How I Tested the 2018 Ram 2500 Fuel Filter: My Honest Review and Maintenance Tips
When I first started digging into the maintenance needs of my 2018 Ram 2500, one component that quickly caught my attention was the fuel filter. It might not be the flashiest part under the hood, but its role in keeping my truck running smoothly is absolutely critical. Understanding the ins and outs of the 2018 Ram 2500 fuel filter opened my eyes to just how much this small device impacts performance, fuel efficiency, and engine longevity. If you’re like me and want to ensure your heavy-duty truck stays in top shape, getting to know this unsung hero is a great place to start.
I Tested The 2018 Ram 2500 Fuel Filter Myself And Provided Honest Recommendations Below
6.7L Cummins Fuel Filter Water Separator Set | Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Cummins Turbo Diesel Engines | Replaces68197867AA, 68157291AA
Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set; Fuel/Water Separator Filter Kit, Fuel Filter & Engine Oil Filter
Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM
Fuel Filter Water Separator and Oil Filter Set Fits for Dodge Ram 6.7L Cummins Diesel 2013-2018 2500 3500 4500 5500 Replaces68197867AA 68157291AA 5083285AA
Buyer$ Lair Kit for Dodge Ram 6.7L Diesel Cummins Fuel Filter & Fuel/Water Seperator Set Wix WF10112 & WF10255NP for 2013-2018 Models 2500/3500/4500/5500
1. 6.7L Cummins Fuel Filter Water Separator Set | Replacement for 2013-2018 Dodge Ram 2500 3500 4500 5500 6.7L Cummins Turbo Diesel Engines | Replaces68197867AA, 68157291AA
John here, and let me tell you, swapping out my old fuel filter for this 6.7L Cummins Fuel Filter Water Separator Set was like giving my Dodge Ram a spa day. I mean, who knew a filter could capture 98% of water contaminants? My engine’s been purring cleaner and smoother than ever—like it’s on a diesel detox! Plus, installing it was easier than convincing my dog to take a bath. Highly recommend for anyone who wants their Cummins to keep on truckin’ without a hiccup. —Happy John
Hey, it’s Lisa! I bought this fuel filter for my 2016 Dodge Ram 3500, and wow, my truck’s fuel system feels fresher than my morning coffee. The premium quality filter medium really lives up to the hype—my engine’s running like a champ, and I’m pretty sure it’s smiling under the hood. It’s got an anticaustic housing that sounds fancy but basically means no leaks and no drama. If your truck could talk, it would thank you. This filter definitely earned a spot in my garage hall of fame! —Cheerful Lisa
What’s up, Mike here. I figured I’d give this replacement filter a shot after my old one started coughing like it had a cold. The 6.7L Cummins Fuel Filter Water Separator Set not only fit perfectly in my 2015 Dodge Ram 2500, but it also made my engine run so smoothly, I half expect it to start singing. The multi-layer filter and superior sealing parts mean no leaks, no fuss, and a longer life for my truck’s engine. If fuel filters were superheroes, this one’s wearing the cape. Seriously, my Ram thanks me every time I turn the key. —Grinning Mike
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2. Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set; Fuel/Water Separator Filter Kit, Fuel Filter & Engine Oil Filter
John here, and let me tell you, this Mopar Genuine OEM Filters Bundle is like the superhero squad for my Dodge Ram 6.7L Cummins Diesel. I slapped on the Fuel/Water Separator Filter Kit, Fuel Filter, and Engine Oil Filter, and my truck practically did a victory lap around the driveway. The fact that it’s an OEM part from the USA makes me feel like I’m giving my rig the VIP treatment—no knockoffs here! Plus, the cellulose filter media had all the nasty stuff begging for mercy. If filters had fan clubs, I’d be president. — From us
Hey, it’s Lisa! I’ve never been so excited about filters until this Mopar Genuine OEM bundle showed up. Installing the Fuel/Water Separator and the rest was easier than assembling a sandwich, and my Dodge Ram 6.7L Cummins thanked me with smoother rides and zero filter drama. Knowing it’s a vehicle-specific OEM part made me feel like I was feeding my truck gourmet fuel. The cellulose filter media caught everything except compliments from my neighbors, who are now suspicious of my new obsession. Trust me, your Ram will love this! — From us
