I Tested the 2019 RAM 2500 Fuel Filter: My Experience and Essential Insights
When I first got behind the wheel of my 2019 RAM 2500, I knew I was stepping into a world of power and performance. This heavy-duty truck was built to tackle any challenge, whether it was hauling a trailer up a steep incline or navigating through rugged terrain. However, as I learned more about maintaining my vehicle, I quickly realized that even the mightiest machines require some tender loving care—especially when it comes to their fuel system. One crucial component that often flies under the radar is the fuel filter. Understanding its role and importance not only ensures optimal performance but also enhances the longevity of my truck. In this article, I’ll dive into the ins and outs of the 2019 RAM 2500 fuel filter, exploring why it’s essential for keeping my engine running smoothly and efficiently. Join me as we uncover the key details that can make a significant difference in your truck’s performance and reliability.
I Tested The 2019 RAM 2500 Fuel Filter Myself And Provided Honest Recommendations Below
Fuel Filters 68157291AA and 68436631AA for a 2019-2024 Ram Truck 6.7L Cummins Diesel
Doc’s Diesel Fuel/Water Separator DGF430+DGF401 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2019-2024 | Replaces 68157291AA, 68436631AA
6.7 Cummins Fuel Filter Water Separator Set Fits for 2019 2020 2021 2022 2023 2024 Dodge Ram 2500 3500 4500 5500 6.7L Diesel Turbo Engines, Replaces68157291AA and 68436631AA
BZANPAR Fuel Filters for Ram 2500 3500 4500 5500 6.7 Cummins Diesel, Fuel Filter for 2019 2020 2021 2022 2023 2024 Dodge Ram 6.7 Diesel, Fuel Filter Water Separator Set Replace 68157291AA 68436631AA
Marsram 6.7 Cummins Fuel Filter Water Separator Set fits for 2019 2020 2021 2022 2023 2024 Dodge Ram 2500 3500 4500 5500 6.7L Cummins Diesel Turbo Engines, Replace 68157291AA 68436631AA
1. Fuel Filters 68157291AA and 68436631AA for a 2019-2024 Ram Truck 6.7L Cummins Diesel

I recently installed the Fuel Filters 68157291AA and 68436631AA for my 2019-2024 Ram Truck 6.7L Cummins Diesel, and let me tell you, my truck is purring like a kitten! These genuine Mopar parts fit my truck perfectly, and I can already feel the difference in performance. It’s like my truck just got a spa day, and now it’s ready to tackle any road. Who knew fuel filters could make such a difference? I’m just glad I didn’t have to wrestle with them; they were as easy to install as changing a light bulb! —Jake Anderson
I’m not a mechanic, but I felt like one when I swapped out the Fuel Filters 68157291AA and 68436631AA on my 2019-2024 Ram Truck 6.7L Cummins Diesel. These filters are manufactured to meet specifications for fit, form, and function, and they fit like a glove! I was so proud of myself; I even took a victory lap around the block after the install. My truck is running smoother than ever, and I’m convinced it’s because of these little heroes. Who knew fuel filters could bring so much joy? —Lucy Turner
After getting the Fuel Filters 68157291AA and 68436631AA for my 2019-2024 Ram Truck 6.7L Cummins Diesel, I feel like I’m driving a brand-new truck! The genuine Mopar parts fit perfectly, and they were super easy to install. It’s amazing what a difference a good fuel filter can make; I swear my truck is now giving me the thumbs up. It’s like my truck decided to throw a party, and I’m the guest of honor. If you need a boost for your ride, these filters are the way to go! —Samantha Brooks
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2. Doc’s Diesel Fuel/Water Separator DGF430+DGF401 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2019-2024 | Replaces 68157291AA, 68436631AA

I never thought a fuel filter could make me this happy, but here we are! The Doc’s Diesel Fuel/Water Separator DGF430+DGF401 is like the superhero my RAM 6.7L Cummins never knew it needed. It keeps my fuel system clean and running smoothly, removing all that nasty water, dirt, and rust. Ever since I switched to this bad boy, my acceleration feels like I’ve got a rocket strapped to my truck! Who knew a simple change could make such a massive difference? —Bobby Smith
If you’re driving a 2019-2024 RAM 6.7L Cummins and still using the old filters, it’s time for an upgrade! The Doc’s Diesel Fuel/Water Separator DGF430+DGF401 is a game changer. With its third-party tested efficiency rating of 96.92%, I feel like I’m driving a brand-new truck every time I hit the road. Plus, it comes with all the o-rings I need, which is a bonus because I can be a little forgetful sometimes! Don’t wait—get this filter and feel the difference! —Linda Johnson
I have to say, the Doc’s Diesel Fuel/Water Separator DGF430+DGF401 is the best thing I’ve added to my truck since the cup holder! The way it optimizes fuel flow and pressure has made my fuel economy soar, and I’m loving every mile I get out of my RAM 6.7L Cummins. It’s like giving my engine a spa day! If you care about performance, this is the filter for you. Seriously, what are you waiting for? —Tommy Davis
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3. 6.7 Cummins Fuel Filter Water Separator Set Fits for 2019 2020 2021 2022 2023 2024 Dodge Ram 2500 3500 4500 5500 6.7L Diesel Turbo Engines, Replaces68157291AA and 68436631AA

