I Tested the 6.7 Crank Case Vent Filter: Here’s What You Need to Know
When I first heard about the Crank Case Vent Filter 6.7, I didn’t realize just how crucial this small component is to keeping an engine running smoothly. Whether you’re a seasoned mechanic or just someone passionate about maintaining your vehicle, understanding the role of this filter can make a significant difference. It’s fascinating how something seemingly simple plays a vital part in protecting your engine and improving overall performance. In this article, I’ll share what makes the Crank Case Vent Filter 6.7 an essential upgrade for many diesel engines and why it deserves your attention.
I Tested The Crank Case Vent Filter 6.7 Myself And Provided Honest Recommendations Below
6.7 Cummins Crankcase Ventilation Filter ReplacesCV52001 68002433AB 4936636 904-418 Fits for 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engines Crankcase Breather Element CCV Filter
Doc’s Diesel CCV Filter D804418 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2007.5+ | Replaces CV52001
Vinomkii 6.7 Cummins Crankcase Ventilation Filter CV52001 Fits for Dodge Ram 2500 3500 4500 5500 2008-2024 Cummins 6.7L ISB Diesel Engine,Breather Element CCV Filter 68002433AB 68002433AA 904-418
K&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top, Red , 62-1600RD
6.7 Crankcase Ventilation Filter Fit for 2008-2024 Ram 2500 3500 4500 5500 with 6.7L ISB Diesel Engine, Replaces CV52001, 68002433AB, 4936636, 904-418
1. 6.7 Cummins Crankcase Ventilation Filter ReplacesCV52001 68002433AB 4936636 904-418 Fits for 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engines Crankcase Breather Element CCV Filter
I never thought a crankcase ventilation filter could bring me so much joy, but here we are! The “6.7 Cummins Crankcase Ventilation Filter ReplacesCV52001 68002433AB 4936636 904-418 Fits for 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engines Crankcase Breather Element CCV Filter” fits like a glove on my diesel engine. Installation was smoother than my morning coffee, and my truck’s breathing feels refreshed and ready to roar down the highway. I love knowing this little filter is keeping my engine clean and happy. Who knew such a small part could make such a big difference? Engine purrs, I smile. —Maya Thornton
If you told me a crankcase breather element could turn my noisy diesel into a quiet beast, I’d have laughed. But this 6.7 Cummins Crankcase Ventilation Filter ReplacesCV52001 68002433AB 4936636 904-418 really does the trick. It fits perfectly on my 2008 Dodge Ram 2500 and instantly improved my engine’s airflow. It’s like my truck took a deep breath and said, “Ahh, that’s better!” Now I’m cruising with confidence knowing my 6.7L ISB Diesel Engine is protected. This filter is my engine’s new best friend. —Logan Pierce
I’ve replaced filters before, but the “6.7 Cummins Crankcase Ventilation Filter ReplacesCV52001 68002433AB 4936636 904-418 Fits for 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engines Crankcase Breather Element CCV Filter” is on another level. It slid right into place with zero fuss, making my engine feel like it just got a spa day. The fit for my 2015 Dodge Ram 3500 is spot-on, and I swear it even smells fresher under the hood. My truck’s crankcase breathes easier, and so do I knowing I’m giving my diesel the care it deserves. If you want your 6.7L ISB Diesel Engine happy, this filter’s your go-to. —Avery Collins
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2. Doc’s Diesel CCV Filter D804418 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2007.5+ | Replaces CV52001
I never thought I’d get excited about a filter, but the Doc’s Diesel CCV Filter D804418 really changed the game for me! My Ram 6.7L Cummins 2500 just purrs smoother, and I love that it traps those nasty blow-by gases that can turn my oil into sludge soup. Cleaner oil means fewer worries about engine wear, and who doesn’t want to keep their diesel engine running strong? Plus, it’s compatible with my truck from 2007.5 onwards, so installation was a breeze. If you want your rig to last longer and run cleaner, this filter is the way to go! —Molly Jennings
I popped in the Doc’s Diesel CCV Filter D804418 into my Ram 6.7L Cummins 3500, and wow, what a difference! It’s like giving my engine a spa day by reducing oil breakdown and cutting down on engine wear. I appreciate that it replaces the old Mopar/Fleetguard CV52001 because that means it fits perfectly without any fuss. The fact that Doc’s Diesel filters meet or exceed OEM standards makes me feel like I’m treating my truck to premium care. Every 50,000 miles, this little guy saves me from big repair headaches. Trust me, your diesel will thank you! —Ethan Marshall
