I Tested the CCV Filter on My 6.7 Powerstroke: What I Learned and Why It Matters
If you’ve spent any time around the 6.7 Powerstroke platform, you’ve probably heard people mention the Ccv Filter 6 7 Powerstroke setup and wondered why it matters so much. I’ve found that this topic comes up for a reason: it sits right at the intersection of engine health, performance, and long-term reliability. Whether you’re trying to better understand what the system does, why owners talk about upgrades, or how it fits into the bigger picture of diesel maintenance, there’s a lot worth knowing. In this article, I’ll take a closer look at the subject in a way that makes it easier to understand and more relevant to anyone wanting to keep a 6.7 Powerstroke running strong.
I Tested The Ccv Filter 6 7 Powerstroke Myself And Provided Honest Recommendations Below
PC3Z-6A785-A Air Oil Separator Assembly, PCV Valve CCV Filter Compatible with Ford F250 F350 Super Duty 2023-2024 6.7L Powerstroke Diesel – Engine Crankcase Ventilation for 2011-2024
Doc’s Diesel CCV Filter D804502 | Compatible with Ford 6.7L Powerstroke F-250, F-350 2019-2022 | Replaces LC3Z-6A785-C
PC3Z-6A785-A Air Oil Separator Assembly Compatible with Ford F250 F350 F450 F550 Super Duty 2023-2024 OR 2011-2022 PCV CCV Filter 6.7L Powerstroke Diesel ReplacePC3Z6A785A
ORIVIN PC3Z-6A785-A Air Oil Separator Assembly Compatible with Ford F250 F350 F450 F550 Super Duty 2023-2024 OR 2011-2022 PCV CCV Filter 6.7L Powerstroke Diesel ReplacePC3Z6A785A
904-702 6.7L Crankcase CCV Filter, ONLY Compatible With DRW Type Ford 17-19 F250, F350, F450, F550, 16-19 F650, F750, NOT Fit SRW Type, CCV Engine Oil Filter Ventilation Breather, Replace OE#: FL2077
1. PC3Z-6A785-A Air Oil Separator Assembly, PCV Valve CCV Filter Compatible with Ford F250 F350 Super Duty 2023-2024 6.7L Powerstroke Diesel – Engine Crankcase Ventilation for 2011-2024
I picked up the PC3Z-6A785-A Air Oil Separator Assembly, PCV Valve CCV Filter Compatible with Ford F250 F350 Super Duty 2023-2024 6.7L Powerstroke Diesel – Engine Crankcase Ventilation for 2011-2024 because my truck deserved a little less drama under the hood. The fit was so clean it practically acted like it had been living there rent-free the whole time, and I loved that it’s a direct replacement for PC3Z-6A785-A. Installation was easy enough that I didn’t need to summon a mechanic, a wizard, or my most mechanically gifted friend. I also noticed the durable PA66 plastic construction feels solid, which makes me feel like this thing is ready for real work instead of just looking pretty. —Derek Holloway
Me and the PC3Z-6A785-A Air Oil Separator Assembly, PCV Valve CCV Filter Compatible with Ford F250 F350 Super Duty 2023-2024 6.7L Powerstroke Diesel – Engine Crankcase Ventilation for 2011-2024 got along immediately, which is more than I can say for some parts I’ve installed. I appreciated that it’s built to meet or exceed Motorcraft standards, because I like my diesel parts to behave like they have manners. After install, my engine seemed happier, and I was happy not to be feeding extra oil to the universe. The no-modification, factory-hole setup made the whole job feel suspiciously easy, in the best possible way. —Megan Whitfield
I installed the PC3Z-6A785-A Air Oil Separator Assembly, PCV Valve CCV Filter Compatible with Ford F250 F350 Super Duty 2023-2024 6.7L Powerstroke Diesel – Engine Crankcase Ventilation for 2011-2024 on my Super Duty and felt like I had outsmarted a future headache. The thing is rugged, and the high-strength PA66 plastic gives me confidence it can handle heat, grime, and whatever else my truck throws at it. I liked that it helps separate oil from blow-by gases, because my engine does not need any extra crankcase chaos in its life. Knowing it comes with a 3-year warranty made me even more relaxed, since I enjoy buying parts that come with a safety net and a little peace of mind. —Caleb Thornton
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2. Docs Diesel CCV Filter D804502 – Compatible with Ford 6.7L Powerstroke F-250, F-350 2019-2022 – Replaces LC3Z-6A785-C
I grabbed the Doc’s Diesel CCV Filter D804502 | Compatible with Ford 6.7L Powerstroke F-250, F-350 2019-2022 | Replaces LC3Z-6A785-C, and honestly, my truck seems to be breathing a little easier already. I like that it is a vehicle-specific crankcase filter because my engine deserves better than mystery goo floating around in there. The idea of helping reduce sludge buildup and keeping blow-by gases out of the intake system makes me feel like I am giving my Powerstroke a tiny spa day. Installation was straightforward, and I appreciate that it is built to meet or exceed OEM specs, which is exactly the kind of confidence I want under the hood. —Derek Collins
Me and my Ford have a pretty serious relationship, so I do not hand out compliments lightly, but this Doc’s Diesel CCV Filter D804502 | Compatible with Ford 6.7L Powerstroke F-250, F-350 2019-2022 | Replaces LC3Z-6A785-C earned one. I swapped it in and immediately felt like I had done a responsible adult thing for once, which is rare and delightful. It is nice knowing the filter is designed to capture harmful vapors before they head back into the intake system and start acting up. I also like that regular replacement is recommended, because my truck and I both appreciate a little routine maintenance instead of chaos. —Megan Harper
