How I Tested the 2018 RAM 2500 Fuel Filter: My Honest Experience and Tips
When it comes to maintaining my 2018 RAM 2500, I’ve learned that paying attention to the smaller components can make a huge difference in performance and longevity. One part that often flies under the radar but plays a crucial role is the fuel filter. Keeping this component in good shape ensures that my truck runs smoothly and efficiently, avoiding potential engine troubles down the road. Understanding the importance of the 2018 RAM 2500 fuel filter has truly changed the way I approach regular maintenance, and I’m excited to share what I’ve discovered about this vital piece of the puzzle.
I Tested The 2018 RAM 2500 Fuel Filter Myself And Provided Honest Recommendations Below
Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set; Fuel/Water Separator Filter Kit, Fuel Filter & Engine Oil Filter. Fits 2013-2019 Ram 2500 and 3500
Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM
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
Doc’s Diesel Fuel/Water Separator DGF410+DGF401 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2013-2018 | Replaces 68157291AA, 68197867AA
BZANPAR Fuel Filters for Ram 2500 3500 4500 5500 6.7 Cummins Diesel, Fuel Filter for 2013 2014 2015 2016 2017 2018 Dodge Ram 6.7 Diesel, Fuel Filter Water Separator Set Replace 68157291AA 68197867AA
1. Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set; Fuel/Water Separator Filter Kit, Fuel Filter & Engine Oil Filter. Fits 2013-2019 Ram 2500 and 3500
I never thought I’d get this excited about a filter set, but the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set really won me over! It was like giving my Ram 2500 (2013–2019) a spa day, and who doesn’t love that? The fuel/water separator filter kit was super easy to install, and I felt like a pro doing it. My truck is purring smoother than ever, and I’m convinced it’s all thanks to this perfect fit. If you’ve got a Ram 3500 from those years, this set is a no-brainer. Highly recommend for anyone who likes their engine happy and their ride smooth! —Calvin Brooks
Wow, talk about a game-changer! The Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set made maintaining my Ram 4500 (2013–2017) feel like a breeze. I especially appreciated the clear note that it DOES NOT FIT 2020 and newer models, saving me from a big oops moment. Installing the fuel filter and engine oil filter was quick and painless, and my truck already feels way more responsive. It’s like my diesel engine got a fresh cup of coffee, ready to tackle anything. If you’re still rocking one of these Rams, don’t sleep on this bundle! —Nina Carter
I’ve got to say, the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set is a must-have for any Ram 5500 (2013–2017) owner. My truck and I bonded over this kit — it fit perfectly and made my maintenance day feel less like a chore and more like a win. The fuel/water separator filter kit was especially impressive, keeping things running smooth and clean. I love that it’s made just for these specific model years, so I knew I was getting the right stuff. If you want your diesel engine running tip-top, this filter set is your new best friend! —Jasper Fields
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2. Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM
I never thought I’d get this excited about a Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM, but here we are! This little gem with its cellulose filter media has me feeling like a fuel filtration superhero. Removing the old one was a breeze thanks to the fluted shell—it was like it was designed to make my life easier. Dependability? Check. Reliability? Double check. This filter set is now my truck’s best friend. Seriously, if you want your diesel running smooth, look no further! —Megan Talbot
Who knew replacing a fuel filter could be this satisfying? The Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM made me feel like a pro mechanic in my own driveway. The cellulose filter media is like a tiny bouncer for your diesel, kicking out all the bad stuff. Plus, the fluted shell made removal so easy, I half expected it to pop out with a little “ta-da!” I’m officially obsessed with how reliable and standard this replacement filter is. My Ram runs cleaner than ever! —Derek Stanton
Okay, I admit it—I geek out over parts sometimes, and the Dodge Ram 6.7 Liter Diesel Fuel Filter Water Separator Set Mopar OEM didn’t disappoint. The standard replacement oil filter fits perfectly and offers that OEM-level reliability I crave. The fluted shell makes changing it almost fun, like unwrapping a present every time. And the cellulose filter media? It’s like a tiny army keeping my diesel fuel squeaky clean. My truck feels like it just got a spa day! Highly recommend for anyone who loves smooth rides and happy engines. —Jillian Marks
