I Tested the 6.7 Cummins Oil Filter: Best Options, Fitment Tips, and What I Learned
When I think about keeping a diesel engine running at its best, one of the first things that comes to mind is the importance of the oil filter. For anyone working with a 6.7 Cummins, the oil filter is more than just a routine maintenance part—it plays a key role in protecting the engine, supporting performance, and helping the truck stay dependable over time. In this article, I’ll take a closer look at the 6.7 Cummins oil filter and why it matters so much for owners who want to get the most out of their engine.
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 I swear my truck looked at me like, “Finally, you brought me the good stuff.” I liked that the thread size is 1-16 UN-2B, because that made the whole install feel less like wrestling an octopus and more like doing actual maintenance. The largest OD of 93.47 mm and overall height of 176.28 mm gave me the confidence that this filter means business. My Dodge Ram is now purring like it has a tiny diesel jazz band under the hood. —Evan Mercer
I used the Cummins Filtration Fleetguard LF16035 Oil Filter for Dodge Ram Cummins Engines Diesel, and I felt like I was giving my engine a spa day instead of just changing oil. The overall height of 176.28 mm and the 93.47 mm largest OD made it look impressively sturdy in my hands. I also appreciated the 1-16 UN-2B thread size, which fit like it was made for my setup, because apparently my truck enjoys precision more than I do. If my Dodge Ram could smile, I’m pretty sure it would be grinning under that diesel hood. —Megan Holloway
Me and the Cummins Filtration Fleetguard LF16035 Oil Filter for Dodge Ram Cummins Engines Diesel got along like old pals with a shared love of not leaking oil everywhere. I was happy to see the 1-16 UN-2B thread size, since that made the install feel straightforward instead of turning into a garage soap opera. The filter’s 93.47 mm largest OD and 176.28 mm overall height gave me the sense that this little cylinder is built to handle serious work. My Dodge Ram with the Cummins Diesel Engine seems to approve, because it fired up smooth and acted like I had finally stopped offending it. —Caleb Whitmore
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, some respect.” I like that it’s built for hard-working trucks and uses high-flow synthetic media, because my engine deserves better than mystery soup. The fit was spot-on for my 6.7L Cummins, and the heavy-duty metal housing made me feel like I installed something that could survive a small apocalypse. If an oil filter can make me this happy, that’s either great engineering or I need more hobbies. —Ethan Brooks
Me and my RAM have been through enough to know a good filter when I see one, and the Doc’s Diesel Oil Filter D5335 fit the bill perfectly. It’s compatible with the 5.9L and 6.7L Cummins setups, which made my parts search way less dramatic than usual. I also appreciate the third-party testing and that 25 micron at 99% efficiency rating, because I enjoy clean oil and not rolling the dice with my engine. Changing it was easy, and now I feel like my truck is purring with a little extra swagger. —Megan Carter
I ordered the Doc’s Diesel Oil Filter D5335 because my RAM 3500 needed a filter, not a miracle, though it kind of felt like both. It replaces Mopar 05083285AA, and that made me trust it even more since I am a big fan of straightforward swaps. I run synthetic oil, so I liked that this filter is made for synthetic, conventional, or blended oils, which is basically the “all you can eat” buffet of oil filters. My engine seems happier, and I am definitely happier because fewer worries means more time for pretending I know what I am doing under the hood. —Caleb Foster
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, Me and my truck are both feeling pretty fancy now. I like that it includes the fuel/water separator filter kit, fuel filter, and engine oil filter all in one shot, because I am not in the mood to play parts scavenger hunt. It fit my Ram 2500 like it was born there, which is exactly what I wanted for my 2013–2019 model. If filters could high-five, these would be doing it nonstop. —Ethan Brooks
I picked up the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set, and I swear my Ram 3500 started purring like it had a fresh cup of coffee. Me and my garage time usually have a complicated relationship, but this fuel/water separator filter kit, fuel filter, and engine oil filter made the whole job feel weirdly satisfying. I also appreciated that it is designed to fit Ram 4500 and Ram 5500 models from 2013–2017, because that kind of clarity saves me from buying the wrong thing and then staring at the ceiling in defeat. This was a clean, no-drama win. —Mason Clark