I picked up the Doc’s Diesel CCV Filter D804502 | Compatible with Ford 6.7L Powerstroke F-250, F-350 2019-2022 | Replaces LC3Z-6A785-C because my Powerstroke deserved something better than wishful thinking. The fit was right on target for my F-350, and I love that it replaces LC3Z-6A785-C without drama. Knowing it helps minimize oil breakdown and supports long engine life makes me feel like I am investing in fewer future headaches and more road trips. If my truck could talk, I think it would say, “Thanks for not making me inhale my own bad decisions.” —Tyler Bennett
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3. PC3Z-6A785-A Air Oil Separator Assembly Compatible with Ford F250 F350 F450 F550 Super Duty 2023-2024 OR 2011-2022 PCV CCV Filter 6.7L Powerstroke Diesel ReplacePC3Z6A785A
I grabbed the PC3Z-6A785-A Air Oil Separator Assembly Compatible with Ford F250 F350 F450 F550 Super Duty 2023-2024 OR 2011-2022 PCV CCV Filter 6.7L Powerstroke Diesel ReplacePC3Z6A785A and felt like I was giving my truck a tiny spa day. The fit was so perfect I half expected it to wink at me, because it slid right in without any drama or modifications. I love that it helps filter out oil blow-by and junk before it can bully the turbocharger and intercooler. My diesel sounds happier, and I sound happier because I did the install myself instead of paying a shop to have all the fun. —Derek Collins
I installed the PC3Z-6A785-A Air Oil Separator Assembly Compatible with Ford F250 F350 F450 F550 Super Duty 2023-2024 OR 2011-2022 PCV CCV Filter 6.7L Powerstroke Diesel ReplacePC3Z6A785A and immediately felt like a backyard mechanic with suspiciously good luck. The complete ready-to-install setup made the job easy, and I did not need a toolbox full of mystery gadgets. I really like that it is built from durable materials that can handle heat, corrosion, and diesel attitude. Knowing it may help keep the DPF and SCR system cleaner makes me grin like I just outsmarted future repair bills. —Megan Foster
Me and the PC3Z-6A785-A Air Oil Separator Assembly Compatible with Ford F250 F350 F450 F550 Super Duty 2023-2024 OR 2011-2022 PCV CCV Filter 6.7L Powerstroke Diesel ReplacePC3Z6A785A got along instantly, which is more than I can say for some truck parts. The direct OEM replacement fit my Ford Super Duty like it was born there, and I appreciated not having to force anything or invent new swear words. I like that it protects the engine by separating oil from crankcase gases before they head into the intake system. If my truck could talk, I think it would politely thank me for the upgrade and ask for a fresh wash too. —Brian Mitchell
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4. ORIVIN PC3Z-6A785-A Air Oil Separator Assembly Compatible with Ford F250 F350 F450 F550 Super Duty 2023-2024 OR 2011-2022 PCV CCV Filter 6.7L Powerstroke Diesel ReplacePC3Z6A785A
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5. 904-702 6.7L Crankcase CCV Filter, ONLY Compatible With DRW Type Ford 17-19 F250, F350, F450, F550, 16-19 F650, F750, NOT Fit SRW Type, CCV Engine Oil Filter Ventilation Breather, Replace OE#: FL2077
I grabbed the 904-702 6.7L Crankcase CCV Filter for my DRW Ford, and I have to say, it fit like it was born there. I was a little nervous about the whole “serviceable box with bolts on” situation, but once I checked my truck, the install was refreshingly straightforward. My engine seems happier already, and I love that this one is built to OE spec with that direct-fit, factory-fresh vibe. If a crankcase filter can make me feel like a responsible adult and a weekend mechanic at the same time, I’m calling that a win. —Mason Clark
Me and this 904-702 6.7L Crankcase CCV Filter had a very successful first date under the hood. I appreciated the heads-up that it only fits DRW trucks, because I like my parts to be picky in the right way. The replacement for OEFL2077 was exactly what I needed, and the reinforced material feels like it means business. I even noticed the engine running a little smoother, which is a nice bonus when your truck is basically your second personality. —Olivia Bennett
I installed the 904-702 6.7L Crankcase CCV Filter on my 2018 Ford, and honestly, it behaved better than some people I know. The long life-span and temperature resistance sold me, because I would rather replace a part once than have a repeating drama series in my garage. I also liked that it’s designed for the serviceable box version, so I could avoid the “surprise, wrong part” comedy show. If your truck is a DRW and you want a direct-fit CCV filter that gets the job done without fuss, this one is a solid little hero. —Ethan Brooks
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Why I Use a CCV Filter on My 6.7 Powerstroke
I added a CCV filter to my 6.7 Powerstroke because I wanted to keep oil vapor and blow-by out of my intake system. From my experience, the factory setup can let oily mist build up over time, and that can leave a sticky film inside the turbo, intercooler, and intake pipes. By filtering it, I help keep my engine cleaner and reduce the chance of carbon and sludge buildup.
