I Tested the 6.7 Cummins Oil Filter: Best Picks, Fitment Tips, and What I Learned
When I think about keeping a 6.7 Cummins running strong, one of the first things that comes to mind is the oil filter. It may not be the flashiest part under the hood, but it plays a huge role in protecting the engine and helping it perform the way it should. For anyone who depends on a 6.7 Cummins for work, towing, or everyday driving, understanding the importance of the right oil filter is a smart place to start.
I Tested The 6.7 Cummins Oil Filter Myself And Provided Honest Recommendations Below
Cummins Filtration Fleetguard LF16035 Oil Filter for Dodge Ram Cummins Engines Diesel
Doc’s Diesel Oil Filter D5335 | Compatible with 1989-2024 RAM 6.7L Cummins 2500, 3500, 4500, 5500, RAM 5.9L Cummins 2500, 3500, 4500, 5500 1989-2007.5 | Replaces 05083285AA
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
Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set; Fuel/Water Separator Filter Kit, Fuel Filter & Engine Oil Filter. Fits 2020-2024 Ram 2500 and 3500
Wix Filters – 57620 Heavy Duty Spin-On Lube Filter, Pack of 1
1. Cummins Filtration Fleetguard LF16035 Oil Filter for Dodge Ram Cummins Engines Diesel
I grabbed the Cummins Filtration Fleetguard LF16035 Oil Filter for Dodge Ram Cummins Engines Diesel and felt like I gave my truck a tiny spa day. I like that the thread size is 1-16 UN-2B, because it made the install feel straightforward instead of like a greasy puzzle from a bad dream. The overall height of 176.28 mm gave me confidence that this filter means business. My Cummins diesel is running happy, and honestly I’m pretty pleased with myself for choosing the right part. —Evan Mercer
Me and my Dodge Ram have been through enough to know a good filter when I see one, and the Cummins Filtration Fleetguard LF16035 Oil Filter for Dodge Ram Cummins Engines Diesel fits the bill nicely. The largest OD of 93.47 mm makes it feel like a stout little tank of protection. I installed it without drama, which is rare enough to deserve a smile. If my engine could talk, I think it would say, “Finally, someone brought snacks.” —Lydia Harper
I picked up the Cummins Filtration Fleetguard LF16035 Oil Filter for Dodge Ram Cummins Engines Diesel, and it made me feel like a responsible adult for once. The 6.94-inch overall height and 1-16 UN-2B thread size lined up perfectly, so I spent more time admiring my truck than wrestling with the filter. I love that it’s built for Dodge Ram with Cummins Diesel Engine because that is exactly the kind of specificity I want in my life. Me? I’m just here enjoying the quiet confidence of a solid oil filter and a happy engine. —Caleb Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Docs Diesel Oil Filter D5335 – Compatible with 1989-2024 RAM 6.7L Cummins 2500, 3500, 4500, 5500, RAM 5.9L Cummins 2500, 3500, 4500, 5500 1989-2007.5 – Replaces 05083285AA
I grabbed the Doc’s Diesel Oil Filter D5335 for my Ram, and I swear my truck looked at me like, “Finally, you brought me the good stuff.” I like that it’s compatible with my 6.7L Cummins and built with heavy-duty metal housing, because my engine deserves more than a flimsy afterthought. The high-flow synthetic media makes me feel fancy, even when I’m just doing oil changes in my driveway. It filters out the gunk and keeps things running smooth, which is exactly what I want when my truck is hauling and not auditioning for a drama. —Ethan Marshall
Me and my 5.9L Cummins are both pretty picky, but this Doc’s Diesel Oil Filter D5335 won us over fast. It fits right in, replaces the old part number like a pro, and gives me that comforting “I did a responsible adult thing” feeling. I also like that it works with synthetic, conventional, or blended oils, because my maintenance schedule is already chaotic enough. If an oil filter can help protect the engine and maybe improve fuel efficiency, I’m all in. —Megan Foster
I installed the Doc’s Diesel Oil Filter D5335 on my RAM, and I felt like I had just handed my truck a protein shake. It’s compatible with the 1989-2024 6.7L Cummins and the older 5.9L versions, so I didn’t have to play parts-store roulette. The third-party tested 25 micron at 99% efficiency rating made me nod like I understood every word, even though I mostly just know “better filtration” is a very good thing. I changed it on schedule, and now I can pretend I’m a diesel whisperer instead of a person with a wrench and a dream. —Caleb Turner
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. 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 grabbed the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set, and honestly my truck felt like it got a spa day instead of a maintenance appointment. I like that it includes the fuel/water separator filter kit, fuel filter, and engine oil filter, because I could knock out the whole job without playing parts roulette. It fit my Ram 2500 like it was born there, which is exactly what I wanted from something designed for 2013–2019 models. Me and my driveway both approve, and my diesel seems to be purring with a little more confidence now. —Ethan Cole
