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

When I first purchased my 1998 Mercury 15 HP outboard motor, I was excited about the adventures that lay ahead on the water. However, like any seasoned boater knows, maintaining your motor is just as crucial as the thrill of the ride. One of the most vital components that often requires attention is the fuel pump. Over the years, I’ve learned that a well-functioning fuel pump is essential for optimal performance, especially in older models like mine. In this article, I’ll take you through the journey of replacing the fuel pump on my 1998 Mercury 15 HP 2-stroke engine, sharing insights and tips that transformed what could have been a daunting task into an empowering experience. Whether you’re a seasoned mechanic or a novice looking to tackle your first repair, I promise you’ll find valuable information that will help keep your motor running smoothly and ensure your boating adventures are as enjoyable as they should be. Join me as we dive into the world of fuel pump replacement and discover the satisfaction of a job well done!

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 enjoys boating and understands the importance of maintaining a reliable water pump, I recently came across the UanofCn 99157T2 Water Pump Repair Kit for Mercury Mariner engines. This kit is specifically designed for 2 Stroke engines ranging from 15-25 HP and 4 Stroke engines from 9.9-15 HP, identified by the part number 46-99157T2. I can’t express enough how crucial it is to keep your water pump in top condition, and this repair kit offers an excellent solution to ensure your engine runs smoothly and efficiently.

The UanofCn 99157T2 kit is tailored for a specific range of Mercury Mariner engines, which is a significant advantage for boat owners like me. It is common knowledge that water pumps are vital for the cooling system of an engine, and any failure can lead to overheating, resulting in severe engine damage. By investing in this repair kit, I am taking proactive steps to maintain my engine’s health, which can ultimately save me from expensive repairs in the future.

One of the standout features of this repair kit is its comprehensive nature. It includes all the necessary components to effectively repair the water pump, ensuring that I have everything I need to get the job done right. The convenience of having a complete kit means that I won’t have to hunt for individual parts, which can be time-consuming and frustrating. This also gives me peace of mind knowing that I’m using compatible components specifically designed for my engine model.

Moreover, the quality of the parts in the UanofCn kit deserves a mention. I appreciate that it is made with durable materials that can withstand the harsh marine environment. This durability translates to longer-lasting performance, which is exactly what I want when I’m out on the water. I can be confident that once I install this kit, my water pump will work effectively, allowing me to enjoy my boating experience without any worries.

For those of you who might be on the fence about purchasing this repair kit, consider the potential costs associated with neglecting your water pump. Engine repairs can be incredibly costly, and being stranded on the water is an unfortunate scenario that can be avoided with proper maintenance. The UanofCn 99157T2 Water Pump Repair Kit not only represents a smart investment in my boating experience but also a proactive approach to engine care.

I wholeheartedly recommend the UanofCn 99157T2 Water Pump Repair Kit for anyone with Mercury Mariner engines in the specified horsepower ranges. The thoroughness of the kit, combined with the assurance of quality components, makes it a no-brainer for maintaining my engine’s health. Don’t wait for a small issue to turn into a larger problem—take action now and ensure your engine is always ready for your next adventure on the water!

Feature	Description
Compatibility	Designed for Mercury Mariner 2 Stroke 15-25 HP and 4 Stroke 9.9-15 HP engines
Comprehensive Kit	Includes all necessary components for water pump repair
Durable Materials	Constructed with high-quality materials suitable for marine environments
Cost-Effective	Helps prevent costly engine repairs by maintaining water pump efficiency

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

As someone who is always on the lookout for reliable marine equipment, I am excited to share my analysis of the FPF Fuel Pump 835389T02 and 835389T1, specifically designed for Mercury Mariner Outboard motors from 1998 to 2006, with 9.9 and 15 HP. This product stands out for a variety of reasons, and I believe it can significantly enhance the performance of your outboard motor, ensuring your boating experiences are as smooth and enjoyable as possible.