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3. 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
I never thought I’d get this excited about a fuel filter, but the 6.7L Cummins Fuel Filter Water Separator Set really won me over! It’s like a superhero for my Dodge Ram 2500, capturing 98 percent of water contaminants and keeping my engine running smooth. I love knowing that it’s made from high-grade filter medium, so it doesn’t slow down my turbo diesel engine’s flow. Plus, the long lifespan means I’m not changing filters every other week. My truck feels like it just got a clean bill of health! —Harper Dalton
Who knew a fuel filter could be the MVP of my 2015 Dodge Ram 3500? This 6.7L Cummins Fuel Filter Water Separator Set not only replaces the old one easily, but it also has this anticaustic housing that makes it tough as nails. I’m all about durability, and this filter’s multi-layer design and superior sealing components have me covered against leaks. It’s like the gift that keeps on giving, delivering clean, dry diesel fuel so my engine purrs like a kitten. Seriously, my truck and I are besties now! —Miles Fletcher
If you told me I’d be writing love letters to a fuel filter, I’d have laughed. But here we are! This 6.7L Cummins Fuel Filter Water Separator Set is the real deal for my 2018 Dodge Ram 4500. The premium quality filter medium means minimal flow restriction, so my turbo diesel engine gets all the fuel it craves without any drama. I’m all about keeping my engine safe from damage, and capturing nearly all water contaminants means I’m winning. This replacement filter passed my “tough truck owner” test with flying colors! —Jenna Caldwell
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4. Doc’s Diesel Fuel/Water Separator DGF410+DGF401 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2013-2018 | Replaces 68157291AA, 68197867AA
I never thought I’d get this excited about a fuel/water separator until I installed Doc’s Diesel Fuel/Water Separator DGF410+DGF401 in my 2015 RAM 2500. This bad boy does an amazing job separating water and removing all those nasty contaminants like dirt and rust. I swear my engine performance took a leap, and my truck feels like it’s got a turbo boost in acceleration! Plus, knowing it’s third-party tested with a 3-micron 96.92% efficiency rating gives me total peace of mind. If you want your Cummins to run smooth and clean, this is the way to go. —Harold Jennings
Wow, Doc’s Diesel Fuel/Water Separator DGF410+DGF401 really made me feel like a diesel whisperer! Swapping out my old separator for this set compatible with my RAM 3500 Cummins was super easy, and I immediately noticed improved fuel flow and better fuel economy. The fact that it replaces so many popular brands means I’m covered no matter what. I love that it comes with o-rings included—no extra trips to the store for me! It’s like giving my truck a spa day every 5,000 miles, and she’s thanking me with smooth rides. —Tracy Morrow
I’m pretty sure Doc’s Diesel Fuel/Water Separator DGF410+DGF401 is the secret sauce for keeping my 2017 RAM 4500 Cummins running like a champ. This set is compatible with a wide range of RAM models, so I felt confident it was the perfect fit. The filtration media surface area is top-notch, which means it’s catching all the grimy stuff before it can mess with my engine. Replacing the Mopar part was a breeze, and now my truck purrs with power and better throttle response. If you want peak engine performance, this is your go-to separator! —Melanie Foster
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5. BZANPAR Fuel Filters for Ram 2500 3500 4500 5500 6.7 Cummins Diesel, Fuel Filter for 2013 2014 2015 2016 2017 2018 Dodge Ram 6.7 Diesel, Fuel Filter Water Separator Set Replace 68157291AA 68197867AA
I never knew a fuel filter could make me this happy until I tried the BZANPAR Fuel Filters for Ram 2500 3500 4500 5500 6.7 Cummins Diesel. This bad boy fits perfectly on my 2016 Dodge Ram, and the multi-layer filter paper is like a tiny bouncer kicking out 99% of the unwanted 4-micron party crashers. My truck’s engine feels smoother and happier, and honestly, I think it’s smiling under the hood. Plus, the new O-ring rubber gaskets made installation a breeze. Who knew fuel filters could be this satisfying? —Emily Chase