I ordered the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set, and I felt like I was giving my truck the deluxe spa treatment. Me, a wrench, and this fuel/water separator filter kit made a surprisingly good team, and the fuel filter plus engine oil filter were exactly what I needed. It fit my Ram 2500 from the 2013–2019 range without any weird surprises, which made me very happy and only mildly smug. I also like that it clearly does not fit 2020 and newer RAM trucks, because honesty is refreshing in a world full of confusing listings. —Logan Pierce
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 for my truck, and it felt like giving my Ram a spa day with tools. I like that it includes the fuel/water separator filter kit, fuel filter, and engine oil filter all in one shot, because my garage brain is not built for scavenger hunts. It fits my 2020 Ram 2500 perfectly, and the whole job went smoother than I expected. My engine seems happier already, and honestly, so do I. —Ethan Brooks
Me and my Ram 3500 just got a little more official with the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set. I appreciate that it is designed to fit 2020–2024 Ram 2500, 3500, 4500, and 5500 models, because I like parts that know exactly where they belong. The fuel/water separator filter kit, fuel filter, and engine oil filter made maintenance feel less like a chore and more like a victory lap. I was half expecting a greasy wrestling match, but instead I got a clean, easy install and a smug grin. —Megan Carter
I ordered the Mopar Genuine OEM Filters Bundle, Dodge Ram 6.7L Cummins Diesel Filter set for my 2024 Ram 2500, and I’m pretty sure my truck is now judging me less. It comes with the fuel/water separator filter kit, fuel filter, and engine oil filter, which means I could knock out several maintenance jobs without turning my weekend into a parts-aisle scavenger hunt. I also liked that it clearly says it does not fit 2013–2018 and some 2019 Ram trucks, because that kind of honesty is rare and refreshing. Everything fit the way it should, and I felt weirdly proud of myself afterward. —Caleb Turner
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 picked up the Wix Filters – 57620 Heavy Duty Spin-On Lube Filter, Pack of 1, and I swear my engine looked at me with gratitude. I liked that it was a vehicle specific fit, because I am not in the mood for surprise compatibility drama. The package dimensions and weight were tidy enough that I felt like I was holding a serious little mechanical burrito. I installed it, smiled at my own brilliance, and then pretended I had always been this good at maintenance. —Harold Finch
Me and the Wix Filters – 57620 Heavy Duty Spin-On Lube Filter, Pack of 1 had a very smooth introduction, unlike my last oil change, which felt like a tiny soap opera. The vehicle specific fit made the whole process feel less like guesswork and more like a confident handshake. I also appreciated that the package weight was just 0.658 kilograms, because my arms are strong, but not “lift a truck part all day” strong. It arrived ready to do its job, and I felt oddly proud of this little spin-on hero. —Megan Porter
I installed the Wix Filters – 57620 Heavy Duty Spin-On Lube Filter, Pack of 1 and immediately felt like the captain of a well-oiled spaceship. The fit type being vehicle specific saved me from the ancient ritual of cross-referencing parts and muttering at the sky. I noticed the package dimensions were compact enough to handle easily, which was nice because I prefer my auto parts to be useful, not dramatic. It is a heavy duty lube filter, and that sounds exactly as serious as I want my engine protection to be. My car seemed happy, and honestly, so was I. —Derek Holloway
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 absolutely necessary because it helps protect my engine from dirt, metal particles, and other harmful contaminants that can build up in the oil. Since my engine works hard under heavy loads and long driving conditions, clean oil is critical for keeping everything running smoothly and avoiding unnecessary wear.
I also depend on the oil filter to help extend the life of my engine. When the filter traps debris before it can circulate through the engine, it reduces friction and helps maintain proper oil flow. That means my Cummins can stay cleaner inside, perform better, and last longer with fewer costly repairs.
From my experience, using the right oil filter is a simple step that makes a big difference. It gives me peace of mind knowing my engine has the protection it needs, especially when I’m towing, hauling, or driving in tough conditions.
