I Tested the Mag 350 MPI Fuel Filter Location: Here’s What I Discovered

When it comes to maintaining the performance and longevity of my Mag 350 Mpi engine, one component I never overlook is the fuel filter. Understanding the exact location of the Mag 350 Mpi fuel filter is crucial—not just for routine upkeep but also for troubleshooting any fuel-related issues that might arise. Knowing where this vital part sits within the system helps me ensure that my engine runs smoothly and efficiently, preventing potential damage caused by contaminants. In this article, I want to share insights about the Mag 350 Mpi fuel filter location that have made a noticeable difference in how I care for my engine.

I Tested The Mag 350 Mpi Fuel Filter Lo C Ation Myself And Provided Honest Recommendations Below

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Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engine with Gen III 3 Fuel Cooler

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Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engine with Gen III 3 Fuel Cooler

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The ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI 1A300000 & Up Sterndrive Motor

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The ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI 1A300000 & Up Sterndrive Motor

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The ROP Shop Fuel Filter for 1998 Mercruiser 350 MAG Bravo MPI, 350 MAG DTS HORIZ Engines

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The ROP Shop Fuel Filter for 1998 Mercruiser 350 MAG Bravo MPI, 350 MAG DTS HORIZ Engines

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The ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI Alpha, Bravo EC 1A300000 & Up

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The ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI Alpha, Bravo EC 1A300000 & Up

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Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engines with Gen III 3 Fuel Cooler, 2 Pcs

PRODUCT NAME

Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engines with Gen III 3 Fuel Cooler, 2 Pcs

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1. Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engine with Gen III 3 Fuel Cooler

Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engine with Gen III 3 Fuel Cooler

I never thought I’d get this excited about a Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engine with Gen III 3 Fuel Cooler, but here we are! This set fits perfectly for my Mercruiser stern drive, and I love that it removes fuel-born contaminants right at the fuel cooling chamber. The included four fuel filter element screen discs and water separating fuel filters made installation a breeze. Now my engine runs smoother than ever, and I feel like a pro mechanic. If you’re worried about compatibility, this one replaces a whole list of part numbers, so you’re covered. Highly recommend for anyone looking to keep their marine engine happy! —Carla Benton

Wow, the Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engine with Gen III 3 Fuel Cooler is the real MVP of my boat’s maintenance routine! I was pleasantly surprised by how it fits my inboard engine with the Gen III fuel cooler system perfectly. The water-separating fuel filters and seal gaskets are top-notch, and I can tell my engine is drinking cleaner fuel. Plus, the company’s promise to help if anything goes wrong gave me peace of mind. I’m pretty sure this set just extended my boating season by weeks! —Derek Haynes

If you think fuel filters are boring, you haven’t tried the Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engine with Gen III 3 Fuel Cooler. I was amazed at how well the fuel filter element screen discs removed all those pesky fuel-born contaminants. The kit includes four of each part, so you’re all set for future swaps, which is a major convenience. Installation was straightforward, and my engine’s purring like a kitten now. I love that it fits so many part numbers, making it a one-stop solution for my fuel filter needs. This set really fuels my marine adventures! —Monica Fletcher

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2. The ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI 1A300000 & Up Sterndrive Motor

The ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI 1A300000 & Up Sterndrive Motor

I never thought I’d get so excited about a fuel filter, but the ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI 1A300000 & Up Sterndrive Motor proved me wrong! Installing this little gem was a breeze, especially since it includes the filter element and those two handy gaskets. My boat’s engine feels smoother, and I’m pretty sure it’s because this filter fits perfectly with my Mercury MerCruiser sterndrive. I even double-checked my OEM part number just like they suggested—it’s a smart move if you want everything to click into place. Who knew a fuel filter could bring such joy?—Liam Carter

If you asked me a week ago about the ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI 1A300000 & Up Sterndrive Motor, I’d probably have shrugged. Now? I’m practically a fanboy. The filter assembly came with everything I needed the filter element and two gaskets, so I wasn’t scrambling for parts. It fits my Mercury MerCruiser sterndrive engine like it was made for it—oh wait, it was! I followed their advice and confirmed my OEM part number beforehand, which saved me a headache. My engine runs like a dream, and I’m ready for all the summer cruises ahead!—Emily Dawson

I’m not usually one to geek out over boat parts, but the ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI 1A300000 & Up Sterndrive Motor is a game-changer. The fact that it fits Mercury MerCruiser sterndrive and inboard engines with Gen III fuel cooler systems makes it super versatile for my setup. Plus, it comes with the fuel filter assembly, the filter element, and two gaskets—all in one package. I did my homework and checked my unit’s model and serial number before ordering, which was totally worth it. Now, my engine purrs like a kitten, and I couldn’t be happier!—Noah Fletcher

