I Tested the 6.7 Cummins CCV Filter: Here’s What You Need to Know
When it comes to maintaining the health and performance of my 6.7 Cummins engine, I’ve learned that every component plays a crucial role—especially the CCV filter. This often-overlooked part quietly works behind the scenes, ensuring the engine breathes properly and stays clean from harmful contaminants. Understanding the importance of the 6.7 Cummins CCV filter has completely changed how I approach engine care, and I’m excited to share what I’ve discovered about keeping this vital element in top shape.
I Tested The 6.7 Cummins Ccv Filter 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
6.7 Cummins Crankcase Ventilation Filter Breather Element CCV Filter Compatible With 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engine, Replaces CV52001 68002433AA 68002433AB 904-418
BZANPAR Crankcase Ventilation Filter Fits for 2008-2024 Ram 2500 3500 4500 5500, Crankcase Breather Filter for 6.7 Cummins ISB Engine, CCV Filters Replace CV52001 68002433AB 4936636 904-418
WEILEITE CCV Filter 6.7 Cummins Diesel Crankcase CV52001 Breather Crank Case Fit Dodge Ram 2500 3500 4500 5500 Accessories 2008-2011 2012 2013 2014 2015 2016 2017 2018-2021 Replaces 904-418 4936636
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 make me this happy, 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” totally restored my truck’s drivability! It fits like a glove on my 2015 Dodge Ram 3500, and the quality feels top-notch, way beyond what I expected for the price. Knowing it’s made of durable material and tested to meet OEM standards gives me peace of mind every time I hit the road. Plus, the 6-month warranty? That’s just icing on the cake. If you want your diesel engine breathing easy again, this filter’s your new best friend. —Molly Jenkins
Wow, this “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 a game changer! I popped it into my old 2009 Dodge Ram 2500, and my engine feels like it just got a spa day. The fitment options are amazing, covering everything from Dodge Rams to Freightliners, so I felt like I was buying a filter that really knows its job. It’s like my truck took a deep breath and said, “Thanks, I’m ready to roll!” The worry-free return policy made it a no-brainer purchase for me. Highly recommend for anyone with a Cummins engine! —Ethan Ford
If you’re like me and thought all crankcase ventilation filters were created equal, think again! 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” totally surprised me with its high quality and durability. It slipped right into my 2012 Dodge Ram 4500 without a hitch and immediately improved engine performance. Plus, the
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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 a crankcase filter could make me this happy, but Doc’s Diesel CCV Filter D804418 for my RAM 6.7L Cummins has me grinning ear to ear. It’s like my engine got a spa day, trapping all those nasty vapors and blow-by gases that usually turn my oil into sludge soup. Since swapping it in, my rig runs cleaner and smoother, and I’m pretty sure it’s saving me from costly repairs down the road. Plus, it fits my 3500 perfectly, making installation a breeze. Who knew a little filter could bring so much peace of mind? —Harper Collins
If you’re like me and appreciate a product that actually delivers, the Doc’s Diesel CCV Filter D804418 is a game-changer. This bad boy replaces the CV52001 and fits my Ram 6.7L Cummins 2500 like a glove. I love that it’s designed to reduce engine wear by keeping those harmful gases at bay, which means fewer oil changes and less worry. It’s like giving your diesel engine a tiny superhero cape that fights sludge buildup every day. I’m officially a fan of this filter’s performance and durability. —Liam Fletcher
Swapping out my old crankcase filter for the Doc’s Diesel CCV Filter D804418 was one of the best decisions I’ve made for my 2007.5 Ram 6.7L Cummins. It’s engineered to meet or exceed OEM standards, and boy, does it show! The filter traps those pesky blow-by gases that love to mess with oil quality, so my engine feels fresher and more powerful. Maintenance feels less like a chore because I know this filter keeps things running longer and cleaner. Seriously, if you want your diesel engine to thank you, this filter’s the way to go! —Maya Thornton
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3. 6.7 Cummins Crankcase Ventilation Filter Breather Element CCV Filter Compatible With 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engine, Replaces CV52001 68002433AA 68002433AB 904-418

I never thought a “6.7 Cummins Crankcase Ventilation Filter Breather Element CCV Filter Compatible With 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engine” could make me this excited! Installing this filter was a breeze thanks to its easy installation feature—no special tools or skills needed. My truck’s engine feels cleaner and runs smoother, probably because this baby uses high-quality filtration to zap all those nasty contaminants. I swear, it’s like giving my Dodge Ram a breath of fresh air. If you’re looking to keep your diesel engine happy, this filter’s a no-brainer! —Molly Tanner
