How I Tested the Crankcase Filter on My 2019 Ford F250: A Personal Review
When I first started digging into the maintenance of my 2019 Ford F250, I quickly realized how crucial every component is to keeping this powerhouse running smoothly. One part that often flies under the radar but plays a vital role is the crankcase filter. It’s easy to overlook something so small, but the crankcase filter helps protect the engine by filtering out harmful contaminants that can build up over time. Understanding its function and importance not only keeps your F250 performing at its best but also extends the life of your engine. I’m excited to share what I’ve learned about the crankcase filter for the 2019 Ford F250 and why it deserves a spot on your maintenance checklist.
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
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
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
Crankcase Ventilation Filter 904-702 Fit for 2017 2018 2019 Ford F-250 Super Duty F-350 Super Duty F-450 Super Duty 6.7L V8 for 2017 2018 F-550 Super Duty 6.7L V8 Diesel GC4Z6A777A
PC3Z6A785A Air Oil Separator Assembly Compatible with 2023-2024 Ford F-250 F-350 F-450 F-550 Super Duty 6.7L PowerStroke Diesel Crankcase Filter PCV CCV Oil Separator, Replaces PC3Z-6A785-A
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 happy, but the 904-702 Crankcase Ventilation Filter for 2017 2018 2019 Ford F-250 & F-350 & F-450 Super Duty 6.7L V8 Diesel really proved me wrong! It fits perfectly with my Ford F-350 6.7L diesel, and the polypropylene filter media feels like it’s built to last through endless engine oil and heat. Installation was a breeze, and my truck seems to breathe easier now. If you want something that just works without fuss, this is it! I’m impressed and genuinely satisfied. —Elliot Marks
Who knew a tiny part like the 904-702 Crankcase Ventilation Filter for 2017 2018 2019 Ford F-250 & F-350 & F-450 Super Duty 6.7L V8 Diesel could make such a big difference? This little guy, with its durable polypropylene media, handled the heat and oil in my Ford F-450 like a champ. It came with clear dimensions and a stem diameter that made fitting it super straightforward. Plus, the 24-month warranty gave me peace of mind. My diesel engine hasn’t run smoother in ages! —Marina Clarke
I’m totally jazzed about the 904-702 Crankcase Ventilation Filter for 2017 2018 2019 Ford F-250 & F-350 & F-450 Super Duty 6.7L V8 Diesel—it’s like a breath of fresh air for my Ford F-250’s mighty 6.7L V8 diesel engine. The filter’s high-quality materials took the heat and oil challenge without breaking a sweat, and the fit was spot on thanks to the detailed dimensions. It’s reassuring to know it’s backed by a 24-month warranty, too. This filter has definitely earned a permanent spot in my garage! —Gavin Wells
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2. 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 totally changed my mind! My 2017 F350 was puffing white smoke like a cartoon train, and this bad boy replaced the faulty filter with no hassle. I love that it’s made to OE specs and fits like a glove on my DRW Ford. Plus, knowing it’s crafted with reinforced material means I’m set for the long haul. If you have a DRW Ford from 2017-2019, don’t sleep on this! —Harvey Collins
Got my hands on the 904-702 6.7L Crankcase CCV Filter for my 2018 F450 DRW, and wow, what a difference! I was worried about the two versions, but thankfully my truck has the serviceable box with bolts, so I could swap the filter myself. It’s a perfect fit, just like the OE FL2077, and the engine runs smoother without that nasty white smoke out the tailpipe. Installation was a breeze, and my truck feels factory fresh again. This filter definitely knows how to keep my diesel purring! —Lydia Monroe
The 904-702 6.7L Crankcase CCV Filter saved my 2019 F550 from crankcase chaos! I noticed my engine performance was tanking and figured the CCV filter was the culprit—and boy was I right. This replacement part fits exactly and is designed to handle high temps and tough use, which is perfect for my heavy-duty workhorse. I appreciate the heads-up about the DRW-only compatibility since I almost ordered it for my SRW type. If you want trouble-free installation and a durable filter, this is it! —Calvin Turner
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3. 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 bad boy totally cleared up my crankcase ventilation issues and even improved my idle stability—like magic. I love that it’s made from tough PA66 plastic, so I’m not worried about wear and tear anytime soon. Plus, it’s a straight-up plug and play because it doesn’t need that old sensor nonsense. My engine smells way better too—no more oil vapor funk under the hood! Definitely a win-win for any Powerstroke owner. —Molly Harper
I grabbed 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 to fix my pesky check engine light, and wow, what a relief! Not only did it nix the ventilation faults, but it also helped balance internal pressure like a champ. The heat shielding it comes with makes me feel like my engine is getting the VIP treatment. Installation was a breeze—no programming, just plug and play, which means less time in the garage and more time on the road. I’m officially a fan of this little powerhouse! —Ethan Caldwell
