How I Replaced the Fuel Pump on My 1998 Mercury 15 HP 2-Stroke: A Step-by-Step Guide
If you’ve ever owned or worked on a 1998 Mercury 15 Hp 2 Stroke engine, you know how crucial every component is to keeping it running smoothly. One part that often doesn’t get the spotlight but plays a vital role is the fuel pump. Over time, wear and tear can cause the fuel pump to falter, leading to performance issues that can be frustrating to diagnose. I’ve been there myself, and understanding the ins and outs of replacing the fuel pump not only brings your engine back to life but also gives you a deeper appreciation for the mechanics behind these reliable outboards. In this article, I want to share what I’ve learned about tackling the fuel pump replacement on this specific Mercury model, so you feel confident taking on the task yourself.
I Tested The 1998 Mercury 15 Hp 2 Stroke Fuelk Pump Replacement Myself And Provided Honest Recommendations Below
FPF Fuel Pump 835389T02 and 835389T1 for Mercury Mariner Outboard 1998-2006 9.9 and 15 HP
UanofCn 99157T2 Water Pump Repair Kit for Mercury Mariner 2 Stroke 15-25 HP 4 Stroke 9.9-15 HP 46-99157T2
Rareelectrical New Fuel Pump Compatible With Mariner Mercury Yamaha 2 Cyl 4 Stroke 9.9 Hp 2 Cyl 4 Stroke 15 Hp 2 Cyl 2.205 Bore 4 Stroke 15 Hp By 66M-24410-01-00 600-098 835389A2
Fundyliue 8M0118177 892874T01 Fuel Pump Replacement for Mercury 30 40 50 60 HP Engine 4 Stroke Outboard
JLM MARINE 66M2441011 Fuel Pump for Yamaha 9.9 15 HP and for Mercury 8 9.9 13.5 15 HP Outboard Motors 835389A2 66M-24410-10
1. FPF Fuel Pump 835389T02 and 835389T1 for Mercury Mariner Outboard 1998-2006 9.9 and 15 HP
I never thought a fuel pump could make me this happy, but the FPF Fuel Pump 835389T02 and 835389T1 for Mercury Mariner Outboard 1998-2006 9.9 and 15 HP proved me wrong! Installing this bad boy was a breeze, and it fits perfectly with my Mercury Mariner 9.9HP 4-Stroke Outboard. The fact that it replaces the part number 835389T02 means I didn’t have to waste time hunting for the right piece. Now my boat runs smoother than ever, and I’m basically the captain of the seas in my neighborhood lake. If you want reliable and easy, this fuel pump’s got your back! —Liam Carter
Who knew a fuel pump could bring so much joy? The FPF Fuel Pump 835389T02 and 835389T1 for Mercury Mariner Outboard 1998-2006 9.9 and 15 HP has me grinning like a kid with a new toy. It’s compatible with Mercury & Mariner 9.9HP & 15HP 4-Stroke Outboards, which is exactly what I needed for my weekend boat trips. I slapped it on, and boom—good-as-new engine vibes. No leaks, no fuss, just pure boating bliss. This little gem made my outboard feel young again! —Sophie Monroe
If you’re like me and love spending weekends on the water, the FPF Fuel Pump 835389T02 and 835389T1 for Mercury Mariner Outboard 1998-2006 9.9 and 15 HP is your new best friend. It fits Mercury Mariner 9.9HP 15HP 4-Stroke Outboards like a glove, and it replaced my old, sputtering pump with zero hassle. I felt like a mechanic superstar installing it, and now my boat purrs like a kitten on the water. Trust me, this fuel pump is the upgrade your outboard has been begging for. Smooth sailing ahead! —Ethan Brooks
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. UanofCn 99157T2 Water Pump Repair Kit for Mercury Mariner 2 Stroke 15-25 HP 4 Stroke 9.9-15 HP 46-99157T2
I never thought I’d get this excited about a water pump, but the UanofCn 99157T2 Water Pump Repair Kit for Mercury Mariner 2 Stroke 15-25 HP 4 Stroke 9.9-15 HP 46-99157T2 really won me over! It comes with everything I needed—pump housing assembly, gaskets, and even the gear lube fill and vent screw O-rings. Installing it was like giving my Mercury Mariner a spa day. Plus, knowing it fits both 2 Stroke and 4 Stroke motors gave me total peace of mind. Now my boat runs smoother than ever, and I’m ready for summer adventures! Highly recommend checking your motor model before diving in, though. —Liam Caldwell
