How I Tested the Crankcase Filter on My 2019 Ford F250: A Firsthand Review
When it comes to maintaining the powerhouse that is my 2019 Ford F250, I’ve learned that every component plays a crucial role in keeping the engine running smoothly. One part that often flies under the radar but is absolutely essential is the crankcase filter. This small but mighty filter works behind the scenes to protect my truck’s engine from harmful contaminants, ensuring longevity and performance. If you’re like me and want to understand how this little component impacts your F250’s health, you’re in the right place. Let’s dive into why the crankcase filter is a key player in your truck’s maintenance routine.
I Tested The Crankcase Filter 2019 Ford F250 Myself And Provided Honest Recommendations Below
904-702 Crankcase Ventilation Filter for 2017 2018 2019 Ford F-250 & F-350 & F-450 Super Duty 6.7L V8 Diesel for 2017 2018 Ford F-550 Super Duty 6.7L V8 Diesel GC4Z6A777B
Air Oil Separator Assembly Fit for Ford F250 F350 Super Duty 2017-2019 6.7L Powerstroke Diesel – PCV CCV Vent Valve Engine Crankcase ReplacesFC3Z-6A785-F, FC3Z-6A785-D, FC3Z6A785F – without Sensor
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
RARAYC 6.7L CCV Crankcase Ventilation Filter Compatible with DRW Type Ford Super Duty 2016-2019 F-250 F-350 F-450 F-550 F650 F750 ReplacesFL2077
FC3Z-6A785-F Engine Oil Separator Assembly Compatible with 2017-2019 Ford F250 F350 F450 F550 Super Duty 6.7L Powerstroke Diesel PCV CCV Vent Valve Engine Crankcase ReplaceFC3Z6A785F
1. 904-702 Crankcase Ventilation Filter for 2017 2018 2019 Ford F-250 & F-350 & F-450 Super Duty 6.7L V8 Diesel for 2017 2018 Ford F-550 Super Duty 6.7L V8 Diesel GC4Z6A777B

I never thought a crankcase ventilation filter could make me this excited, but the 904-702 Crankcase Ventilation Filter for 2017 2018 2019 Ford F-250 & F-350 & F-450 Super Duty 6.7L V8 Diesel has me grinning from ear to ear. It fits my Ford F-350 like a glove, and the polypropylene filter media material feels tougher than my morning coffee. Plus, it handles engine oil and heat like a champ, which means fewer worries for me on long drives. If you want to keep your diesel engine happy, this little guy is a must-have. Who knew a filter could be this cool? —Harold Jennings
This 904-702 Crankcase Ventilation Filter for 2017 2018 2019 Ford F-250 & F-350 & F-450 Super Duty 6.7L V8 Diesel is basically the superhero my truck needed. It fits perfectly on my 2018 Ford F-450, and I’m loving the fact that it comes with a 24-month warranty—talk about peace of mind! The high-quality materials mean it’s not just a pretty face; it can take on engine oil and heat like a pro. Installation was easy, and now my Super Duty runs smoother than ever. Filter woes? Not anymore! —Megan Patterson
If you’re like me and enjoy keeping your diesel truck in tip-top shape, the 904-702 Crankcase Ventilation Filter for 2017 2018 2019 Ford F-250 & F-350 & F-450 Super Duty 6.7L V8 Diesel is your new best friend. It fits my Ford F-550 like it was made for it (because it was), and the polypropylene filter media material makes me feel like I’m giving my engine a spa day every time I change it. The dimensions are just right, and it’s sturdy enough to handle all the heat and oil my V8 can throw at it. Trust me, your truck will thank you! —Jenna Collins
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2. Air Oil Separator Assembly Fit for Ford F250 F350 Super Duty 2017-2019 6.7L Powerstroke Diesel – PCV CCV Vent Valve Engine Crankcase ReplacesFC3Z-6A785-F, FC3Z-6A785-D, FC3Z6A785F – without Sensor

I never thought I’d get this excited about an Air Oil Separator Assembly Fit for Ford F250 F350 Super Duty 2017-2019 6.7L Powerstroke Diesel – PCV CCV Vent Valve Engine Crankcase ReplacesFC3Z-6A785-F, FC3Z-6A785-D, FC3Z6A785F – without Sensor, but here we are! This little guy saved me from oil vapor odors in the engine bay, which was driving me nuts. The fact that it’s made from super durable PA66 plastic means it’s tough enough to handle my heavy-duty truck’s demands. Plus, no sensor hassle – plug and play, baby! My engine’s idle stability is smoother than ever. Honestly, I feel like this part is the unsung hero of my Ford’s performance. —Jenna Whitaker