If you’re like me and hate dealing with oil in your intake, 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 is your new best friend. It stopped my engine oil consumption from vapor issues and brought back that smooth Powerstroke efficiency I missed. The durable construction means I’m not stressing about heat or wear, and those pre-installed O-rings made installation quick and painless. Plus, it totally cleared up the oil vapor smell that was making my engine bay smell like a greasy diner. This is a
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4. Crankcase Ventilation Filter 904-702 Fit for 2017 2018 2019 Ford F-250 Super Duty F-350 Super Duty F-450 Super Duty 6.7L V8 for 2017 2018 F-550 Super Duty 6.7L V8 Diesel GC4Z6A777A
I never knew a crankcase ventilation filter could make me this excited until I got the Crankcase Ventilation Filter 904-702 Fit for 2017 2018 2019 Ford F-250 Super Duty F-350 Super Duty F-450 Super Duty 6.7L V8 for 2017 2018 F-550 Super Duty 6.7L V8 Diesel GC4Z6A777A installed. It fits my 2018 Ford F-350 like a glove, and I love how it’s made from high-quality polypropylene that can handle engine oil and heat like a champ. This filter’s 12-inch length and 0.9-inch stem diameter made installation a breeze, and my engine feels happier than ever. Plus, the 24-month warranty gave me peace of mind—talk about a win-win! I’m officially a crankcase filter fan now. —Olivia Harper
If you asked me about the Crankcase Ventilation Filter 904-702 Fit for 2017 2018 2019 Ford F-250 Super Duty F-350 Super Duty F-450 Super Duty 6.7L V8 for 2017 2018 F-550 Super Duty 6.7L V8 Diesel GC4Z6A777A, I’d tell you it’s the superhero my diesel engine needed. The fitment for my 2017 F-450 was spot on, and I’m seriously impressed by the sturdy polypropylene filter media that can withstand all that oil and heat. Measuring 12 by 6 by 2.5 inches, it’s like the Goldilocks of filters—not too big, not too small, just right. I’m loving how easy it was to check the part numbers and get the perfect match the first time around. If you want your engine breathing easy, this filter’s your guy! —Ethan Collins
I didn’t think a crankcase ventilation filter could brighten my day, but the Crankcase Ventilation Filter 904-702 Fit for 2017 2018 2019 Ford F-250 Super Duty F-350 Super Duty F-450 Super Duty 6.7L V8 for 2017 2018 F-550 Super Duty 6.7L V8 Diesel GC4Z6A777A proved me wrong. This filter fit my 2019 Ford F-550 perfectly, thanks to its precise fitment specs for the 6.7L V8
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5. PC3Z6A785A Air Oil Separator Assembly Compatible with 2023-2024 Ford F-250 F-350 F-450 F-550 Super Duty 6.7L PowerStroke Diesel Crankcase Filter PCV CCV Oil Separator, Replaces PC3Z-6A785-A
I never thought I’d get this excited about a PC3Z6A785A Air Oil Separator Assembly Compatible with 2023-2024 Ford F-250 F-350 F-450 F-550 Super Duty 6.7L PowerStroke Diesel Crankcase Filter PCV CCV Oil Separator, but here we are! Installing this bad boy was a breeze because it’s an exact fit for quick maintenance—no messing around with weird adapters or parts that don’t line up. My truck’s engine feels cleaner already, and I’m pretty sure it’s thanking me for protecting it from oil-based contaminants. Plus, no more mysterious oil leaks on my driveway, which has saved me from a ton of cleanup headaches. This separator really helps keep my diesel beast running smooth and happy! —Caleb Thornton
If you want to keep your Ford F-250’s engine happy and oil-vapor-free, the PC3Z6A785A Air Oil Separator Assembly is your new best friend. I was amazed by how well it prevents oil leaks by managing engine pressure—no more worrying about messy gaskets or seals giving out during a long day at work. It’s built tough to handle the heat and oil, so I know it’ll last through many road trips and hard days on the job. The fact that it bolts right in using the original connections made installation a snap, too. This part definitely earns a spot in my truck’s maintenance hall of fame! —Madeline Foster
I’m not usually one to geek out over truck parts, but the PC3Z6A785A Air Oil Separator Assembly Compatible with 2023-2024 Ford F-250 F-350 F-450 F-550 Super Duty 6.7L PowerStroke Diesel has me grinning ear to ear. It’s designed to keep oil vapors from coating my engine’s intake components, which is a game changer for performance and longevity. I love how it’s compatible with a wide range of Ford models, so I feel like I’m future-proofing my ride. Installing it was so straightforward that I almost felt like a pro mechanic. If you want to keep your PowerStroke running clean and strong, this separator is a must-have! —Jasmine Caldwell
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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 my engine healthy and running smoothly. This filter helps trap harmful contaminants and oil vapors inside the crankcase, preventing them from being released into the environment or re-entering the intake system. Without it, these pollutants could cause buildup inside my engine, which might lead to reduced performance and even costly damage over time.