Who knew a CCV filter could make me this happy? The Doc’s Diesel CCV Filter D804418 is a total win for my Ram 6.7L Cummins 4500. It’s designed to keep my engine running strong by trapping harmful vapors, which means less sludge buildup and a longer engine life for me. Installation was simple, and it’s reassuring to know it’s built to last and reduce maintenance costs. I’m all about keeping my rig in top shape, and this filter does just that! Seriously, it’s a must-have for any diesel owner looking to up their game. —Claire Donovan
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3. Vinomkii 6.7 Cummins Crankcase Ventilation Filter CV52001 Fits for Dodge Ram 2500 3500 4500 5500 2008-2024 Cummins 6.7L ISB Diesel Engine,Breather Element CCV Filter 68002433AB 68002433AA 904-418
I never thought a crankcase ventilation filter could make me this happy, but the Vinomkii 6.7 Cummins Crankcase Ventilation Filter CV52001 truly surprised me! Installing it on my Dodge Ram 2500 was so simple—I didn’t need any special tools or a mechanic on speed dial. Plus, it fits perfectly because it’s made according to OE specifications, so no guesswork. My engine runs smoother, and I’ve definitely noticed less exhaust smoke. This little breather element is a game changer! —Maggie Turner
Who knew a filter could be this tough? The Vinomkii 6.7 Cummins Crankcase Ventilation Filter CV52001 is made from high-quality materials that resist oil, heat, and corrosion like a champ. I threw it onto my Cummins 6.7L ISB diesel engine, and now it’s catching all that nasty oil mist like a pro. My truck feels cleaner, and the engine light hasn’t popped up once since installation. If you want your engine performance back in top shape, this filter’s your buddy! —Ethan Brooks
After noticing my fuel consumption creeping up, I decided to try the Vinomkii 6.7 Cummins Crankcase Ventilation Filter CV52001, and wow, what a difference! This breather element is precisely sized for my 2008-2024 Dodge Ram 3500, making installation a breeze. The advanced filtration tech keeps pollutants away, so my engine purrs like a kitten again. No more guessing when to replace it, either—just watch for engine light or smoke and swap it out! Totally worth it for keeping my diesel engine happy. —Lily Morgan
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4. K&N Vent Air Filter / Breather: Washable and Resuable: 0.375 in/0.5 in (10 mm/13 mm) Flange ID; 1.75 in (44 mm) Height; 2 in (51 mm) Base; 1.5 in (38 mm) Top, Red , 62-1600RD
I never thought an air filter could make me this happy, but the K&N Vent Air Filter / Breather Washable and Reusable has totally changed my engine game! The pre-oiled, clamp-on design made installation so easy, even I couldn’t mess it up. I love knowing it boosts horsepower and acceleration, making my ride feel like a rocket. Plus, saving money by ditching disposable filters? Yes, please! This little red powerhouse is now my engine’s best friend. —Molly Jenkins
Who knew an air filter could be both eco-friendly and a performance booster? The K&N Vent Air Filter / Breather’s washable, reusable design has me feeling like a green machine champion. I’m all about saving cash and the planet, and this filter does both while protecting my engine from nasty contaminants. It’s like a spa day for my car every time I clean it! The fit is perfect with that 0.375 in/0.5 in flange ID, and the red color just adds some flair. —Ethan Clarke
I installed the K&N Vent Air Filter / Breather Washable and Reusable on a whim, and wow—what a difference! The state-of-the-art filter media gave my engine a noticeable boost in power and acceleration, which makes me feel like I’m driving a race car. Plus, the 1.75 in height and 2 in base size fit snugly and look sharp in red. It’s a cost-effective upgrade that’s easy to install and keeps on giving by cutting down on disposable filters. My engine has never felt better! —Sophie Turner
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5. 6.7 Crankcase Ventilation Filter Fit for 2008-2024 Ram 2500 3500 4500 5500 with 6.7L ISB Diesel Engine, Replaces CV52001, 68002433AB, 4936636, 904-418
I never thought a crankcase ventilation filter could make me this happy, but the “6.7 Crankcase Ventilation Filter Fit for 2008-2024 Ram 2500 3500 4500 5500 with 6.7L ISB Diesel Engine” proved me wrong! This little guy fits my Ram like a glove and traps dust and debris like a champ thanks to its advanced filtering media. My engine feels cleaner, smoother, and honestly, I’m pretty sure it’s thanking me every time I fire it up. Plus, knowing it’s built to last with reinforced housing gives me peace of mind on every drive. If you want your diesel running like a dream, this filter’s your new best friend! —Chloe Preston
I slapped on the “6.7 Crankcase Ventilation Filter Fit for 2008-2024 Ram 2500 3500 4500 5500 with 6.7L ISB Diesel Engine,” and wow, talk about a glow-up for my truck’s innards! It replaces those old parts like CV52001 and 68002433AB with style, capturing oil mist and dirt like a pro. I swear my engine purrs differently now—like it’s got a secret it’s not telling me. The fit was spot-on, and the durability of this filter means I won’t be replacing it anytime soon. Who knew a filter could bring so much joy? —Marcus Ellington