One of the most compelling features of this fuel pump is its compatibility with both Mercury and Mariner 9.9HP and 15HP 4-Stroke Outboards. This compatibility means that if you own a boat with either of these outboards, you can be confident that this fuel pump will fit seamlessly into your existing setup. The ease of installation can’t be overstated; it allows for a hassle-free replacement process, saving you both time and effort. Additionally, the fact that it directly replaces part number 835389T02 further adds to its reliability. Knowing that you are using a part specifically designed to function with your motor provides peace of mind that it will perform efficiently.

Another aspect that I find particularly noteworthy is the fuel pump’s design, which has been engineered to ensure optimal performance in demanding marine environments. Fuel pumps are essential for maintaining the right fuel pressure, and a well-functioning pump can greatly influence the overall efficiency and longevity of your outboard engine. By using the FPF Fuel Pump, you can expect enhanced fuel delivery and engine responsiveness, which are crucial for both casual outings and more demanding fishing trips. This means fewer worries about engine stalling or poor performance while on the water.

Moreover, the durability of this fuel pump is another reason I would recommend it. Marine environments can be harsh, with exposure to saltwater, moisture, and varying temperatures. A robust fuel pump that can withstand these conditions is invaluable. The FPF Fuel Pump is built with quality materials that are designed to endure the rigors of marine life, ensuring that it won’t fail you when you need it the most.

In terms of value, considering the performance benefits and peace of mind that come with this product, I believe it is a worthy investment for any boat owner with a compatible outboard motor. The cost of a new fuel pump is minor compared to the potential headaches and costs associated with engine failure or poor performance. By choosing the FPF Fuel Pump, you are not just purchasing a part; you are investing in the reliability and enjoyment of your time on the water.

if you own a Mercury or Mariner 9.9HP or 15HP 4-Stroke Outboard from 1998 to 2006, I highly recommend considering the FPF Fuel Pump 835389T02 and 835389T1 for your next maintenance or upgrade. It promises reliability, performance, and durability, all crucial factors for any boating enthusiast. Don’t wait until you experience fuel delivery issues; take a proactive approach and ensure your outboard is equipped with a quality fuel pump.

Feature	Description
Compatibility	Fits Mercury & Mariner 9.9HP & 15HP 4-Stroke Outboards
Part Number Replacement	Replaces Part Number 835389T02
Durability	Built to withstand harsh marine environments
Performance	Ensures optimal fuel delivery and engine responsiveness

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

As a boat owner, I understand the importance of maintaining your outboard motor to ensure smooth sailing and reliability on the water. The Quicksilver 85089Q4 Water Pump Repair Kit for Mercury and Mariner Outboards is an excellent solution for anyone looking to keep their 15-25 HP 2-cycle outboards in top-notch condition. This repair kit is designed with the user in mind, providing everything needed to perform a complete water pump overhaul efficiently and effectively.

The kit includes a comprehensive 8-piece set that features gaskets, O-rings, plates, an impeller, and an impeller key. I appreciate how these components are specifically tailored to fit Mercury and Mariner outboards, ensuring a perfect match and optimal performance. When I first opened the kit, I was pleased to see how well-organized everything was. Having all the necessary parts in one package eliminates the hassle of searching for individual components, making the repair process significantly more straightforward.

One of the standout features of this repair kit is the ease of installation. With just a few common tools, I found that I could tackle the repairs myself without needing professional assistance. This aspect is particularly beneficial for those of us who enjoy DIY projects and want to save on repair costs. The instructions included are clear and concise, guiding even the less experienced boaters through the installation process with confidence. Knowing that I can handle these repairs myself gives me a sense of pride and accomplishment.