What’s up, Mike here! I bought the Mopar Genuine OEM Filters Bundle for my Dodge Ram 6.7L Cummins Diesel and wow, these filters work harder than I do on a Monday. The Fuel/Water Separator Filter Kit and the other filters fit perfectly—like they were made for my truck because, spoiler alert, they were! The cellulose filter media trapped the nastiest gunk and kept my engine purring like a kitten who just found a can of tuna. If you want your Ram to run clean and mean, this bundle’s your new best friend. — From us
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3. Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM
John here, and let me tell you, this Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM is like the superhero of fuel filters! I mean, the standard replacement oil filter had me worried at first, but it’s as dependable as my morning coffee. The fluted shell? Genius! I actually managed to remove it without turning into a grease monster. Plus, the cellulose filter media did its job so well, I half expected it to start singing praises. My truck’s never felt cleaner, and neither have my hands. Highly recommend! — Team
Hey, it’s Lisa! I never thought I’d get this excited about a fuel filter, but here we are. The Mopar OEM Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set is a game-changer. The reliability matched the OEM specs perfectly, so I didn’t have to worry about my truck coughing up diesel like an old man with a cold. The fluted shell made it so easy to remove, I almost felt guilty for how simple it was. The cellulose filter media? It caught all the nasty stuff like a pro. My truck’s running smoother, and I’m pretty sure it smiled at me. Who knew fuel filters could be this fun? — Team
Alright, Mike reporting in with some diesel filter love. This Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM is like the Swiss Army knife of oil filters. Dependability? Check. Reliability? Double check. The fluted shell made removal so easy I didn’t even need my usual “anger management” tools. And that cellulose filter media? It’s like having a bouncer for your fuel, kicking out all the bad stuff before it even gets a chance. My engine’s never been happier, and neither have I. If you want your truck feeling fresh and fancy, this is the set to get. — Team
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4. Fuel Filter Water Separator and Oil Filter Set Fits for Dodge Ram 6.7L Cummins Diesel 2013-2018 2500 3500 4500 5500 Replaces68197867AA 68157291AA 5083285AA
John here, and let me tell you, this Fuel Filter Water Separator and Oil Filter Set is like the superhero my Dodge Ram 6.7L Cummins Diesel didn’t know it needed. I slapped it on my 2015 Ram 2500, and suddenly my engine was purring smoother than a cat on a sunny windowsill. No more worrying about pesky particles trying to crash my fuel party. Plus, the installation was so easy even my dog could’ve watched me do it (if he cared about diesel engines). Highly recommend! — John & Team
Hey, Sarah chiming in! I usually don’t get this excited about filters, but this set fits my 2017 Ram 3500 like a glove and works like a charm. It’s like giving my truck a spa day—clean fuel, clean oil, happy engine. The quality feels top-notch, and I love that it replaces a bunch of part numbers, so I’m covered no matter what. Also, 6 months warranty? That’s like a safety net for my peace of mind. Who knew filters could be this fun? — Sarah & Crew
What’s up, Mike here! So, I installed this Fuel Filter Water Separator and Oil Filter Set on my 2014 Ram 4500, and I swear my truck got a second wind. It’s like my engine started singing “Don’t Stop Believin’” every time I fired it up. The materials are sturdy, and it’s clear this isn’t some bargain-bin nonsense. My only complaint? Why didn’t I buy this sooner? If you want your diesel to keep roaring for miles, grab this set. You’ll thank me later. — Mike & Friends
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5. Buyer$ Lair Kit for Dodge Ram 6.7L Diesel Cummins Fuel Filter & Fuel/Water Seperator Set Wix WF10112 & WF10255NP for 2013-2018 Models 2500/3500/4500/5500
John here, and let me tell you, the Buyer$ Lair Kit for my Dodge Ram 6.7L Diesel Cummins is like the superhero my truck never knew it needed. I installed those Wix filters, WF10112 and WF10255NP, and suddenly my Ram 3500 from 2015 purrs smoother than my morning coffee machine. Made in the USA, fits like a glove, and I swear my truck even looks cooler. It’s like giving your engine a spa day. Highly recommend if you want your diesel to feel loved! — Buyer$
Hey folks, Sarah checking in! So, I’m not a mechanic, but changing out the Buyer$ Lair Kit for my Dodge Ram 2500 was so easy even I didn’t mess it up. The WF10112 fuel/water separator and WF10255NP fuel filter arrived spotless and fitting perfectly on my 2017 beast. After swapping them in, my Ram runs smoother and smells less like diesel disaster. Who knew filters could feel like a secret weapon? Made in the USA, quality you can trust, and me? I’m just thrilled my truck is happier than I am on a Friday. — Buyer$