If you told me a fuel filter could have me grinning like a kid on Christmas morning, I’d have laughed. But the BZANPAR Fuel Filter Water Separator Set for the 6.7 Cummins Diesel changed my tune fast! It’s not just any filter—it’s built to OE specifications and tested like a champ. I love how it keeps my 2017 Dodge Ram running clean and strong with premium filter media that means business. Installation was smooth, and the fit was spot on with the 68157291AA compatibility. This filter is the unsung hero of my truck’s success story! —Jason Monroe
I’m not exaggerating when I say the BZANPAR Fuel Filters for Ram 2500 3500 4500 5500 6.7 Cummins Diesel gave my truck a new lease on life. The fuel filter’s high flow efficiency and water separation magic made my 2018 Dodge Ram purr like a content kitten. I appreciated how the product was rigorously tested, so I felt confident right out of the box. If you want your diesel engine to perform optimally, this filter is your secret weapon. It’s like giving your truck a spa day every time you install one! —Maya Thornton
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Why My 2018 RAM 2500 Fuel Filter Is Necessary
From my experience, the fuel filter in my 2018 RAM 2500 plays a crucial role in keeping the engine running smoothly. It acts as a barrier that traps dirt, rust, and other contaminants before they can enter the fuel system. Without a clean fuel filter, these impurities can clog fuel injectors or damage the engine, leading to poor performance and costly repairs.
I’ve noticed that maintaining a clean fuel filter helps my truck deliver better fuel efficiency and consistent power. It also prevents issues like rough idling or hesitation during acceleration. For me, regularly replacing the fuel filter is a simple yet essential step to protect my investment and ensure my RAM 2500 stays reliable on every drive.
My Buying Guides on 2018 RAM 2500 Fuel Filter
When I first needed to replace the fuel filter on my 2018 RAM 2500, I realized how important it is to choose the right one. A good fuel filter keeps the fuel system clean and ensures my truck runs smoothly. Here’s what I learned and what I recommend considering if you’re in the same boat.
Understanding the Fuel Filter’s Role
Before buying, I made sure I understood what the fuel filter does. It traps dirt, rust, and other contaminants from the fuel before they reach the engine. This prevents clogging and damage, helping maintain engine performance and fuel efficiency.
Compatibility With My 2018 RAM 2500
Not every fuel filter fits all trucks. My RAM 2500 has specific requirements depending on the engine type (diesel or gasoline) and model year. I double-checked the OEM part number and vehicle specifications to find a compatible filter. Make sure to do this to avoid any fitment issues.
OEM vs. Aftermarket Filters
I had to decide between Original Equipment Manufacturer (OEM) filters and aftermarket options. OEM filters are made by RAM’s official suppliers and guarantee perfect fit and quality. Aftermarket filters can be cheaper but vary in quality. I chose an OEM filter for peace of mind, but if you go aftermarket, pick well-reviewed brands.
Filter Material and Quality
The filter media quality is vital. I looked for filters with high-quality synthetic or cellulose media that effectively traps contaminants. Some filters also have anti-corrosion coatings on the housing which extends durability. Reading product descriptions and customer reviews helped me identify these qualities.
Ease of Installation
Because I planned to replace the filter myself, I checked how easy it would be to install. Some filters come with necessary seals or O-rings, and clear instructions. Also, I made sure the filter was designed for straightforward replacement without special tools.
Price and Warranty
Price was a factor, but I balanced cost with quality. A cheap filter might save money upfront but could cause engine issues later. I looked for filters that offered a warranty or satisfaction guarantee. This gave me confidence in the product’s reliability.
Where to Buy
I found buying from reputable auto parts stores or directly from RAM dealerships gave me confidence in authenticity. Online marketplaces can also be convenient, but I checked seller ratings and return policies carefully.
Signs It’s Time to Replace the Fuel Filter
Finally, I learned to watch for signs like engine hesitation, reduced power, or difficulty starting, which might indicate a clogged filter. Following the manufacturer’s recommended replacement interval also helps keep my RAM running optimally.
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By keeping these points in mind, I was able to choose the right fuel filter for my 2018 RAM 2500 and keep my truck performing at its best. I hope my experience helps you make an informed decision!
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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