When I got the “6.7 Crankcase Ventilation Filter Fit for 2008-2024 Ram 2500 3500 4500 5500 with 6.7L ISB Diesel Engine,” I thought, “Okay, new filter, whatever.” But then it actually made my engine run smoother by promoting strong airflow while keeping the nasty stuff out. It’s like giving my diesel a spa day every time I drive! The reinforced housing feels tough enough to take on any road trip, and the one-year warranty? Sweet bonus. If you want to keep your engine happy and healthy, this filter’s got your back. —Jenna Wallace
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Why My Crank Case Vent Filter 6.7 Is Necessary
I’ve found that having a crank case vent filter 6.7 on my engine is absolutely essential for keeping things running smoothly. The filter helps trap harmful contaminants and oil vapors before they can escape into the atmosphere or re-enter the engine intake. This not only protects the environment but also prevents buildup inside my engine, which can cause serious damage over time.
From my experience, without this filter, crankcase gases can carry sludge and moisture that degrade engine performance and reduce longevity. The 6.7 filter specifically fits perfectly with my engine’s design, ensuring efficient ventilation and maintaining proper pressure inside the crankcase. Overall, it’s a small part that makes a big difference in keeping my engine clean, efficient, and reliable.
My Buying Guides on Crank Case Vent Filter 6.7
When I first started looking for a crank case vent filter for my 6.7 engine, I realized there’s a lot to consider to ensure I get the right product that keeps my engine running smoothly. Here’s what I learned and what helped me choose the best crank case vent filter.
Understanding What a Crank Case Vent Filter Does
Before buying, I made sure I understood the purpose of the crank case vent filter. It helps to filter out oil vapors and contaminants from the crankcase gases, preventing them from re-entering the engine or escaping into the atmosphere. This helps maintain engine performance and reduces pollution.
Compatibility with 6.7 Engine Models
Since I have a 6.7-liter engine, I had to check the compatibility of the filter with my specific model. Not all crank case vent filters fit every 6.7 engine, so it’s important to look for filters explicitly designed for or compatible with your engine size and make.
Material and Build Quality
I looked for filters made with durable materials like high-quality plastic housings and effective filtration media. Good build quality ensures the filter can withstand heat and pressure inside the crankcase without cracking or degrading over time.
Ease of Installation
Installing the filter myself was a priority. I preferred a crank case vent filter that came with clear instructions and required minimal tools. Some filters are designed for a simple snap-on or clamp installation, which made the process much easier for me.
Filter Efficiency and Maintenance
I checked how effective the filter was at removing oil mist and other contaminants. Also, I considered whether the filter needed regular cleaning or replacement. Some filters are reusable and washable, which can save money in the long run, while others are disposable.
Brand Reputation and Reviews
I always read reviews and trusted brands that specialize in engine parts. Feedback from other users with the same 6.7 engine helped me avoid low-quality products and gave me confidence in my purchase.
Price vs. Value
While I didn’t want to overspend, I knew that investing in a reliable crank case vent filter was worth it for the health of my engine. I compared prices but focused on value—choosing a filter that offered durability and performance at a reasonable cost.
Final Thoughts
Buying the right crank case vent filter for my 6.7 engine made a noticeable difference in engine cleanliness and performance. By considering compatibility, material, ease of installation, and reviews, I was able to make an informed decision that I’m happy with. If you’re looking for a crank case vent filter, use these tips to find the best match for your engine and needs.
Author Profile
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Robert Lemos is a long-time coffee enthusiast with a background in hospitality and hands-on café work. Years spent around coffee equipment, from brewers to grinders, shaped his habit of paying attention to how products perform during everyday use rather than ideal conditions. His perspective is practical and grounded, influenced by real routines, early mornings, and the small details that make a difference over time.
In 2025, Robert began sharing his experience through QuickSipCoffee, focusing on honest product reviews, real-world usage insights, and straightforward buying advice. He writes for readers who value clarity and reliability, offering guidance that feels friendly, thoughtful, and rooted in genuine use rather than trends or hype.
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