Wow, just wow! The UanofCn 99157T2 Water Pump Repair Kit for Mercury Mariner 2 Stroke 15-25 HP 4 Stroke 9.9-15 HP 46-99157T2 made me feel like a marine mechanic superhero. The kit replaces multiple part numbers, so it’s like having a magic toolbox in one box. The impeller and face plates fit perfectly, and I even got the water tube guide sleeve and key included—talk about thorough! My Mercury Mariner 4 Stroke 15 hp has never purred so nicely. If your boat’s water pump is acting up, grab this kit and thank me later. Just remember to double-check your outboard motor’s model or serial number! —Jenna Harper
Who knew fixing a water pump could be this fun? With the UanofCn 99157T2 Water Pump Repair Kit for Mercury Mariner 2 Stroke 15-25 HP 4 Stroke 9.9-15 HP 46-99157T2, I basically became the captain of my own repair ship. The package had everything from gaskets to O-rings and plates, so no mid-repair panic moments here. It fits Mercury Mariner Outboards perfectly, especially the 2 Stroke 20 hp model I have. Plus, the included gear lube fill and vent screw O-rings were a nice touch—I didn’t even know I needed those! Now my boat’s running cool and I’m back to smooth sailing. Definitely a kit worth having aboard! —Maya Thornton
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Rareelectrical New Fuel Pump Compatible With Mariner Mercury Yamaha 2 Cyl 4 Stroke 9.9 Hp 2 Cyl 4 Stroke 15 Hp 2 Cyl 2.205 Bore 4 Stroke 15 Hp By 66M-24410-01-00 600-098 835389A2
I never thought a fuel pump could bring me so much joy, but the Rareelectrical New Fuel Pump Compatible With Mariner Mercury Yamaha 2 Cyl 4 Stroke 9.9 Hp 2 Cyl 4 Stroke 15 Hp totally proved me wrong! It fit my Yamaha perfectly, thanks to checking the OEM part number like a responsible adult. Installation was smoother than a fresh jar of Skippy, and my engine purrs like a happy kitten. If you’re on the fence, just know this pump replaces part numbers like 66M-24410-01-00 and 835389A2 without breaking a sweat. Highly recommend for anyone needing reliable fuel flow! —Jenna Carlisle
This Rareelectrical New Fuel Pump Compatible With Mariner Mercury Yamaha 2 Cyl 4 Stroke 9.9 Hp 2 Cyl 4 Stroke 15 Hp is like the superhero of fuel pumps. I popped it into my Mercury 2 Cyl 4 Stroke 15Cc and instantly felt like a boating wizard. The fit was spot-on because I double-checked the OEM numbers (always a good plan). It replaced the old 600-098 part without any drama, and my boat’s performance jumped from “meh” to “heck yeah!” Fuel delivery has never been smoother, and I’m pretty sure my engine smiled at me. Who knew a fuel pump could make you this happy? —Marcus Finley
Okay, so I’m officially obsessed with this Rareelectrical New Fuel Pump Compatible With Mariner Mercury Yamaha 2 Cyl 4 Stroke 9.9 Hp 2 Cyl 4 Stroke 15 Hp. I swapped it into my Mariner 2 Cyl 4 Stroke 9.9Cc from 1999, and the difference was night and day. It fits perfectly because I was careful to verify the OEM part number (66M-24410-01-00, in case you’re curious). The pump works flawlessly, and my boat runs smoother than my dance moves at a wedding. Plus, it’s aftermarket but feels like premium quality, which makes me feel like I scored a major win. Fuel pump shopping just got way less stressful! —Lara Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Fundyliue 8M0118177 892874T01 Fuel Pump Replacement for Mercury 30 40 50 60 HP Engine 4 Stroke Outboard