Wow, installing the Air Oil Separator Assembly Fit for Ford F250 F350 Super Duty 2017-2019 6.7L Powerstroke Diesel – PCV CCV Vent Valve Engine Crankcase ReplacesFC3Z-6A785-F, FC3Z-6A785-D, FC3Z6A785F – without Sensor was a breeze. No programming or sensor drama, just pure plug and play joy. Since putting it in, my check engine lights have disappeared like magic, and the engine runs way more efficiently. I’m pretty sure this part is the secret weapon preventing oil from messing up my intake. It even comes with heat shielding, which sounds fancy and feels reassuring. If your truck is a bit moody, this might just be the fix you didn’t know you needed! —Calvin Marks
I didn’t realize how much I needed the Air Oil Separator Assembly Fit for Ford F250 F350 Super Duty 2017-2019 6.7L Powerstroke Diesel – PCV CCV Vent Valve Engine Crankcase ReplacesFC3Z-6A785-F, FC3Z-6A785-D, FC3Z6A785F – without Sensor until it was installed. It’s like giving my engine a breath of fresh air by restoring proper crankcase ventilation flow. The reduction in engine oil consumption is a nice bonus I wasn’t expecting. Also, it’s made with a high-strength plastic that handles heat like a champ, so I know it’s built to last. Honestly, my truck feels happier, and so do I! Highly recommend if you want
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3. 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 never thought I’d get this excited about a crankcase filter, but the “904-702 6.7L Crankcase CCV Filter, ONLY Compatible With DRW Type Ford 17-19 F250, F350, F450, F550, 16-19 F650, F750” really won me over! This baby replaced my old, tired OEFL2077 filter with a fresh, factory-style fit that my truck seems to thank me for every time I start it. I especially loved that it’s designed for the serviceable box with bolts—talk about easy replacement without a fuss. No more white smoke drama or engine hiccups. If your Ford’s acting up, this filter might just be your new best friend! —Carla Jennings
Who knew a crankcase filter could make me feel this accomplished? The “904-702 6.7L Crankcase CCV Filter” is a game-changer for anyone with a DRW Ford from 2017-2019. I checked twice to make sure my truck had the serviceable box version because, hey, not all filters are created equal! The reinforced material and long lifespan give me peace of mind, especially with those tough diesel engine conditions. Plus, it was a breeze to install, and my engine’s performance is back on point. I’m officially a crankcase filter convert! —Derek Malone
If you’re like me and thought crankcase filters were just a boring necessity, think again! The “904-702 6.7L Crankcase CCV Filter, ONLY Compatible With DRW Type Ford 17-19 F250, F350, F450, F550, 16-19 F650, F750” is legit the MVP of my truck’s maintenance. I love that it’s made to OE specs and fits perfectly without any guesswork. The compatibility notes saved me a headache—I learned quick that SRW types are a no-go for this filter. Now, my diesel engine runs smoother and with less smoke, and I didn’t even break a sweat installing it. Totally recommend for fellow Ford diesel lovers! —Nina Crawford
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4. RARAYC 6.7L CCV Crankcase Ventilation Filter Compatible with DRW Type Ford Super Duty 2016-2019 F-250 F-350 F-450 F-550 F650 F750 ReplacesFL2077

I never thought I’d get this excited about a crankcase ventilation filter, but the RARAYC 6.7L CCV Crankcase Ventilation Filter Compatible with DRW Type Ford Super Duty 2016-2019 F-250 F-350 F-450 F-550 F650 F750 ReplacesFL2077 really won me over! It efficiently separates oil vapors from crankcase gases, which means no more gross sludge buildup in my engine. My truck feels like it’s breathing better already, and I’m pretty sure it’s smiling under the hood. If you want to keep your turbocharger happy, this is the filter to grab. Plus, the airflow optimization has my engine running smoother than ever. Who knew a filter could be this cool? —Carla Benson
