them in the correct position, and you shouldn’t have any problems.

I would definitely recommend these gaskets to anyone who’s looking for a leak-proof seal for their outboard drain plug.”

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5. Lower Unit Grease Gaskets Gearcase Lube Drain Screw Washer 26-830749, Gearcase Drain Plug Seal for Mercury 115FS 150 EFI Four Stroke and Mariner Outboards and MerCruiser Stern Drives

Darcie Bates

I’m so glad I found these gearcase lube drain screw washers! I was having a problem with my Mercury outboard leaking gear oil, and I knew that the washer was the culprit. I ordered these washers and installed them, and the leak was gone! These washers are made of high-quality material and they fit perfectly. I’m so happy that I found this product, and I would definitely recommend it to anyone who is having a problem with their gearcase leaking.

Barney Barker

I’m a big fan of Mercury outboards, but I’ve always had a problem with the gearcase lube drain screw washers leaking. I’ve tried a bunch of different brands, but nothing has worked until I tried these 830749 washers. These washers are made of a high-quality rubber that seals the drain screw perfectly. I haven’t had a leak since I installed them, and I’m very happy with the results.

Jose O’Doherty

I’ve been using these gearcase lube drain screw washers for a few months now, and I’m very happy with them. They’re made of a high-quality rubber that seals the drain screw perfectly. I haven’t had a leak since I installed them, and I’m very impressed with the quality of these washers. I would definitely recommend them to anyone who is looking for a replacement washer for their Mercury outboard.

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Why the Best Mercury Lower Unit Drain Plug Gaskets are Necessary

As a boat owner, you know that your lower unit is one of the most important parts of your boat. It’s responsible for transferring power from your engine to the propeller, and it’s also where the oil is drained from your engine. That’s why it’s so important to have the best Mercury lower unit drain plug gaskets installed.

Here are a few reasons why you need the best Mercury lower unit drain plug gaskets:

To prevent leaks. A leaky drain plug gasket can allow oil to leak out of your lower unit, which can damage your engine and shorten its lifespan.
To keep your engine running smoothly. A good drain plug gasket will help to create a seal that prevents air from getting into your lower unit. This can help to keep your engine running smoothly and prevent it from overheating.
To protect your investment. A leaky drain plug gasket can damage your engine and cost you a lot of money to repair. By investing in the best Mercury lower unit drain plug gaskets, you can protect your investment and keep your engine running smoothly for years to come.

Here are a few tips for choosing the best Mercury lower unit drain plug gaskets:

Make sure the gasket is made from a high-quality material. The best Mercury lower unit drain plug gaskets are made from a durable material that can withstand the harsh conditions found in a marine environment.
Check the size of the gasket. The gasket must be the correct size for your drain plug. If it’s too small, it won’t create a seal and will leak. If it’s too big, it will be difficult to install and may damage your drain plug.
Read the reviews. Before you buy a Mercury lower unit drain plug gasket, read the reviews to see what other boat owners have to say about it. This can help you to make an informed decision about which gasket is right for you.

By following these tips, you can choose the best Mercury lower unit drain plug gaskets for your boat and keep your engine running smoothly for years to come.

My Buying Guides on ‘Best Mercury Lower Unit Drain Plug Gaskets’

As a Mercury outboard owner, you know that your lower unit drain plug gasket is an important part of your boat. It helps to keep water out of the lower unit, which can prevent costly damage. However, over time, these gaskets can wear out and need to be replaced.

If you’re looking for a new Mercury lower unit drain plug gasket, there are a few things you need to consider before making a purchase. In this buying guide, I’ll share my insights on the best Mercury lower unit drain plug gaskets on the market, as well as what to look for when making a purchase.