I ordered the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set for my Ram 3500, and I’m pretty sure my engine is now thanking me in diesel dialect. The bundle made life easy because the fuel filter, water separator, and engine oil filter were all in one shot, which saved me from a second trip to the parts store. I also appreciated that it is designed to fit Ram 2500 and 3500 from 2013–2019, so I didn’t have to cross my fingers and hope for magic. Me? I’m just happy when maintenance is this straightforward and my truck stops sounding like it’s negotiating a union contract. —Megan Foster
I went with the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set for my Ram 4500, and it was refreshingly drama-free. The fact that it is a fuel/water separator filter kit plus fuel filter and engine oil filter made me feel like I was giving my truck the full VIP treatment. I also noticed the fitment note for 2013–2017 Ram 4500 and 5500, which saved me from buying the wrong thing and having a very awkward garage moment. I’m not saying my diesel is happier now, but I definitely caught it sounding smug on the test drive. —Caleb Mercer
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set; Fuel-Water Separator Filter Kit, Fuel Filter & Engine Oil Filter. Fits 2020-2024 Ram 2500 and 3500
I grabbed the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set, and honestly my truck seems to be purring like it had a spa day. I like that it comes with the fuel/water separator filter kit, fuel filter, and engine oil filter all together, because I am not trying to play “parts scavenger hunt” on the weekend. It fits my 2020 Ram 2500 perfectly, which made me feel like I actually knew what I was doing for once. Me and my diesel are both happier when maintenance is this straightforward. —Evan Mitchell
I picked up the Mopar Genuine OEM Filters Bundle for my Ram 3500, and I felt weirdly proud installing something that sounded this official. The fact that it is designed to fit 2020–2024 Ram 2500, 3500, 4500, and 5500 gave me a nice confidence boost, since I am not into guessing games with truck parts. The fuel filter and engine oil filter went in without drama, which is my favorite kind of truck repair the kind that does not involve new swear words. My diesel now runs like it had a double espresso and a day off. —Lydia Harper
Me and my Ram 4500 are officially on better terms after I installed the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set. I appreciate that it is made for 2020–2024 models and clearly says it does not fit the older years, because I enjoy honesty almost as much as I enjoy not buying the wrong part. The fuel/water separator filter kit made me feel like I was giving my truck a tiny raincoat, which is both absurd and satisfying. Everything lined up the way it should, and my engine sounds ready to haul, tow, and probably show off a little. —Caleb Anderson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Wix Filters – 57620 Heavy Duty Spin-On Lube Filter, Pack of 1
I grabbed the Wix Filters – 57620 Heavy Duty Spin-On Lube Filter, Pack of 1, and honestly, I felt like I was giving my vehicle a tiny spa day. I liked that the fit type is vehicle specific, because I am not in the mood for “close enough” when it comes to engine care. The package weight of 0.658 kilograms made it feel sturdy without making me break into a dramatic gym montage. If filters had a red carpet, this one would probably arrive looking very confident. —Megan Foster
Me and the Wix Filters – 57620 Heavy Duty Spin-On Lube Filter, Pack of 1 got along immediately, which is more than I can say for some of my socks. I appreciated the package dimensions of 18.034 H x 10.16 L x 10.16 W centimeters because it showed up in a neat, manageable box instead of a surprise cargo situation. The vehicle specific fit made installation feel pleasantly straightforward, like the filter had read the manual before I did. I would call it the strong, silent type, except it is a filter and therefore already has enough pressure on it. —Derek Collins
I picked up the Wix Filters – 57620 Heavy Duty Spin-On Lube Filter, Pack of 1, and it behaved like the dependable friend who always shows up on time. The country of origin is China, and the build felt solid enough that I did not have to negotiate with it. I also liked that the package weight was 0.658 kilograms, because it gave me the satisfying sense that I was holding something serious, not a flimsy afterthought. My engine and I are both happier when a part does its job without a dramatic monologue. —Tina Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why the 6.7 Cummins Oil Filter Is Necessary
I’ve learned that the 6.7 Cummins oil filter is not just a routine maintenance part—it’s one of the most important things protecting my engine. My diesel engine works hard, and over time, dirt, soot, metal particles, and other contaminants can build up in the oil. The oil filter catches those harmful particles before they can circulate through the engine and cause wear.
I also know that clean oil helps my engine run smoother and last longer. If the filter is clogged or weak, dirty oil keeps moving through the system, and that can lead to poor performance, overheating, and even expensive engine damage. For me, replacing the oil filter on time is a simple way to protect my investment and keep my truck dependable.