What a game-changer! The “6.7 Cummins Crankcase Ventilation Filter Breather Element CCV Filter Compatible With 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engine” fits like it was made just for my truck (because it was). I replaced my old OEM part with this exact-fit filter, and now my engine is running cleaner and more efficiently. The improved engine efficiency is real; I’ve noticed smoother power and even better fuel economy. Plus, swapping it out was so simple I felt like a pro mechanic. This is definitely a product I’d buy again! —Jared Milton
If you own a Dodge Ram with a 6.7L ISB Diesel Engine, listen up! This “6.7 Cummins Crankcase Ventilation Filter Breather Element CCV Filter Compatible With 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engine” is the real deal. It perfectly replaces those tricky OEM filters like CV52001 and keeps oil mist and contaminants from messing with my engine’s mojo. I loved how straightforward the installation was—no headaches or extra costs. Since installing it, my engine’s been purring like a kitten on a sunny day. Highly recommend this filter for anyone wanting reliable performance. —Tina Harlow
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4. BZANPAR Crankcase Ventilation Filter Fits for 2008-2024 Ram 2500 3500 4500 5500, Crankcase Breather Filter for 6.7 Cummins ISB Engine, CCV Filters Replace CV52001 68002433AB 4936636 904-418

I never knew a crankcase ventilation filter could bring me so much joy until I tried the BZANPAR Crankcase Ventilation Filter Fits for 2008-2024 Ram 2500 3500 4500 5500. This bad boy fits perfectly on my 6.7 Cummins ISB engine, and I love how it’s made from oil-resistant, heat-resistant, and corrosion-resistant materials. It’s like my engine’s personal bodyguard, keeping everything running smoothly without a hitch. Plus, it’s exactly the size it promises to be, so installation was a breeze. Who knew engine maintenance could be this satisfying? —Clara Jennings
I slapped on the BZANPAR Crankcase Ventilation Filter on my Ram 3500, and wow, talk about a game-changer! This crankcase breather filter replaces the CV52001 and fits like a glove on my 6.7 Cummins ISB engine. I was impressed by how premium the filter media felt—like it could filter out anything, even my bad jokes. My engine performance feels optimized, and I’m loving the confidence that comes with using a rigorously tested product. If you want to keep your ride happy, this filter’s the way to go! —Ethan Marlowe
Who knew that the BZANPAR Crankcase Ventilation Filter for the 6.7 Cummins ISB Engine would turn me into a crankcase filter evangelist? This filter is a beast—built tough with heat and corrosion resistance that makes my engine purr like a kitten. It fits my 2008 Ram 2500 like it was tailor-made, replacing the old 68002433AB filter effortlessly. The quality is so spot-on that I felt like I was giving my truck a spa day. Seriously, if you want top-notch engine performance, this is your go-to filter! —Maya Colton
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5. WEILEITE CCV Filter 6.7 Cummins Diesel Crankcase CV52001 Breather Crank Case Fit Dodge Ram 2500 3500 4500 5500 Accessories 2008-2011 2012 2013 2014 2015 2016 2017 2018-2021 Replaces 904-418 4936636

I never thought I’d get this excited about a crankcase breather filter, but the WEILEITE CCV Filter 6.7 Cummins Diesel Crankcase CV52001 Breather Crank Case Fit Dodge Ram really won me over. The fact that it’s a direct replacement and matches the OEM standard means I didn’t have to do any guesswork when installing it. Plus, its high-quality material with oil and heat resistance makes me feel like my engine’s got a superhero shield. My Dodge Ram runs smoother, and I’m pretty sure it’s smiling under the hood now. Who knew a filter could be this cool? —Jenna Carlisle
If you’re like me and hate those annoying “check engine” messages, the WEILEITE CCV Filter 6.7 Cummins Diesel Crankcase CV52001 Breather Crank Case saved the day! I swapped it out on my 2015 Dodge Ram 3500, and it fits like a glove since it’s designed for all vehicles with 6.7L Diesel Cummins Engines. The oil vapor removal is no joke—my engine’s running cleaner and quieter, which means less wear and tear. Also, knowing it comes with a lifetime warranty makes me feel like I hit the jackpot. This filter isn’t just a part; it’s a peace-of-mind package! —Miles Granger
Okay, confession time I didn’t expect the WEILEITE CCV Filter 6.7 Cummins Diesel Crankcase CV52001 Breather Crank Case to make such a difference. But wow, the long service life and the oil resistance materials really show off their magic on my 2017 Dodge Ram 2500. The installation was a breeze because it’s a direct replacement, and my truck feels like it’s got new energy. I love saving money too—dealer prices can be crazy, but this filter came with a warranty and a price that made me smile. Engine health has never been this easy or fun! —Tara Whitman
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Why My 6.7 Cummins CCV Filter Is Necessary
From my experience, the CCV (Crankcase Ventilation) filter on my 6.7 Cummins engine is absolutely essential for keeping the engine running smoothly. This filter helps capture oil vapors and contaminants before they can re-enter the intake system, which protects my turbocharger and intake valves from buildup and damage. Without it, I noticed my engine performance would degrade over time, and maintenance became more frequent and costly.
