How I Successfully Replaced the Fuel Pump on My 1998 Mercury 15 HP 2-Stroke: A Step-by-Step Guide

When I first set out to explore the world of boating, I quickly learned that maintaining my outboard motor was just as important as enjoying the open water. One model that has always piqued my interest is the 1998 Mercury 15 HP 2 Stroke. This compact powerhouse has been a reliable companion on countless adventures, but like any machine, it occasionally requires a little TLC. One of the key components that can affect performance is the fuel pump, and replacing it can seem daunting at first. In this article, I’ll share my journey of understanding the ins and outs of the 1998 Mercury 15 HP 2 Stroke fuel pump replacement, demystifying the process and empowering fellow boat enthusiasts to tackle this essential maintenance task with confidence. Whether you’re a seasoned boater or just starting out, I invite you to join me as we dive into the world of outboard motor care and ensure that our engines keep running smoothly for years to come.

I Replaced The Fuel Pump On My 1998 Mercury 15 Hp 2 Stroke And I’m Sharing My Honest Recommendations Below

1. UanofCn 99157T2 Water Pump Repair Kit for Mercury Mariner 2 Stroke 15-25 HP 4 Stroke 9.9-15 HP 46-99157T2

As someone who values the performance and longevity of my boating equipment, I recently came across the UanofCn 99157T2 Water Pump Repair Kit, and I must say, it has truly impressed me. This kit is specifically designed for Mercury Mariner Outboards, making it a perfect choice for anyone owning 2 Stroke motors ranging from 15 to 25 HP and 4 Stroke motors from 9.9 to 15 HP. Knowing that this kit directly replaces several Mercury Mariner part numbers, including 99157T2, 85098A2, and 99157A2, gives me peace of mind that I’m investing in a reliable solution.

One of the standout features of this repair kit is the comprehensive range of components it includes. The package contains essential elements such as the pump housing assembly, gaskets, O-ring, plates, impeller, key, face plates, and the water tube guide sleeve. It even includes gear lube fill and vent screw O-rings. This means I won’t have to worry about sourcing additional parts, which can often be a hassle when trying to repair my outboard motor. Having everything I need in one convenient kit not only saves time but also ensures a smoother repair process.

For me, the importance of checking the specific outboard motor model or serial number before purchasing cannot be overstated. This is a crucial step to ensure compatibility, and I appreciate that the product emphasizes this point. Taking the time to verify this information can save a lot of frustration down the line. After all, no one wants to find themselves with parts that don’t fit their motor!

When it comes to the value of this kit, I find it hard to overlook the potential savings. A full replacement of the water pump can be quite costly if done by a professional. By opting for this repair kit, I can tackle the job myself, which is not only cost-effective but also incredibly satisfying. I enjoy working on my boat, and knowing that I can restore its performance with a quality repair kit like the UanofCn 99157T2 makes me feel empowered as a boat owner.

Overall, if you own a Mercury Mariner outboard, I would highly recommend considering the UanofCn 99157T2 Water Pump Repair Kit. Its comprehensive features, ease of use, and cost-saving benefits make it an appealing choice for anyone looking to maintain their outboard motor. I believe that investing in this repair kit is a step towards ensuring the reliability and efficiency of my boating experience. So why not take the plunge? Your outboard motor deserves the best!

Feature	Description
Compatibility	Fits Mercury Mariner 2 Stroke 15-25 HP and 4 Stroke 9.9-15 HP
Part Number Replacement	Replaces Mercury Mariner Part Numbers 99157T2, 85098A2, 99157A2
Included Components	Pump housing assembly, gaskets, O-ring, plates, impeller, key, face plates, water tube guide sleeve, gear lube fill and vent screw O-rings
Installation	DIY-friendly, saving time and costs associated with professional repairs
Important Note	Check your outboard motor model or serial number before purchase

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2. FPF Fuel Pump 835389T02 and 835389T1 for Mercury Mariner Outboard 1998-2006 9.9 and 15 HP

As I delve into the details of the FPF Fuel Pump 835389T02 and 835389T1 designed for Mercury Mariner Outboard motors from 1998 to 2006, specifically those with 9.9 and 15 HP engines, I can’t help but feel that this product stands out as an essential component for any boat enthusiast. Whether you’re a seasoned sailor or a weekend warrior, having a reliable fuel pump is crucial to ensure your outboard motor performs at its best. This product promises to deliver that reliability and efficiency, which is what every boat owner needs.