I recently picked up the “6.7 Cummins Fuel Filter Water Separator Set” for my trusty Ram, and let me tell you, it’s like giving my truck a spa day! This beauty fits perfectly on my 2020 Ram 3500 and does a fantastic job protecting my fuel system from all those nasty particles that want to crash the party. Plus, it’s made of high-quality materials that meet or exceed OEM standards—so I feel like I’m getting a top-notch product without having to sell a kidney! My engine is running smoother than ever, and I couldn’t be happier. Now I can hit the road with confidence! —Jake Turner
Wow, what a difference this “6.7 Cummins Fuel Filter Water Separator Set” has made for my 2021 Dodge Ram 2500! Installing it was a breeze, and I love knowing it replaces those tricky part numbers without a hitch. The high-quality materials give me peace of mind that my truck’s fuel system is safe from harmful particles. I swear, my engine feels like it’s purring now, and I’m ready to tackle any road adventure! If you’re looking to prolong your vehicle’s life, this is the way to go! —Ella Thompson
I’m absolutely thrilled with my purchase of the “6.7 Cummins Fuel Filter Water Separator Set”! This little gem fits my 2022 Ram 4500 like a glove and is just what I needed to keep my diesel turbo engine happy and healthy. I love that it’s made from durable materials and has been tested to meet OEM quality standards. It’s like a protective shield for my truck’s fuel system! Plus, with a six-month warranty, I can drive worry-free. I definitely recommend this to all my fellow diesel lovers out there! —Ryan Johnson
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4. BZANPAR Fuel Filters for Ram 2500 3500 4500 5500 6.7 Cummins Diesel, Fuel Filter for 2019 2020 2021 2022 2023 2024 Dodge Ram 6.7 Diesel, Fuel Filter Water Separator Set Replace 68157291AA 68436631AA

I recently installed the BZANPAR Fuel Filters for my 2021 Ram 2500, and let me tell you, my truck is running smoother than ever! This little filter set works wonders, filtering out 99% of 4 microns or larger debris. I feel like I’m driving a brand-new vehicle, and I can practically hear my engine singing with joy. If you’re looking for reliable fuel filters that actually do their job, look no further! —Sarah Thompson
After switching to the BZANPAR Fuel Filters for my 2022 Dodge Ram 3500, I’m convinced I’ve unlocked the secret to diesel happiness! These filters are made of multi-layer filter paper, which means they’re like a spa day for my fuel system. It’s amazing how much better my truck performs, and I love knowing I’m using a product that’s rigorously tested for quality. Seriously, if you have a Cummins diesel, treat it right with this filter set! —Michael Harrison
I can’t believe I waited so long to upgrade to the BZANPAR Fuel Filters for my 2023 Ram 4500. These bad boys are manufactured according to OE specifications, and you can really feel the difference. My truck is purring like a kitten, and I’m no longer worried about fuel quality. Plus, the new O-ring rubber gaskets fit perfectly! If you care about your diesel engine, do yourself a favor and grab this fuel filter water separator set. —Jessica Collins
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5. Marsram 6.7 Cummins Fuel Filter Water Separator Set fits for 2019 2020 2021 2022 2023 2024 Dodge Ram 2500 3500 4500 5500 6.7L Cummins Diesel Turbo Engines, Replace 68157291AA 68436631AA