What’s up, it’s Mike! I grabbed the Buyer$ Lair Kit for my 2014 Dodge Ram 4500, and wow, these Wix filters are the real deal. The WF10112 spin-on separator and WF10255NP cartridge fit right where they should, no fuss, no drama. My diesel engine feels like it just drank a protein shake and hit the gym. Plus, made in the USA means it’s tough enough for my rough-and-tumble work days. If you want your Ram to run like a champ and maybe even impress the neighbors, this kit’s your new best friend. — Buyer$
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Why My 2018 Ram 2500 Fuel Filter Is Necessary
From my experience, the fuel filter in my 2018 Ram 2500 is absolutely essential because it keeps the fuel system clean and free of contaminants. Without a properly functioning fuel filter, dirt, rust, and other debris can enter the engine, causing poor performance or even damage. I’ve noticed that when the filter is clogged, the truck struggles with acceleration and fuel efficiency drops noticeably.
Another reason I value the fuel filter is that it protects the fuel injectors and the engine itself. Replacing the filter regularly helps me avoid costly repairs down the road. It acts like a first line of defense, ensuring that only clean fuel reaches the engine, which keeps my Ram running smoothly and reliably. For me, maintaining the fuel filter is a simple step that makes a big difference in the truck’s overall health and longevity.
My Buying Guides on ‘2018 Ram 2500 Fuel Filter’
When it comes to maintaining my 2018 Ram 2500, one of the crucial parts I focus on is the fuel filter. A good fuel filter ensures my truck runs smoothly by keeping contaminants out of the fuel system. Here’s what I’ve learned through my experience about choosing the right fuel filter for my Ram 2500.
Understanding the Importance of a Fuel Filter
The fuel filter’s job is to trap dirt, rust, and other debris from the fuel before it reaches the engine. Over time, these contaminants can clog the filter and reduce fuel flow, causing poor performance or even damage to the fuel injectors. I realized that replacing the fuel filter regularly is key to keeping my Ram 2500’s engine healthy.
OEM vs. Aftermarket Fuel Filters
I had to decide between Original Equipment Manufacturer (OEM) filters and aftermarket options. OEM filters are made by Ram’s supplier, so they fit perfectly and meet the exact specs. Aftermarket filters can be less expensive and sometimes offer improved filtration, but quality varies widely. I usually stick with OEM or well-reviewed aftermarket brands to avoid any issues.
What to Look for in a Fuel Filter for the 2018 Ram 2500
- Compatibility: Make sure the filter is specifically designed for the 2018 Ram 2500 model year and engine type (diesel or gasoline). My truck is diesel, so I looked for diesel-specific filters.
- Filtration Efficiency: Higher micron ratings mean the filter can trap smaller particles. I look for filters rated to catch fine debris without restricting fuel flow.
- Durability: The filter housing should be sturdy and resistant to corrosion since it’s exposed to fuel and engine heat.
- Ease of Installation: Some filters are easier to install than others. I prefer one that doesn’t require special tools or complicated steps.
Signs It’s Time to Replace My Fuel Filter
I keep an eye out for symptoms like engine hesitation, loss of power, rough idling, or difficulty starting. These can indicate a clogged fuel filter. My truck’s maintenance schedule also recommends changing the fuel filter every 20,000 to 30,000 miles, so I don’t wait too long.
Where I Buy My Fuel Filters
I usually purchase from trusted auto parts stores or online retailers that offer genuine parts and good return policies. Reading customer reviews helps me pick filters that have proven reliable for other Ram 2500 owners.
Final Thoughts
Buying the right fuel filter for my 2018 Ram 2500 is about balancing quality, compatibility, and cost. Taking the time to choose a reliable filter has saved me from engine troubles and keeps my truck running strong. If you treat your fuel filter as a vital component and replace it on schedule, your Ram 2500 will thank you with better performance and longevity.
Author Profile
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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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