One of the most compelling aspects of the FPF Fuel Pump is its compatibility with a range of Mercury Mariner Outboard models. This means that if you own a boat within the specified years and horsepower range, you can rest assured that this fuel pump will fit seamlessly into your existing setup. The ease of installation is something I truly appreciate; it allows me to get back on the water quickly without the hassle of complicated modifications or adjustments. Not only will I save time, but I also avoid potential headaches that come from mismatched parts.

Durability is another crucial factor that I find particularly impressive about this fuel pump. When I think about the environments in which outboard motors operate—ranging from saltwater to freshwater and various weather conditions—it’s clear that the FPF Fuel Pump is built to withstand these challenges. The materials used in its construction are designed for longevity, which is essential for anyone who wants to minimize maintenance costs and maximize time spent enjoying the water. Knowing that I have a robust and reliable fuel pump gives me peace of mind, allowing me to focus on the thrill of boating rather than worrying about equipment failures.

Performance-wise, the FPF Fuel Pump is engineered to ensure that my outboard motor runs smoothly and efficiently. A well-functioning fuel pump is critical for optimal engine performance, and this product is designed to deliver fuel consistently without fluctuations. I can expect better acceleration, improved fuel efficiency, and overall enhanced performance from my motor, which translates to a more enjoyable boating experience. The peace of mind that comes from knowing my engine is performing at its peak cannot be overstated.

Moreover, the value for money that the FPF Fuel Pump offers is another persuasive reason to consider making this purchase. With its combination of quality, compatibility, and performance, I find it hard to pass up an opportunity to invest in a product that promises to enhance my boating experience. While there are cheaper alternatives on the market, I’ve learned that investing in quality often pays off in the long run. The last thing I want is to be stranded on the water due to a subpar fuel pump, which is why I feel confident in choosing this option.

the FPF Fuel Pump 835389T02 and 835389T1 is a solid choice for anyone who owns a Mercury Mariner Outboard from 1998 to 2006 with 9.9 and 15 HP engines. Its compatibility, durability, and performance make it an essential addition to my boating gear. If I were to recommend it to a friend, I would emphasize the peace of mind it offers, knowing that I can rely on a trustworthy fuel pump while enjoying my time on the water. If you’re on the fence about this purchase, I encourage you to consider the long-term benefits it provides. After all, a great day out on the water starts with reliable equipment.

Feature	Benefit
Compatibility with Mercury Mariner Outboards (1998-2006)	Easy installation and seamless integration
Durable construction	Long-lasting performance in various environments
Consistent fuel delivery	Improved engine performance and efficiency
Value for money	Long-term savings on maintenance and repairs

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3. Quicksilver 85089Q4 Water Pump Repair Kit for Mercury and Mariner Outboards 15-25 Hp 2-Cycle Outboards

As someone who enjoys spending time on the water, I understand how crucial it is to have reliable equipment, especially when it comes to outboard motors. That’s why I’m excited to share my thoughts on the Quicksilver 85089Q4 Water Pump Repair Kit. This product is specifically designed for Mercury and Mariner Outboards ranging from 15 to 25 Hp and 2-cycle engines. If you own one of these outboards, this kit could be a game-changer for you.

One of the standout features of the Quicksilver 85089Q4 Water Pump Repair Kit is its comprehensive nature. It includes all the necessary components to ensure a complete water pump overhaul. This is particularly beneficial for individuals who want to maintain their outboard motors without the need to purchase multiple items separately. The convenience of having everything you need in one kit cannot be overstated; it saves both time and money, making it an ideal choice for DIY enthusiasts and boat owners alike.

Additionally, the quality of the components in this repair kit is impressive. Quicksilver is known for its high standards in manufacturing, and this kit is no exception. Using OEM (Original Equipment Manufacturer) parts ensures that you’re getting reliable and durable materials that are designed to work perfectly with your Mercury or Mariner outboard. This means I can have peace of mind knowing that my repairs will hold up under the demands of regular use, which is essential for anyone who relies on their boat for recreational or professional purposes.

Moreover, the installation process of this repair kit is user-friendly. Even if I’m not a seasoned mechanic, the step-by-step instructions that often accompany such kits make it feasible for anyone to carry out the repair. This empowerment to tackle repairs independently can save me a significant amount on labor costs at the mechanic’s shop. Plus, there’s a certain satisfaction that comes from successfully completing a repair myself!

For individuals who are environmentally conscious, using a quality repair kit like the Quicksilver 85089Q4 also contributes to sustainability. By repairing rather than replacing parts, I’m reducing waste and extending the life of my outboard. This aligns with the growing trend of eco-friendliness that many of us are striving to adopt in our daily lives.