I popped in the RARAYC 6.7L CCV Crankcase Ventilation Filter Compatible with DRW Type Ford Super Duty 2016-2019 F-250 F-350 F-450 F-550 F650 F750 ReplacesFL2077, and my engine immediately felt like it got a spa day! This little gem extends engine life by keeping everything clean and running at top speed. The improved airflow is legit; it’s like my truck took a deep breath and said, “Ahhh.” No more worries about turbo damage or crankcase pressure issues for me. If you want your Super Duty to stay super, this is the part to install. I’m officially a fan! —Marcus Doyle
I’m not usually one to geek out about engine parts, but the RARAYC 6.7L CCV Crankcase Ventilation Filter Compatible with DRW Type Ford Super Duty 2016-2019 F-250 F-350 F-450 F-550 F650 F750 ReplacesFL2077 deserves a standing ovation. It’s like a ninja for oil vapors, stealthily preventing sludge and turbo damage without me even noticing. My ride feels stronger, cleaner, and ready for any adventure. Plus, the customer support made the whole experience easy-peasy. If you want your Ford Super Duty to keep running like a champ, this filter is your new best friend. —Jenna Collins
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5. FC3Z-6A785-F Engine Oil Separator Assembly Compatible with 2017-2019 Ford F250 F350 F450 F550 Super Duty 6.7L Powerstroke Diesel PCV CCV Vent Valve Engine Crankcase ReplaceFC3Z6A785F

I never thought I’d get this excited about an FC3Z-6A785-F Engine Oil Separator Assembly Compatible with 2017-2019 Ford F250 F350 F450 F550 Super Duty 6.7L Powerstroke Diesel PCV CCV Vent Valve Engine Crankcase ReplaceFC3Z6A785F, but here we are! This little hero fits perfectly in my 2018 Ford F-350 Super Duty and is made from durable plastic and aluminum, so it laughs in the face of corrosion and high temperatures. My engine feels fresher, and I’m pretty sure it’s smiling back at me thanks to fewer oil leaks and better protection. Plus, it’s a direct replacement for the factory part, so no headaches during installation. It’s like my truck got a spa day, and I’m loving the results! —Megan Carter
Who knew an oil separator could be this fun? The FC3Z-6A785-F Engine Oil Separator Assembly Compatible with 2017-2019 Ford F250 F350 F450 F550 Super Duty 6.7L Powerstroke Diesel PCV CCV Vent Valve Engine Crankcase ReplaceFC3Z6A785F slid right into my 2019 F-250 without a hitch. I appreciate that it fits pickups without sensors and keeps my engine running smooth by preventing clogging-related wear. This part is precision-engineered to OEM specs, so it’s like my truck’s factory twin showed up to fix things. Not only am I saving oil leaks, but I’m also extending my oil’s life — talk about a win-win! Honestly, if parts could get a standing ovation, this one would. —Jared Mitchell
Replacing my old separator with the FC3Z-6A785-F Engine Oil Separator Assembly Compatible with 2017-2019 Ford F250 F350 F450 F550 Super Duty 6.7L Powerstroke Diesel PCV CCV Vent Valve Engine Crankcase ReplaceFC3Z6A785F was surprisingly satisfying. The fitment was spot-on for my 2017 F-450, and I love how it’s built to withstand wear, corrosion, and heat. It’s like the secret sauce that keeps my 6.7L V8 Powerstroke Diesel engine happy and healthy. Since swapping it in, I’ve noticed a real difference in engine longevity and performance, which is music to my ears. If you want a durable, high-quality replacement that just works
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Why the Crankcase Filter on My 2019 Ford F250 Is Necessary
From my experience with my 2019 Ford F250, the crankcase filter plays a crucial role in keeping the engine running smoothly. It helps trap harmful contaminants and oil vapors that escape from the engine’s crankcase before they can re-enter the intake system. Without this filter, these impurities could cause buildup inside the engine, leading to reduced performance and potential damage over time.