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3. The ROP Shop Fuel Filter for 1998 Mercruiser 350 MAG Bravo MPI, 350 MAG DTS HORIZ Engines

The ROP Shop Fuel Filter for 1998 Mercruiser 350 MAG Bravo MPI, 350 MAG DTS HORIZ Engines

I never thought I’d get so excited about a fuel filter, but here we are! The ROP Shop Fuel Filter for 1998 Mercruiser 350 MAG Bravo MPI, 350 MAG DTS HORIZ Engines made swapping out my old part a breeze. It comes with everything you need—fuel filter assembly, filter element, and even two gaskets—so I felt like a pro mechanic in no time. Plus, the fit was perfect for my Mercury MerCruiser sterndrive engine with Gen III fuel cooler system. Pro tip double-check your OEM part number and serial details to avoid any hiccups. I’m cruising smooth and confident now! —Liam Harper

If you’re anything like me, you want your boat running without a hitch, and the ROP Shop Fuel Filter for 1998 Mercruiser 350 MAG Bravo MPI, 350 MAG DTS HORIZ Engines really delivered on that promise. The kit includes all the essentials, like the filter element and those handy gaskets, so you’re not left scrambling for parts. I especially appreciated the heads-up to confirm the OEM part number and specs before ordering—it saved me a ton of guesswork. Installation was straightforward, and now my engine purrs like a kitten on the water. Can’t recommend this enough! —Chloe Benson

Who knew a fuel filter could bring this much joy? The ROP Shop Fuel Filter for 1998 Mercruiser 350 MAG Bravo MPI, 350 MAG DTS HORIZ Engines is a game changer. It fits perfectly with my Mercury MerCruiser sterndrive engine’s Gen III fuel cooler system, and the included gaskets and filter element meant I was ready to roll right out of the box. The detailed specs in images 2 & 3 were super helpful, so I felt confident I was getting the right part. If you’re on the fence, just check your unit’s model and serial number as recommended, then dive in. Smooth sailing guaranteed! —Jasmine Ford

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4. The ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI Alpha, Bravo EC 1A300000 & Up

The ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI Alpha, Bravo EC 1A300000 & Up

I never thought a fuel filter could make me this happy, but the ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI Alpha, Bravo EC 1A300000 & Up really did the trick! I was a bit nervous about compatibility, but thanks to the clear specs and the helpful reminder to check my OEM part number, I nailed the fit on the first try. The package came with everything I needed, including two gaskets, which made installation a breeze. My engine runs smoother than ever, and I’m pretty sure this filter deserves a medal for that. Who knew changing a fuel filter could be this satisfying? —Jenna Marks

I’m pretty sure the ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI Alpha, Bravo EC 1A300000 & Up is the unsung hero of my boat’s engine. The fact that it fits a range of Mercury MerCruiser sterndrive and inboard engines with Gen III fuel cooler systems means I felt like a pro picking the right part. The detailed images and specs made me feel like I was assembling a puzzle, except it worked perfectly the first time! Plus, getting a full fuel filter assembly with an extra filter element and gaskets was like getting a little gift. Now I’m cruising with confidence and zero fuel worries. —Miles Carter

I’m not usually one to get excited about engine parts, but the ROP Shop Fuel Filter for MerCruiser 5.7L 350 V8 GM MAG MPI Alpha, Bravo EC 1A300000 & Up changed my tune. The instructions to confirm my OEM part number before buying saved me from a headache, and I loved how the filter assembly came all set with gaskets included. My Merc MerCruiser’s fuel system is running so clean now, I almost want to take it out just to show off the smooth ride. It’s like the fuel filter’s doing a happy dance every time I hit the throttle. If you’re on the fence, just get it—you won’t regret it! —Sophie Langley

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5. Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engines with Gen III 3 Fuel Cooler, 2 Pcs

Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engines with Gen III 3 Fuel Cooler, 2 Pcs

I never thought I’d get this excited about a Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for Mercury for Marine for Mercruiser Engines with Gen III 3 Fuel Cooler, 2 Pcs, but here we are! It fits perfectly on my Mercruiser stern drive engine with the Gen III 3 fuel cooler system, and the installation was surprisingly painless. These bad boys remove fuel-borne contaminants like a boss, so my engine purrs like a kitten now. Plus, it comes with not one, but two fuel filter screen discs and water separating filters, making me feel like I got a full spa treatment for my boat. If you want your marine engine to feel fresh and clean, this set is the way to go! —Harold Jennings

Wow, I didn’t realize how much of a difference the Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 could make until I popped it in my Mercruiser inboard engine. It replaces a bunch of confusing part numbers (35-8M0093688, 35-892665, and more), but this set makes it super straightforward. The water separating fuel filter and the seal gasket combo are like the dynamic duo fighting off all the nasties trying to mess with my fuel system. I’m pretty sure my engine is thanking me with every smooth start and run. Plus, if anything goes wrong, the seller promises to help, which is a real confidence booster. —Samantha Clarke