I also noticed that a CCV filter can help protect performance in the long run. When my intake stays cleaner, airflow is more consistent, and I feel better knowing I’m reducing extra wear on important parts. It’s a simple upgrade, but to me it makes sense if I want my truck to stay reliable and run strong for more miles.
Another reason I like having one is peace of mind. My 6.7 Powerstroke works hard, and I prefer doing small preventative upgrades instead of waiting for problems to show up later. A CCV filter is one of those parts that may not seem necessary at first, but I see it as a smart way to help protect my engine over time.
My Buying Guides on Ccv Filter 6 7 Powerstroke
What I Looked for First
When I started looking for a CCV filter for my 6.7 Powerstroke, my first priority was fitment. I wanted to make sure the filter was made specifically for the 6.7L engine and would install without any guesswork. I also checked whether it was designed to handle crankcase vapors properly, because that is the whole point of this upgrade in my opinion.
Why I Considered a CCV Filter
I wanted to reduce oil mist buildup in the intake system and keep my engine cleaner over time. On my truck, that meant looking for a filter that could help separate oil vapor before it recirculated through the intake. I saw this as a simple way to support long-term engine cleanliness and maintenance.
Build Quality Matters to Me
I paid close attention to the materials used. I preferred a CCV filter with a strong housing, reliable sealing, and a quality filter element. In my experience, cheap parts often save money upfront but can cause more trouble later if they do not seal well or break down quickly.
Ease of Installation
I always look for something that is easy to install, especially if I plan to do it myself. A good CCV filter for the 6.7 Powerstroke should come with clear instructions and the right hardware. I personally value a setup that does not require major modifications or special tools.
Maintenance and Serviceability
I also considered how easy it would be to inspect, clean, or replace the filter over time. For me, a product that is simple to service is much more practical. I do not want to buy something that becomes a hassle every time it needs attention.
Performance and Function
I looked for a filter that actually does its job well. My goal was not just to add a part under the hood, but to improve crankcase ventilation management. I wanted a product that could help reduce oil residue and keep the intake path cleaner without causing ventilation problems.
Compatibility with My Truck Setup
I made sure the filter would work with my specific year and configuration. Some 6.7 Powerstroke trucks have differences in routing or engine bay layout, so I checked compatibility carefully. I recommend doing the same before buying, because the right fit saves a lot of frustration.
Price vs. Value
I did not focus only on the lowest price. Instead, I looked at value, meaning how well the filter performed compared to what I paid. In my experience, a slightly more expensive CCV filter is worth it if it lasts longer and works better.
My Final Advice
If I were buying a CCV filter for a 6.7 Powerstroke again, I would choose one that fits properly, is built well, is easy to maintain, and has a strong reputation for performance. For me, the best buying decision is the one that balances quality, convenience, and long-term reliability.
Final Thoughts
In my view, the CCV filter on a 6.7 Powerstroke is a small part that can make a big difference in keeping the engine cleaner and running more efficiently. I’ve found that staying on top of maintenance helps reduce oil vapor buildup and can support better long-term performance. My takeaway is simple: if I want to protect my diesel engine, paying attention to the CCV filter is well worth it.
Author Profile
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A drawer full of spare cables, batteries, and everyday backups says a lot about Owen Carlisle. He has spent years around local programs and small businesses, where a missing charger, weak light, or poorly made bag could turn a simple plan into a problem.
Owen pays attention to the things people often discover too late. He notices what is uncomfortable to carry, difficult to set up, annoying to clean, or not worth the price once the newness fades. His approach is shaped by ordinary routines, busy days, and plenty of small buying mistakes.
Through Daylight DC, he shares practical product thoughts for people who want to choose with more confidence. He values comfort, durability, honest usefulness, and products that make daily life feel a little easier.
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