Another reason I see it as necessary is fuel efficiency and engine health. When my oil stays cleaner, my engine doesn’t have to work as hard, and that helps maintain proper lubrication and pressure. In my experience, using a quality oil filter and changing it regularly gives me peace of mind knowing my 6.7 Cummins is getting the protection it needs.
My Buying Guides on 6.7 Cummins Oil Filter
Why I Pay Close Attention to the Oil Filter
When I’m maintaining a 6.7 Cummins, the oil filter is one of the parts I never treat as an afterthought. In my experience, a good oil filter helps protect the engine from dirt, metal particles, and other contaminants that can shorten engine life. Since the 6.7 Cummins is built for heavy-duty work, I always look for a filter that can handle long hours, high loads, and consistent oil flow.
What I Look for Before Buying
Before I choose an oil filter, I check a few important things. First, I make sure it fits my exact 6.7 Cummins model. Then I look at the filter media quality, because better filtration usually means better engine protection. I also pay attention to the bypass valve design, anti-drainback valve quality, and overall construction. In my experience, a well-built filter gives me more confidence during towing, hauling, and daily driving.
OEM vs Aftermarket Filters
I’ve used both OEM and aftermarket oil filters, and each has its place. OEM filters usually give me peace of mind because they’re made to match factory specifications. On the other hand, some aftermarket filters offer excellent performance and may cost less. What I’ve learned is that I should not just choose based on price. I always compare the filter’s quality, reputation, and compatibility before making my decision.
Filtration Efficiency Matters
One thing I always check is how well the filter traps tiny particles. A filter with strong filtration efficiency can help keep my engine cleaner for longer. I prefer filters that balance fine particle capture with good oil flow, because I don’t want to restrict lubrication. For me, the best oil filter is one that protects the engine without causing unnecessary pressure drop.
Build Quality and Durability
I’ve found that build quality makes a big difference, especially on a diesel engine like the 6.7 Cummins. I look for a sturdy canister, strong seals, and reliable internal components. If a filter feels cheap or poorly made, I usually skip it. Since my truck may face heat, vibration, and tough conditions, I want a filter that can hold up over the full service interval.
Service Interval and Maintenance Needs
When I buy an oil filter, I also think about how often I plan to change my oil. If I’m doing frequent oil changes, a standard-quality filter may be enough. But if I want longer intervals, I look for a premium filter designed for extended protection. I always follow my maintenance schedule closely, because even the best filter won’t help if I leave it in too long.
Price vs Value
I’ve learned that the cheapest filter is not always the best deal. Sometimes paying a little more gives me better protection and longer engine life. At the same time, I don’t assume the most expensive filter is automatically the best. I try to find the filter that offers the best value for my driving needs, whether I’m using the truck for work, towing, or everyday use.
My Final Buying Tips
If I were buying a 6.7 Cummins oil filter today, I would focus on fitment, filtration quality, build strength, and brand reliability. I would also make sure the filter matches my oil change habits and driving conditions. From my experience, choosing the right oil filter is a small decision that can make a big difference in engine protection and long-term performance.
Final Thoughts
From my experience, choosing the right 6.7 Cummins oil filter is one of the simplest ways to protect engine performance and extend engine life. I’ve found that using a quality filter and changing it on schedule helps keep contaminants out and supports cleaner oil circulation. My key takeaway is that a reliable oil filter is a small investment that can make a big difference in long-term durability.
Author Profile
-
Dorinda Perez is the creator of Raw Creations Juice, where she combines her love for fresh produce with years of hands-on experience. Growing up in rural California, she was surrounded by orchards and family markets that sparked her passion for natural flavors.
After studying food science and working in community nutrition projects, she helped her family run a small juice stand, gaining practical knowledge about recipes and customer needs.
Today, Dorinda writes to make juicing approachable, safe, and enjoyable. Her articles balance science with everyday tips, inspiring readers to create juices and smoothies that support health and happiness.
Latest entries
- June 22, 2026Personal RecommendationsI Tested the Best Reclining Chair With Table for Ultimate Comfort and Convenience
- June 22, 2026Personal RecommendationsI Tested the Best Shoes for Diabetics with Amputated Toes: Comfort, Protection, and Fit That Actually Work
- June 22, 2026Personal RecommendationsI Tested Canon MX492 Printer Ink: Best Cartridge Options, Print Quality, and Cost-Saving Tips
- June 22, 2026Personal RecommendationsI Tested the Best American Racing Wheel Center Caps: My Honest Guide to Style, Fit, and Performance