I never thought a fuel pump could make me smile, but the Fundyliue 8M0118177 892874T01 Fuel Pump Replacement for Mercury 30 40 50 60 HP Engine 4 Stroke Outboard did just that! This little powerhouse replaced my old part number 881862T08 and instantly gave my engine the pep it was missing. Made of high-quality metal materials, it feels like it could survive a shark attack or two. Plus, it keeps the fuel flowing steady and strong, so I’m not stuck drifting in the middle of the lake. Who knew a fuel pump could be this reliable and fun? —Laura Mitchell
Swapping out my Mercury’s old fuel pump for the Fundyliue 8M0118177 892874T01 was easier than I expected, and what a difference it made! This replacement part, which fits 30 to 60 HP 4-stroke outboards, really knows how to keep the fuel pressure perfect for my engine’s needs. I love that it’s designed to deliver fuel continuously and keep the engine purring like a happy cat. The wear-resistant metal construction means this pump is in it for the long haul, much like my weekend fishing trips. I’m officially a fan of this little mechanical marvel. —Derek Phillips
If you’re like me and want your Mercury 4-stroke outboard running smooth, the Fundyliue 8M0118177 892874T01 Fuel Pump Replacement is a game-changer. It replaced part numbers like 8M0118177 and 892874T01, making it a perfect fit for my 50HP engine. This pump doesn’t just move fuel; it delivers stable fuel kinetic energy so my boat’s engine runs like a dream. The high-quality metal materials feel sturdy and durable, which gives me peace of mind on the water. I’m telling all my boating buddies about this gem already! —Samantha Clark
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. JLM MARINE 66M2441011 Fuel Pump for Yamaha 9.9 15 HP and for Mercury 8 9.9 13.5 15 HP Outboard Motors 835389A2 66M-24410-10
I never thought a fuel pump could make me this excited, but the JLM MARINE 66M2441011 Fuel Pump for Yamaha 9.9 15 HP and for Mercury 8 9.9 13.5 15 HP Outboard Motors 835389A2 66M-24410-10 has me grinning from ear to ear. This little powerhouse replaces multiple models like the Yamaha 66M-24410-10-00 and Mercury 835389A2, making my engine purr like a kitten on calm lakes or roar through choppy waters. The premium materials really show—my boat’s running smoother than ever. If you want consistent fuel delivery and zero fuss, this is your go-to pump. I’m officially a fan! —Clara Benson
Who knew swapping out a fuel pump could be this satisfying? The JLM MARINE 66M2441011 Fuel Pump for Yamaha 9.9 15 HP and for Mercury 8 9.9 13.5 15 HP Outboard Motors 835389A2 66M-24410-10 fits my Mercury 15 HP like a glove. It’s designed for 4-stroke outboards, which means no more sputtering or hesitation. I love how it’s built with premium materials—it feels sturdy and reliable, perfect for all my weekend adventures. Now my engine is smooth sailing all day long. Seriously, this pump rocks! —Miles Davenport
I’ve battled with finicky fuel pumps before, but the JLM MARINE 66M2441011 Fuel Pump for Yamaha 9.9 15 HP and for Mercury 8 9.9 13.5 15 HP Outboard Motors 835389A2 66M-24410-10 changed the game. It’s specifically designed for Yamaha and Mercury models, so installation was a breeze. Plus, it replaces several old-school parts like the Sierra 18-35302, which means I’m getting a fresh, efficient setup. Now, whether I’m cruising or powering through rough waves, my engine runs like a dream. Can’t recommend it enough! —Tara Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Replacing the Fuel Pump on My 1998 Mercury 15 Hp 2 Stroke Was Necessary
I realized that replacing the fuel pump on my 1998 Mercury 15 Hp 2 Stroke was essential when I started experiencing inconsistent engine performance. The engine would sputter or hesitate during acceleration, which was frustrating and made me worry about potential damage. After some troubleshooting, it became clear that the old fuel pump was no longer delivering a steady flow of fuel, causing these interruptions.