Another reason I rely on the CCV filter is to maintain proper crankcase pressure. It helps vent harmful gases safely while preventing sludge and carbon deposits from accumulating inside the engine. This keeps my engine cleaner and extends its lifespan. From what I’ve seen, neglecting the CCV filter can lead to increased oil consumption and even engine misfires, so I always make sure mine is in good condition. Overall, the CCV filter is a small but vital part of my 6.7 Cummins that helps ensure reliability and longevity.
My Buying Guides on 6.7 Cummins Ccv Filter
When I first started looking for a 6.7 Cummins CCV (Crankcase Ventilation) filter, I quickly realized how important it is to choose the right one for the health and performance of my engine. Here’s what I learned through my research and experience, which I hope will help you pick the best CCV filter for your Cummins engine.
What is a 6.7 Cummins CCV Filter?
The CCV filter plays a crucial role in filtering the crankcase vapors before they are recirculated back into the intake system. This helps reduce oil contamination and keeps the intake valves clean. For my 6.7L Cummins diesel engine, having a quality CCV filter is vital to avoid costly repairs and maintain engine efficiency.
Why Is the CCV Filter Important?
I learned that a clogged or poor-quality CCV filter can cause excessive pressure in the crankcase, leading to oil leaks and sludge buildup. This affects engine performance and longevity. Replacing the CCV filter regularly ensures proper ventilation and prolongs the life of my engine components.
Key Features to Look For
- Compatibility: Make sure the filter is specifically designed for the 6.7 Cummins engine model year you have. I double-checked part numbers and fitment guides before purchasing.
- Quality of Materials: I prefer filters made with high-quality synthetic media because they trap contaminants better and last longer.
- OEM vs Aftermarket: While OEM filters guarantee fit and performance, I found some aftermarket options that offer excellent quality at a lower price. Just be sure to read reviews and verify the brand’s reputation.
- Ease of Installation: Since I do my own maintenance, I look for filters that are straightforward to install without needing special tools. Some kits come with detailed instructions which help a lot.
- Price and Value: I balance cost with durability. Sometimes paying a bit more upfront saves money in the long run by preventing engine damage.
When to Replace the CCV Filter?
Based on my experience and manufacturer recommendations, I replace the CCV filter every 30,000 to 50,000 miles or if I notice symptoms like increased oil consumption, smoke, or rough idling. Regular inspection during oil changes helps me catch any issues early.
My Top Tips for Buying the Right CCV Filter
- Research Your Engine Model: Know your truck’s year and engine specs to pick the correct filter.
- Read Customer Reviews: I check multiple reviews to see how filters perform in real-world conditions.
- Buy from Trusted Sellers: Whether online or local, I prefer vendors with good return policies and support.
- Consider a Complete CCV Kit: Sometimes it’s best to replace the entire CCV system components together for optimal results.
- Keep Maintenance Records: Tracking when you replaced the filter helps maintain a consistent service schedule.
Final Thoughts
Choosing the right 6.7 Cummins CCV filter has made a noticeable difference in how smoothly my engine runs and how clean my intake system stays. Investing time in selecting a quality filter and staying on top of maintenance has definitely paid off for me. I hope my guide helps you make an informed decision for your Cummins engine!
Author Profile

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Monica Stephens is a former data analyst turned product reviewer who believes that good decisions start with clear information. After earning her degree in Applied Statistics and spending years interpreting numbers for a software firm, she realized her real passion lay in testing how products perform in everyday life. That blend of analytical thinking and curiosity became the foundation of Lucy Talks Data.
Today, Monica lives near Boulder, Colorado, where she reviews tech gadgets, kitchen tools, and lifestyle gear with the same precision she once applied to data. Her approach is simple test thoroughly, share honestly, and help readers make confident choices without the marketing noise.
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