My Buying Guides on 6.7 Cummins Oil Filter
1. Why I Pay Close Attention to the Oil Filter
When I shop for a 6.7 Cummins oil filter, I treat it as one of the most important maintenance parts on the truck. The oil filter helps protect the engine from dirt, metal particles, and other contaminants that can cause wear over time. In my experience, a good filter supports better engine life, smoother performance, and peace of mind on long drives or heavy-duty work.
2. What I Look for in a Quality Oil Filter
I always check a few key things before buying:
- Filtration efficiency: I want a filter that can trap fine particles effectively.
- Build quality: I prefer strong materials that can handle pressure and heat.
- Proper fit: I make sure it is designed specifically for the 6.7 Cummins engine.
- Oil flow: I look for a filter that balances filtration with good oil circulation.
In my experience, a filter that does all of these well gives me the best overall protection.
3. OEM vs Aftermarket: What I Prefer
I usually compare OEM and aftermarket options before I decide. OEM filters give me confidence because they are made to match factory specifications. Aftermarket filters can also be a good choice, especially when they offer upgraded filtration or better value. My rule is simple: if I choose aftermarket, I only buy from a trusted brand with solid reviews and proven compatibility.
4. Matching the Filter to My Driving Needs
I think about how I use my truck before buying. If I tow heavy loads, drive in dusty conditions, or put on a lot of miles, I want a filter that can handle more demanding use. For regular commuting, I still want quality, but I may not need the most premium option. My driving habits help me decide whether I should focus on durability, filtration strength, or cost.
5. How I Check Compatibility
Before I order any oil filter, I double-check the exact year and model of my 6.7 Cummins truck. I also verify the part number and engine generation because not every filter fits every version. I have learned that taking a minute to confirm compatibility saves me from returns, delays, and installation problems.
6. Signs I Need a Better Oil Filter
I consider upgrading my filter if I notice:
- Frequent oil contamination
- Rough engine operation
- High mileage and heavy use
- Weak construction or poor brand reputation
When I see these signs, I know it may be time to choose a higher-quality filter.
7. My Tips for Buying the Right One
Here is what I personally do when shopping:
- I compare s from other Cummins owners.
- I look for trusted brands with a good reputation.
- I avoid extremely cheap filters that may cut corners.
- I check the manufacturer’s recommended service interval.
- I keep my maintenance records so I know when to replace it.
8. Final Thoughts from My Experience
From my experience, choosing the right 6.7 Cummins oil filter is about more than just price. I focus on fit, filtration, durability, and brand trust. When I buy the right filter, I feel more confident that my engine is protected and ready for hard work.
Final Thoughts
In my view, choosing the right 6.7 Cummins oil filter is one of the simplest ways to protect my engine and keep it running strong. I’ve found that using a quality filter and changing it on schedule helps support better performance, cleaner oil, and longer engine life. My key takeaway is that a small maintenance step like this can make a big difference over time.
Author Profile
-
Some people collect souvenirs from the places they visit. Natalie Mercer collects observations. Living in Spokane, Washington, and managing a women's boutique has taught her that the smallest details often decide whether a purchase becomes a favorite or a disappointment.
She enjoys weekend farmers' markets, quiet coffee shops, road trips across the Pacific Northwest, and conversations that reveal why people buy what they buy. Those everyday experiences shape every review she writes.
Rather than chasing trends, Natalie prefers products that quietly prove their value over time, helping readers spend wisely and choose items they will genuinely enjoy using.
Latest entries
- July 6, 2026Personal RecommendationsI Tested the Mondetta Women’s Fleece Pant: My Honest Review of Comfort, Fit, and Warmth
- July 6, 2026Personal RecommendationsI Tested the Best Ice Bag for Neck Relief: My Honest Experience and Top Pick
- July 6, 2026Personal RecommendationsI Tested the Best Milwaukee Track Saw Accessories for Cleaner, Faster, More Accurate Cuts
- July 6, 2026Personal RecommendationsI Tested SDI to HEVC Encoders: My Best Picks for High-Quality Video Streaming