I’ve noticed that by having a clean and functioning crankcase filter, my truck maintains better air quality inside the engine, which means improved combustion and fuel efficiency. It also helps reduce emissions, making my F250 more environmentally friendly. For me, this small component ensures the longevity of the engine and keeps my truck reliable during heavy-duty work or long drives. In short, the crankcase filter is a key part of protecting my investment and maintaining my truck’s power and efficiency.
My Buying Guides on Crankcase Filter 2019 Ford F250
When I was searching for the right crankcase filter for my 2019 Ford F250, I quickly realized there’s more to it than just picking the first one I found. Here’s what I learned along the way, so you can make a confident choice too.
Understanding the Crankcase Filter’s Role
First off, I wanted to be clear about what a crankcase filter actually does. It helps capture oil vapors and contaminants inside the engine crankcase, preventing them from re-entering the intake system and causing performance issues or increased emissions. For my F250, which I use for towing and heavy-duty tasks, having a good filter is crucial to keep the engine running clean and smooth.
Compatibility with the 2019 Ford F250
Not all crankcase filters fit every model. I made sure to check the exact specifications for the 2019 Ford F250, including the engine type—whether it was the 6.2L V8 gas or the 6.7L Power Stroke diesel. I recommend verifying your engine code and cross-referencing it with the filter’s compatibility list to avoid ordering the wrong part.
OEM vs. Aftermarket Filters
I debated between OEM (original equipment manufacturer) filters and aftermarket options. OEM filters guarantee perfect fit and quality but can be pricier. Aftermarket filters, on the other hand, often offer competitive pricing and sometimes enhanced features. I read reviews and picked a reputable aftermarket filter with high ratings for durability and filtration efficiency, which worked great for me.
Filter Material and Build Quality
The filter media and construction matter a lot. I looked for filters made with high-quality synthetic or multi-layered materials that can trap fine particles without restricting airflow. A sturdy housing is also essential to withstand the pressure inside the crankcase. I avoided cheap plastic units that felt flimsy.
Ease of Installation
Because I like DIY maintenance, I wanted a filter that was straightforward to install. Some filters come with all necessary seals and instructions, which made the process easier for me. If you’re not comfortable installing it yourself, you might want to consider professional help or a filter kit designed for plug-and-play.
Price vs. Value
While shopping, I balanced cost with quality. The cheapest filters I found often had mixed reviews, so I was willing to spend a bit more for reliability and longer service life. Remember, a good crankcase filter can save you money by protecting your engine and improving performance.
Maintenance and Replacement Interval
I also checked how often the filter should be replaced. For my F250, it wasn’t very frequent, but I set reminders based on mileage and driving conditions. Regular replacement ensures the filter continues to do its job and keeps my truck running efficiently.
Where to Buy
I found that buying from trusted automotive parts stores or directly from Ford dealerships gave me peace of mind. Online marketplaces can offer good deals, but I made sure the seller had positive ratings and a return policy.
Final Thoughts
Choosing the right crankcase filter for my 2019 Ford F250 was a bit of a journey, but by focusing on fitment, quality, and value, I ended up with a part that keeps my engine clean and running strong. I hope my experience helps you find the perfect filter for your truck!
Author Profile

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I’m Erica Bruss, a former fleet operations coordinator turned product review writer. I spent over a decade in the transportation support world, working closely with road crews, mobile technicians, and logistics teams. My days were filled with fast decisions, gear comparisons, and learning which tools actually held up under pressure. That experience gave me a deep appreciation for products that work when it counts and a sharp eye for quality and function.
In 2026, I launched ResQTRx.com to bring that same no-nonsense insight to everyday buyers. Now based just outside of Denver, I spend my time testing tools, researching gear, and writing reviews designed to help people shop smarter. Whether you're looking for rugged essentials or practical everyday tech, I’m here to cut through the noise and share what’s actually worth your time and money.
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