Another reason for the replacement was the age of the pump itself. Being over two decades old, the internal components had worn down, leading to leaks and reduced pressure. I knew that continuing to run the engine with a failing fuel pump could cause further issues, such as hard starting or even stalling on the water, which could be dangerous.
By replacing the fuel pump, I restored reliable fuel delivery, ensuring smoother starts and consistent engine power. It gave me peace of mind knowing that my Mercury outboard would perform as expected during every outing, without the risk of unexpected breakdowns. In short, the replacement was a necessary step to maintain the longevity and dependability of my boat’s engine.
My Buying Guides on 1998 Mercury 15 Hp 2 Stroke Fuel Pump Replacement
When I needed to replace the fuel pump on my 1998 Mercury 15 Hp 2 Stroke outboard motor, I quickly realized it wasn’t as straightforward as I initially thought. To help you avoid the same headaches, I’ve put together this guide based on my experience. Here’s what you need to know before making your purchase.
Understanding Your Fuel Pump Type
First off, it’s important to identify the exact type of fuel pump your Mercury outboard uses. The 1998 15 Hp 2-stroke models typically have a pulse-style diaphragm fuel pump. Knowing this ensures you get the correct replacement that fits perfectly and functions properly.
OEM vs Aftermarket: Which Should I Choose?
I debated between OEM (Original Equipment Manufacturer) and aftermarket pumps. OEM pumps guarantee compatibility and quality since they’re made by Mercury or approved suppliers. However, they can be pricier. Aftermarket options can be more affordable but vary widely in quality. I opted for OEM because I wanted reliability and peace of mind, especially since fuel delivery is critical for smooth engine performance.
Key Features to Look For
When shopping, here are the features I prioritized:
- Compatibility: Confirm the pump matches the 1998 Mercury 15 Hp 2 Stroke model. Check part numbers if possible.
- Durability: Look for pumps made with high-quality diaphragm materials that resist wear and fuel corrosion.
- Ease of Installation: A plug-and-play design saved me time and hassle; some pumps come with the necessary fittings or clamps.
- Warranty: A warranty or return policy is a good sign of manufacturer confidence in their product.
Tools and Supplies Needed for Replacement
Before starting, I gathered a few tools: screwdrivers, pliers, fuel line clamps, and some marine grease. Having replacement fuel lines on hand is also wise in case the old ones are brittle or cracked.
Where to Buy the Fuel Pump
I found the best sources were:
- Authorized Mercury dealers or service centers
- Reputable marine parts retailers online (like MercuryPartsFinder or West Marine)
- Trusted marketplaces with good customer reviews
Always verify the seller’s reputation and ensure the pump is genuine to avoid counterfeit parts.
Installation Tips from My Experience
- Make sure the engine is off and fuel lines are depressurized before removal.
- Take pictures of the original setup so you can replicate it easily.
- Replace any worn fuel hoses or clamps during the process.
- After installation, prime the fuel pump and check for leaks before starting the engine.
Final Thoughts
Replacing the fuel pump on my 1998 Mercury 15 Hp 2 Stroke engine was a manageable DIY task once I had the right part and tools. Taking time to research and buy a quality, compatible fuel pump saved me from future breakdowns and kept my outboard running smoothly. I hope my guide helps you make an informed purchase and replacement!
Author Profile
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I’m Albert Spiller, the voice behind Ayujoy.com. My background blends communications, lifestyle writing, and years of hands-on product testing, but what drives me most is curiosity about the little things that make life smoother. Before starting this blog, I managed community wellness programs and wrote features for small-town magazines, where I learned how everyday items shape the way we live.
In 2025, I turned that experience into Ayujoy, a space where I share honest product reviews rooted in daily use rather than marketing hype. From home essentials to clever gadgets, I write with one goal in mind: to help readers feel confident about the choices they bring into their homes.
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