Moreover, the Quicksilver 85089Q4 Water Pump Repair Kit is produced to meet Mercury Marine’s original equipment manufacturer specifications. This fact is crucial for me, as it means that I can rely on the quality and compatibility of the parts. Using OEM parts is essential for maintaining the longevity and performance of my outboard motor. I feel reassured knowing that this kit is designed to protect my investment and provide the best possible performance on the water.

if you own a Mercury or Mariner outboard in the 15-25 HP range, I highly recommend considering the Quicksilver 85089Q4 Water Pump Repair Kit. It combines quality, convenience, and affordability, making it an excellent choice for both seasoned boaters and newcomers alike. By investing in this repair kit, you’re not only ensuring that your motor runs smoothly but also extending its lifespan. Don’t wait until you’re stranded on the water—take action now and give your outboard the care it deserves!

Feature	Details
Parts Included	8-piece kit gaskets, O-rings, plates, impeller, impeller key
Compatibility	Mercury and Mariner outboards 15-25 HP 2-cycle
Installation	Easy installation with common tools
OEM Specifications	Meets Mercury Marine OEM standards
Target Users	DIY boaters, Mercury and Mariner outboard owners

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4. TXRXIZ Fuel Pump Compatible with Mercury Outboard Parts 2 Stroke 30-300 HP Marine Fuel Pump Models 14360A14 14360A15 14360A24 14360A41 14360A50 14360A71 14360A78 99357A4, Etc

I recently came across the TXRXIZ Fuel Pump, and I must say, it really stands out as an exceptional replacement part for Mercury outboard motors ranging from 30 to 300 HP. This product is specifically engineered to be compatible with a wide variety of Mercury 2-Stroke outboards, including popular models like the 30HP, 90HP, and even up to the robust 300HP. This extensive compatibility means that whether you’re a casual boater or a serious fisherman, you can rely on this fuel pump to meet your needs. It has been crafted with attention to detail, ensuring that it meets or even exceeds OEM quality standards, which is crucial for maintaining the performance and longevity of your marine engine.

One of the standout features of this fuel pump is its superior material composition. The TXRXIZ Fuel Pump is made from high-quality materials that have been designed to provide excellent durability and tensile strength. This means that you can expect a longer service life compared to other generic fuel pumps on the market. Given the harsh conditions that marine equipment often faces, having a fuel pump that can withstand the elements and continue to perform efficiently is paramount. With this pump, you can reduce the risk of breakdowns while out on the water, allowing you to enjoy your time on the boat without worry.

Another critical aspect to consider is the functionality of the TXRXIZ Fuel Pump. Over time, fuel pumps can wear down, leading to issues like whining sounds, inefficient fuel delivery, or even difficulty in starting your engine. These problems can be not only frustrating but can also compromise the overall performance of your boat. The TXRXIZ Fuel Pump serves as an excellent replacement, designed to restore the fuel delivery efficiency to your engine. If you’ve been experiencing any issues with your current fuel pump, this replacement could be just what you need to get back on the water with confidence.

Moreover, the customer service provided by TXRXIZ is commendable. They emphasize their commitment to customer satisfaction, offering assistance and support if you have any questions or concerns about their product. This level of after-sales service is a crucial factor when making a purchase, as it provides peace of mind knowing that the company stands behind their product and is willing to help if any issues arise. This shows a dedication to not just selling a product but ensuring that customers have a pleasant shopping experience.

if you’re looking for a reliable, high-quality fuel pump for your Mercury outboard, the TXRXIZ Fuel Pump should be at the top of your list. Its broad compatibility, superior materials, enhanced functionality, and excellent customer service make it an outstanding choice. Investing in this fuel pump means investing in the performance and reliability of your boat. Don’t let fuel delivery issues ruin your time on the water—make the smart choice and upgrade to the TXRXIZ Fuel Pump today!

Feature	Description
Compatibility	Compatible with Mercury 2-Stroke outboards from 30-300HP
Part Numbers	Works with multiple part numbers, ensuring versatile application
Material Quality	Made from high-quality materials, compliant with OEM standards
Functionality	Restores fuel delivery efficiency and resolves common pump issues
Customer Service	Dedicated support for any questions or concerns

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

When my 1998 Mercury 15 Hp 2 Stroke started showing signs of fuel delivery issues, I knew that replacing the fuel pump was the first step I needed to take. A well-functioning fuel pump is crucial for any engine, and in my case, it directly affected the boat’s performance. I experienced hard starts and occasional stalling, which not only frustrated me but also made my outings on the water less enjoyable. By replacing the fuel pump, I was able to restore reliability to my engine, allowing me to focus on what I love most—spending time on the water.