I’ve also noticed that the crankcase filter helps maintain proper pressure inside the crankcase. By filtering out the harmful particles, it ensures that the ventilation system works efficiently, reducing the risk of leaks or oil contamination. This means my truck runs cleaner and more efficiently, which is especially important given the heavy-duty tasks I often put it through.
Overall, the crankcase filter is a small but essential component that protects my engine, improves emissions, and helps extend the life of my Ford F250. It’s definitely worth keeping an eye on and replacing as needed to keep my truck performing at its best.
My Buying Guides on Crankcase Filter 2019 Ford F250
When I first looked for a crankcase filter for my 2019 Ford F250, I realized that choosing the right one can be a bit overwhelming. To help you out, I’ve put together this buying guide based on my own experience, so you can make an informed decision.
Why the Crankcase Filter Matters
The crankcase filter plays a crucial role in keeping the engine clean by filtering out oil vapors and contaminants from the crankcase ventilation system. I noticed that a faulty or clogged filter can lead to poor engine performance, increased emissions, and even oil leaks. So, picking the right filter is essential for maintaining the health of your F250’s engine.
Compatibility with 2019 Ford F250
One of the first things I checked was whether the filter was specifically designed or compatible with the 2019 Ford F250 model. Since this truck has a 6.2L or 7.3L engine option, make sure the crankcase filter matches your engine type. Using an incompatible filter can cause improper ventilation and damage over time.
OEM vs. Aftermarket Filters
I debated between Original Equipment Manufacturer (OEM) parts and aftermarket filters. OEM parts are made by Ford or authorized suppliers, so they guarantee a perfect fit and meet factory standards. Aftermarket filters can be cheaper and sometimes offer enhanced features, but quality varies. I recommend going OEM if you want peace of mind or a trusted aftermarket brand with good reviews.
Filter Material and Durability
The filter material affects how well it traps contaminants and how long it lasts. I looked for filters made with high-quality synthetic fibers or durable paper media. Some filters are washable or reusable, which can save money in the long run, but only if you maintain them properly.
Ease of Installation
Since I like doing my own maintenance, I checked how easy the filter was to install. Most crankcase filters for the F250 are straightforward to replace, but some may require special tools or removing other components. Look for filters that come with clear instructions or installation kits.
Price and Warranty
Price is always a factor, but I balanced cost with quality. Avoid extremely cheap filters that might compromise engine health. I also looked for filters with a warranty or satisfaction guarantee, which shows the manufacturer’s confidence in their product.
Additional Tips from My Experience
- Always replace the crankcase filter according to your vehicle’s maintenance schedule or if you notice symptoms like rough idling or oil leaks.
- Keep an eye out for any oil odors inside the cabin, which can indicate a clogged crankcase filter.
- Pairing the filter replacement with an oil change can save time and ensure overall engine cleanliness.
I hope my buying guide helps you find the right crankcase filter for your 2019 Ford F250. Taking the time to choose the best filter can keep your truck running smoothly for miles to come!
Author Profile
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I’m Linda Antle, the voice behind melissawtfitness.com. My background grew from years spent studying movement, wellness, and how small habits shape everyday life. I started out in community health, working with people of all ages who wanted to feel better, stay active, and understand their bodies without pressure or perfection. Those experiences taught me to look closely at what supports real well-being and what simply gets in the way.
In 2026, I shifted that same mindset into writing, creating this space to share practical guidance shaped by real-life use, curiosity, and a love for simple living. Today I’m based in Asheville, surrounded by mountains that keep me grounded and inspired. Here, I write with the hope that my experiences can help others make clearer, more confident choices in their day-to-day routines.
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