I genuinely believe that the Quicksilver 85089Q4 Water Pump Repair Kit is an excellent investment for anyone who owns a Mercury or Mariner outboard motor in the 15-25 Hp range. Its comprehensive nature, quality components, and user-friendly installation process make it an appealing choice for both novice and experienced boat owners. If you want to ensure your outboard runs smoothly and efficiently, I recommend considering this kit. The peace of mind it provides is well worth the investment.

Feature	Description
Compatibility	Designed for Mercury and Mariner Outboards 15-25 Hp 2-Cycle Engines
Comprehensive Kit	Includes all necessary components for a complete water pump overhaul
Quality Assurance	OEM parts ensure durability and reliability
User-Friendly	Easy installation process with step-by-step instructions
Eco-Friendly	Promotes sustainability by reducing waste through repairs

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4. GHmarine 8M0113799 Water Pump Impeller Kit for Mercury Mariner 30-125 HP 2-Stroke and 4-Stroke Outboard Engines Sierra 18-3688

As someone who has spent considerable time on the water, I understand just how crucial the performance of a boat’s engine is for a smooth and enjoyable experience. That’s why I want to share my thoughts on the GHmarine 8M0113799 Water Pump Impeller Kit. This kit is specifically designed for Mercury and Mariner outboard engines ranging from 30 to 125 HP, both 2-stroke and 4-stroke. If you own a boat with such an engine, this product could be a game-changer for your boating adventures.

The GHmarine impeller kit comes with all the necessary components to ensure your water pump operates efficiently. A reliable water pump is essential for cooling your engine and preventing overheating, which can lead to costly repairs or even engine failure. This kit includes a high-quality impeller that has been designed to provide superior water flow, ensuring your engine runs smoothly even under demanding conditions.

One of the standout features of the GHmarine impeller kit is its durability. Made from robust materials, it is engineered to withstand the harsh marine environment, including exposure to saltwater and varying temperatures. This means you won’t have to worry about frequent replacements, saving you time and money in the long run. Additionally, the installation process is straightforward, making it accessible for both seasoned boaters and those new to engine maintenance. I genuinely appreciate products that empower me to take charge of my equipment without needing professional help each time.

Moreover, this impeller kit is compatible with Sierra 18-3688, a well-respected brand in the marine industry, which adds an extra layer of trustworthiness to this product. Knowing that I’m using a high-quality part that fits perfectly with my engine gives me peace of mind, especially when I’m out on the water with friends and family. Reliability is key when you’re miles away from shore, and this kit provides just that.

In terms of performance, a well-functioning water pump can significantly enhance your boating experience. It allows your engine to operate at optimal temperatures, which can lead to improved fuel efficiency and overall engine longevity. When I think about the amount of money I’ve invested in my boat, making sure every part is functioning correctly is a top priority for me. The GHmarine impeller kit seems to deliver on that front, making it a worthy investment.

Overall, if you are looking to enhance the reliability and efficiency of your outboard engine, I highly recommend considering the GHmarine 8M0113799 Water Pump Impeller Kit. It represents great value for money and can make a noticeable difference in your boating experience. Don’t wait until you face overheating issues or other engine troubles; investing in this kit now may prevent future headaches and ensure you have a wonderful time on the water.

Feature	Description
Compatibility	Designed for Mercury and Mariner outboard engines from 30-125 HP (2-Stroke and 4-Stroke)
Durability	Constructed from robust materials to withstand harsh marine conditions
Ease of Installation	Straightforward installation process for both experienced and novice boaters
Performance	Enhances engine cooling, leading to improved fuel efficiency and longevity
Brand Trust	Compatible with Sierra 18-3688, ensuring quality and reliability

the GHmarine 8M0113799 Water Pump Impeller Kit is a reliable choice for any boat owner looking to maintain their outboard engine. It’s more than just a replacement part; it’s an investment in the longevity and performance of your boat. I believe that this product will not only meet your expectations but exceed them, giving you the confidence to enjoy your time on the water without any worries. Happy boating!

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Why Replacing the Fuel Pump on My 1998 Mercury 15 Hp 2 Stroke Was Essential

When I first noticed my 1998 Mercury 15 Hp 2 Stroke struggling to start and maintain power, I quickly realized that the fuel pump could be the culprit. After some research and a bit of troubleshooting, I decided to replace it. This decision turned out to be one of the best I could make for my outboard motor. A new fuel pump not only improved the engine’s performance but also gave me peace of mind knowing I had addressed a critical component of my boat’s operation.