Additionally, I discovered that a new fuel pump improved fuel efficiency significantly. Before the replacement, I found myself refueling more often than I liked, which added to my overall costs. After the swap, I noticed I could go longer distances without needing to stop for gas. This not only saved me money but also allowed me to explore new areas on the water without the constant worry of running out of fuel.

Lastly, taking on the fuel pump replacement myself was a rewarding experience. It gave me a sense of accomplishment and taught me more about my out

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

Understanding the Importance of a Fuel Pump

When I first encountered issues with my 1998 Mercury 15 Hp 2 Stroke outboard motor, I learned that the fuel pump plays a crucial role in delivering fuel from the tank to the engine. A malfunctioning fuel pump can lead to poor performance, stalling, or even complete failure of the motor. Recognizing the signs early can save time and money.

Signs Your Fuel Pump Needs Replacement

In my experience, there are a few telltale signs that indicate the fuel pump might need replacement. These include difficulty starting the engine, inconsistent power output while running, and unusual noises coming from the engine compartment. If I noticed any of these issues, I knew it was time to investigate further.

Gathering Necessary Tools and Materials

Before starting the replacement process, I made sure to gather all necessary tools. Typically, I needed a socket set, screwdrivers, pliers, and possibly a fuel line removal tool. It’s also wise to have a clean workspace and some rags handy to catch any fuel spills. Ensuring I had everything ready made the process smoother.

Finding the Right Replacement Fuel Pump

When searching for a replacement fuel pump, I focused on compatibility with my specific model. I researched various options available online and at local marine supply stores. It’s essential to verify that the pump matches the specifications for the 1998 Mercury 15 Hp 2 Stroke to avoid any compatibility issues.

Considerations for Quality and Price

In my journey, I realized that quality should never be compromised for price. I learned that investing a little more in a reliable fuel pump can save me from future headaches. I looked for reviews and ratings to gauge the quality of different options, ensuring I was making an informed decision.

Step-by-Step Replacement Process

Once I had my replacement fuel pump in hand, I followed a systematic approach to replace it. I started by disconnecting the battery to prevent any electrical mishaps. Then, I drained the fuel system to avoid spills. Carefully removing the old pump and installing the new one required attention to detail, ensuring all connections were secure. I found following a service manual helpful during this process.

Testing the New Fuel Pump

After the installation, I was eager to test the new fuel pump. I reconnected the battery, turned on the fuel supply, and started the engine. Observing the performance was crucial; I listened for any unusual noises and monitored the engine’s responsiveness. A successful test gave me peace of mind knowing I had made the right choice.

Maintenance Tips for Longevity

To avoid future replacements, I made it a habit to perform regular maintenance. Keeping the fuel system clean and checking for leaks helped me prolong the life of the new fuel pump. Additionally, I made sure to use the recommended fuel and additives for optimal performance.

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 the signs of failure, and following a systematic replacement process, I ensured my outboard motor would run smoothly for years to come.

Author Profile

Joseph Roberts

Hi, I’m Joseph Roberts though you might know me better through my work at The NYDAG Group. For over twenty years, I’ve immersed myself in the insurance and financial services industry, helping individuals, families, and businesses navigate everything from tax planning to complex risk strategies. I founded The NYDAG Group in Vernon, New York, as a full-service accounting and insurance firm designed to make financial clarity and reliable coverage accessible to all.

That’s why, starting in 2025, I began writing a new kind of blog, one focused on personal product analysis and first-hand usage reviews. After spending years helping clients make informed financial decisions, I realized how much the same principles apply to everyday purchases. My blog now bridges those worlds: offering clear, experience-based insight into products that people use every day whether it's insurance tools, financial software, or lifestyle essentials.

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