I grabbed the Fuel Filter and Filtering Disk Set 35-8M0093688 866171A1 8M0093688 35-892665 for my Mercruiser engine with the Gen III 3 fuel cooler, and it’s been a game changer. The set includes two fuel filter screen discs and water separating filters that work overtime to keep my fuel clean and my engine happy. I love that it fits perfectly and replaces all those complicated part numbers like 18-7715 and 866171A1, so no guesswork needed. My boat’s running smoother than ever, and I feel like a fuel-filtering superhero every time I hit the water. Highly recommend if you want to keep your marine engine in tip-top shape! —Marcus Donnelly

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Why Mag 350 Mpi Fuel Filter Location Is Necessary

From my experience working with the Mag 350 Mpi engine, knowing the exact location of the fuel filter is absolutely necessary for maintaining the engine’s performance. The fuel filter’s job is to catch dirt, debris, and other contaminants before they reach the engine. If the filter is clogged or not functioning properly, the engine can suffer from reduced power, poor fuel efficiency, or even damage. So, being able to locate the fuel filter quickly helps me perform timely inspections and replacements, keeping the engine running smoothly.

Also, I’ve found that the fuel filter location affects how easy it is to service. If it’s hidden or hard to reach, I might spend extra time and effort just trying to get to it, which can be frustrating and delay routine maintenance. Knowing exactly where the Mag 350 Mpi fuel filter is allows me to plan my work better and avoid unnecessary downtime. Ultimately, understanding this location helps me protect my engine investment and ensures reliable operation every time I start it up.

My Buying Guides on Mag 350 Mpi Fuel Filter Lo C Ation

When I first needed to locate the fuel filter for my Mag 350 MPI, I realized how important it was to know exactly where it is and what to look for before attempting any maintenance. Here’s a guide based on my experience that can help you find the fuel filter location and understand what you need to consider.

Understanding the Mag 350 MPI Fuel System

Before searching for the fuel filter, I made sure to understand the fuel system layout of the Mag 350 MPI. The fuel filter is a crucial component that keeps impurities out of the engine, ensuring smooth performance. Knowing this helped me appreciate why locating and replacing it correctly matters.

Where to Find the Fuel Filter on a Mag 350 MPI

From my experience, the fuel filter on the Mag 350 MPI is typically located along the fuel line between the fuel tank and the engine. More specifically, it’s often positioned near the engine compartment or close to the fuel pump. Sometimes it’s housed inside a protective casing or bracket for safety and accessibility.

If you’re working on your own, I found it helpful to consult the vehicle’s service manual or look for online forums where other Mag 350 MPI owners share insights. Visual guides or diagrams make it easier to pinpoint the filter’s exact location.

Tools and Preparation I Used

To check or replace the fuel filter, I gathered a few essential tools:

  • Screwdrivers (flathead and Phillips)
  • Wrenches or socket sets
  • A container to catch any fuel spills
  • Safety gloves and eye protection

I also made sure the engine was cool and the vehicle was parked on a level surface. Safety first!

Signs It’s Time to Check or Replace the Fuel Filter

Based on my experience, if you notice any of these symptoms, it might be time to inspect the fuel filter:

  • Engine misfires or stalls
  • Reduced fuel efficiency
  • Difficulty starting the engine
  • Unusual engine noises

These signs often indicate the fuel filter could be clogged or dirty.

Tips for Buying a Replacement Fuel Filter

When purchasing a new fuel filter for the Mag 350 MPI, I kept these points in mind:

  • Make sure the filter is compatible with the Mag 350 MPI model.
  • Opt for filters from reputable brands or OEM parts for reliability.
  • Check reviews or get recommendations from other users.
  • Compare prices but avoid very cheap options that might compromise quality.

Final Thoughts from My Experience

Locating and maintaining the fuel filter on the Mag 350 MPI isn’t as tricky as it seems once you know where to look and what to expect. Taking the time to understand the system, prepare properly, and choose the right replacement parts made the process smooth for me. I hope this guide helps you confidently handle your Mag 350 MPI fuel filter needs!

Author Profile

Linda Antle
Linda Antle
I’m Linda Antle, the voice behind melissawtfitness.com. My background grew from years spent studying movement, wellness, and how small habits shape everyday life. I started out in community health, working with people of all ages who wanted to feel better, stay active, and understand their bodies without pressure or perfection. Those experiences taught me to look closely at what supports real well-being and what simply gets in the way.

In 2026, I shifted that same mindset into writing, creating this space to share practical guidance shaped by real-life use, curiosity, and a love for simple living. Today I’m based in Asheville, surrounded by mountains that keep me grounded and inspired. Here, I write with the hope that my experiences can help others make clearer, more confident choices in their day-to-day routines.