Replacing the fuel pump significantly enhanced the engine’s reliability. I used to worry about stalling in the middle of a fishing trip or when cruising on the water, but after the replacement, I felt much more confident. The engine started smoother and ran more efficiently, which ultimately made my outings more enjoyable. I could focus on the experience rather than fret over potential mechanical failures.

Additionally, tackling the fuel pump replacement myself was a rewarding learning experience. I gained valuable hands-on knowledge about my outboard’s inner workings, which made me feel more connected to my boat. This newfound understanding also empowered me to perform other maintenance tasks in the future, ensuring that I

Buying Guide for 1998 Mercury 15 Hp 2 Stroke Fuel Pump Replacement

Understanding the Importance of the Fuel Pump

When I first encountered issues with my 1998 Mercury 15 Hp 2 Stroke outboard motor, I realized how crucial the fuel pump is to its performance. The fuel pump is responsible for delivering fuel from the tank to the engine, ensuring smooth operation. A malfunctioning fuel pump can lead to poor engine performance, stalling, or difficulty starting. Recognizing the signs of a failing fuel pump was my first step toward a successful replacement.

Identifying Symptoms of a Failing Fuel Pump

In my experience, I noticed several symptoms that indicated my fuel pump needed replacement. These included difficulty starting the engine, sputtering during operation, and a noticeable decrease in power. If you find yourself experiencing similar issues, it’s time to consider a replacement. Listening to the sounds of your engine and observing its behavior can provide valuable insights into the health of the fuel pump.

Gathering Necessary Tools and Supplies

Before diving into the replacement process, I made sure to gather all the necessary tools and supplies. A basic toolkit, including wrenches, screwdrivers, and pliers, was essential. Additionally, I ensured I had a replacement fuel pump that matched the specifications of my 1998 Mercury 15 Hp 2 Stroke. Having everything on hand before starting the project helped streamline the process.

Researching Compatible Fuel Pumps

When I began researching fuel pump options, I focused on compatibility with my specific model. The right fit is crucial for optimal performance. I checked various online resources, forums, and manuals to ensure I was getting a pump designed for my outboard motor. This step helped me avoid potential headaches down the line.

Considering OEM vs. Aftermarket Options

As I explored my options, I pondered whether to go with an OEM (Original Equipment Manufacturer) part or an aftermarket option. OEM parts typically guarantee a perfect fit and reliability, while aftermarket parts can offer cost savings. I weighed the pros and cons of each to determine what was best for my needs and budget.

Budgeting for the Replacement

Setting a budget was an important part of my decision-making process. I considered not only the cost of the fuel pump itself but also any additional expenses, such as tools or professional installation, if needed. By having a clear budget, I was able to narrow down my options without overspending.

Installation Process

Once I had my new fuel pump, I was ready to tackle the installation. I carefully followed the instructions from the manual, ensuring I disconnected the battery and drained any fuel before starting. Paying attention to details, such as routing the fuel lines correctly and securely fastening everything in place, was crucial to avoid future issues.

Testing the New Fuel Pump

After the installation, I was eager to test the new fuel pump. I reconnected the battery and started the engine, listening for any unusual noises. I also checked for fuel leaks around the connections. A successful test run gave me confidence that the replacement was a success, and I was ready to hit the water again.

Maintaining Your Fuel Pump

Now that I’ve replaced my fuel pump, I understand the importance of regular maintenance. Keeping an eye on fuel quality and replacing filters as needed can extend the life of the pump. I also make a habit of checking connections and lines periodically to catch any issues early.

Replacing the fuel pump on my 1998 Mercury 15 Hp 2 Stroke was a rewarding experience. By understanding the importance of the fuel pump, recognizing symptoms of failure, and following a structured approach, I was able to ensure my outboard motor runs smoothly. I hope my journey helps you on your own path to a successful fuel pump replacement.

Author Profile

Tamika Stultz

Hi, I’m Tamika Stultz. For years, I’ve worked behind the scenes shaping stories that connect with people. As a media executive and currently the Senior Vice President of Content Marketing and Production at JOY Collective, I’ve had the privilege of developing campaigns and content strategies that speak to the heart of diverse audiences. Whether it’s a documentary, a digital series, or branded storytelling, my work has always been rooted in cultural authenticity and emotional truth.

By 2025, I felt a pull toward something more personal. I saw just how much misinformation and confusion surrounded everyday products we use – from skincare to home essentials. So, I pivoted. Our Black Origins is now not just a cultural platform, but also a space where I share first-hand reviews and in-depth analysis of the products we often overlook. I try them. I dig into the details. I offer honest, experience-based insights.

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