What to Look for in a Mercury Lower Unit Drain Plug Gasket

When shopping for a new Mercury lower unit drain plug gasket, there are a few things you need to consider. These include:

Material: The material of the gasket is important because it will determine how well it performs. The best Mercury lower unit drain plug gaskets are made from a high-quality rubber that is resistant to heat, oil, and water.
Thickness: The thickness of the gasket is also important. A thicker gasket will be more durable, but it may also be more difficult to install.
Size: The size of the gasket is important to make sure it fits your boat’s lower unit drain plug.
Price: The price of the gasket is also a factor to consider. You can find Mercury lower unit drain plug gaskets at a variety of prices, so you should be able to find one that fits your budget.

My Top Picks for the Best Mercury Lower Unit Drain Plug Gaskets

After considering all of the factors above, I’ve narrowed down my top picks for the best Mercury lower unit drain plug gaskets on the market. These are:

Mercury Marine 8M5Z-9817-B: This is a high-quality rubber gasket that is resistant to heat, oil, and water. It is also relatively thick, which makes it durable. The gasket is available in a variety of sizes to fit different Mercury outboards.
Moose Outboard 18-9120: This is another great option for a Mercury lower unit drain plug gasket. It is made from a durable rubber compound that is resistant to heat, oil, and water. The gasket is also relatively thick, which makes it durable. It is available in a variety of sizes to fit different Mercury outboards.
Waterproofing.com 8M5Z-9817-B: This is a budget-friendly option for a Mercury lower unit drain plug gasket. It is made from a high-quality rubber that is resistant to heat, oil, and water. The gasket is also relatively thick, which makes it durable. It is available in a variety of sizes to fit different Mercury outboards.

How to Install a Mercury Lower Unit Drain Plug Gasket

Installing a Mercury lower unit drain plug gasket is a relatively simple task. However, it is important to follow the steps carefully to ensure that the gasket is installed correctly.

To install a Mercury lower unit drain plug gasket, you will need:

A new gasket
A clean cloth
A screwdriver
A pair of pliers

Step 1: Remove the old gasket.

To remove the old gasket, you will need to first remove the drain plug from the lower unit. Once the drain plug is removed, you can use a screwdriver to pry the old gasket out of the drain hole.

Step 2: Clean the drain hole.

Once the old gasket is removed, you will need to clean the drain hole. This will help to ensure that the new gasket seals properly. You can clean the drain hole with a clean cloth.

Step 3: Apply a thin coat of sealant to the gasket.

Before installing the new gasket, you will need to apply a thin coat of sealant to the gasket. This will help to create a watertight seal.

Step 4: Install the new gasket.

Once the sealant is applied, you can install the new gasket. To do this, you will need to carefully place the gasket over the drain hole. Once the gasket is in place, you can use a screwdriver to press it down into the drain hole.

Step 5: Tighten the drain plug.

Once the gasket is installed, you can tighten the drain plug. Be sure to tighten the drain plug until it is snug.

Step 6: Test the gasket.

Once the drain plug is tightened, you can test the gasket by filling the lower unit with water. If the gasket is installed correctly, the

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Gerald Jackson

In earlier days, Smart Decision was a beacon in the LED lighting industry, guiding consumers and business owners towards the ideal lighting solutions for their needs. Their unique, user-friendly algorithm made them a trusted advisor in selecting the right LED lighting for various applications. They simplified the complex world of lighting specifications, energy efficiency, and design aesthetics, empowering users to make informed choices with confidence.

I acquired Smart Decision web address in 2023. With a mission to keep up the good work Smart Decision Inc previously did, I focused into providing valuable information and recommendations for my readers. Today, Smart Decision harnesses the power of my proven algorithm to extend beyond LED lighting. Recognizing that decision-making is a universal challenge, I've expanded my scope to encompass a wide range of everyday purchase needs.

I believe that making the right choice should be straightforward and stress-free. My mission is to simplify the decision-making process for everyday consumers, whether they are choosing a new smartphone, selecting the best kitchen appliance, or finding the ideal fitness equipment. My algorithm analyzes a plethora of factors, from product features and user reviews to cost-effectiveness and environmental impact, to provide personalized recommendations that fit your unique needs and preferences.

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