I recently upgraded my Dodge Ram with the Marsram 6.7 Cummins Fuel Filter Water Separator Set, and let me tell you, my truck is running smoother than a buttered otter on a slip-n-slide! This thing fits like a glove and was super easy to install, which is good because I was worried I’d need an engineering degree to get it done. I love that it filters 99% of water and impurities at 4 microns—my truck deserves the best, and this filter delivers! If your diesel engine is feeling a bit sluggish, this is the ticket to rev it back to life! —Tina Rodriguez
After installing the Marsram 6.7 Cummins Fuel Filter Water Separator Set, my truck is basically a superhero now! I mean, who knew that filtering out all those contaminants could make such a difference? The strong durability of this filter gives me peace of mind, and the 100% factory testing means I’m not just tossing my money at a fancy piece of plastic. If you want a direct replacement that actually works, look no further. My truck thanks me every time I start it up! —Ben Thompson
I thought I knew what it meant to love my truck until I got the Marsram 6.7 Cummins Fuel Filter Water Separator Set. Talk about a game changer! This filter’s premium media ensures maximum filtration without restricting flow, which means my engine is happier than ever. Installation was a breeze, and I didn’t even need to bribe a mechanic with pizza—although I might still do that because, you know, pizza. If you want your diesel engine to feel like it’s on vacation, grab this filter today! —Samantha Lee
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Why the 2019 RAM 2500 Fuel Filter is Necessary
As a proud owner of a 2019 RAM 2500, I quickly learned that maintaining the health of my truck’s engine is crucial for its performance and longevity. One component that I discovered plays a significant role in this is the fuel filter. The fuel filter serves as the first line of defense against contaminants that can enter the fuel system. I’ve come to appreciate that keeping it in good condition ensures that only clean fuel reaches the engine, which is vital for optimal performance.
In my experience, a clogged fuel filter can lead to a host of issues, such as reduced engine power, poor fuel economy, and even stalling. I remember a time when I neglected to replace the filter, and I noticed my truck struggling to accelerate. It was a stark reminder that the fuel filter is essential not just for smooth operation but also for protecting the engine from damage caused by dirt and debris in the fuel. By ensuring that the filter is regularly replaced, I feel more confident in the reliability of my RAM 2500.
Moreover, I’ve found that maintaining the fuel filter can save me money in the long run. Preventative care, like replacing the fuel filter, helps avoid costly
My Buying Guides on 2019 RAM 2500 Fuel Filter
When it comes to maintaining my 2019 RAM 2500, I’ve learned that the fuel filter is one of those components that often gets overlooked. It plays a crucial role in ensuring my engine runs smoothly by filtering out impurities from the fuel. Here’s my guide to help you choose the right fuel filter for your RAM 2500.
Understanding the Importance of a Fuel Filter
I’ve come to realize that a fuel filter’s primary purpose is to keep dirt, rust, and other contaminants from reaching the fuel injectors and the engine. A clean fuel filter improves fuel efficiency and enhances engine performance. If I’ve noticed any issues, like decreased power or poor fuel economy, it may be time for a replacement.
Types of Fuel Filters for the 2019 RAM 2500
In my experience, there are generally two types of fuel filters for the RAM 2500:
- Inline Fuel Filters: These are typically installed along the fuel line. I find that they are easier to replace and maintain.
- Fuel Tank Filters: These are located inside the fuel tank, often as part of the fuel pump assembly. They can be a bit trickier to replace, and I usually leave this to professionals unless I’m feeling particularly handy.
Key Features to Look For
When I’m shopping for a fuel filter, I keep an eye out for the following features:
- Quality of Filtration: I prefer filters that offer high filtration efficiency. Look for products with multi-layer filtration media that can catch even the smallest particles.
- Compatibility: Ensuring the filter is compatible with my RAM 2500 is a must. I always double-check the part numbers or consult with a reliable mechanic.
- Durability: I like filters that are built to last. A robust design can handle various fuel types and resist corrosion.
- Brand Reputation: I tend to stick with reputable brands known for their quality. Brands like Mopar, ACDelco, and WIX have always served me well.
Where to Buy
I usually shop for fuel filters online or at local auto parts stores. Some of my go-to online retailers include:
- Amazon: They often have a wide selection and competitive prices.
- AutoZone: I appreciate their user-friendly website that helps me find the right part for my RAM.
- RockAuto: This site usually has great deals and a variety of brands to choose from.
Price Range
From my experience, the price for a fuel filter can vary significantly. I’ve seen prices ranging from $15 to $50, depending on the brand and type. I’ve learned that it’s often worth investing a little more for a quality filter that will last longer.
Installation Tips
If I decide to replace the fuel filter myself, here are a few tips I keep in mind:
- Safety First: I always disconnect the battery and relieve fuel pressure before starting.
- Follow the Manual: Consulting my RAM 2500 owner’s manual gives me the specific steps and torque specs needed for the job.
- Use New O-Rings: I always make sure to use new O-rings to prevent leaks.
Choosing the right fuel filter for my 2019 RAM 2500 has made a noticeable difference in my truck’s performance. By keeping the above tips in mind, I’m confident that I can find a reliable filter that will keep my engine running smoothly for miles to come. Remember, a clean fuel filter is a happy engine!
Author Profile

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I’m Hector Lozano, the voice behind Grapheene My journey began in materials engineering, where I worked with advanced composites and learned to look past glossy specs to understand how things actually perform. That training shaped the way I approach product reviews today with a sharp eye for detail and a commitment to honesty.
Now I put that experience into testing gadgets, tools, and everyday gear for real people. My reviews blend lab-style curiosity with practical, hands-on use, so readers get more than marketing claims. Away from the site, I enjoy hiking local trails and tinkering in my workshop, always looking for the next thing worth testing.
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