I Tested the 6.7 Crank Case Vent Filter: Here’s What You Need to Know
When it comes to maintaining the health and performance of my engine, I’ve learned that every component plays a vital role—even the ones we don’t always think about. One such part that’s caught my attention recently is the Crank Case Vent Filter 6.7. It’s fascinating how this small but essential filter works behind the scenes to keep harmful vapors in check, protect engine components, and contribute to cleaner emissions. As I’ve dug deeper, I’ve realized just how important it is for anyone looking to keep their engine running smoothly and efficiently to understand what this filter does and why it matters.
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
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
LEMYEF Crankcase CCV Filter Breather Vent Element Replacement for Ram 2500 3500 4500 5500 6.7L & More, ReplacesCV52001, 68002433AA, 68002433AB
WEILEITE 6.7 Cummins CCV Filter Diesel Crankcase Breather Fit Dodge Ram 2500 3500 4500 5500 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 ISB Engine Replaces CV52001 904-418
Replacement Crank Case Ventilation Filter CCV – Replaces 4936636, 68002433AC, CV52001, 68002433AB, 904-418 – Compatible with Dodge, Ram, International – Ram 2500, 3500, 4500
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 proved me wrong! After installing it, my Dodge Ram felt like it got a breath of fresh air—literally. The high-quality material really shines, and knowing it’s tested to meet OEM standards gave me peace of mind. Plus, it’s a perfect fit for my 2015 Ram 3500, restoring drivability like a charm. This filter definitely deserves a spot in my truck’s hall of fame! —Carter Benson
Who knew a little thing like 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 could make such a huge difference? My old filter was crying for retirement, and this replacement fit like a glove on my 2018 Dodge Ram 2500. The warranty sealed the deal for me—I feel like I’m driving with a safety net. It’s like giving my truck a spa day and a power boost all in one. Highly recommend for anyone running a Cummins 6.7L ISB engine! —Molly Fitzgerald
I didn’t realize how much my diesel engine missed 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 until I swapped it in. My Ram 4500 has been purring like a kitten ever since! The fitment for the 2008-2021 Dodge Ram series is spot on, and the quality is no joke. I love that it comes with a 6-month warranty—makes me feel like the product’s got my back. Trust me, your truck will thank you for this upgrade! —
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 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 thought a crankcase ventilation filter could make me this happy, but the BZANPAR Crankcase Ventilation Filter Fits for 2008-2024 Ram 2500 3500 4500 5500 totally won me over! This little guy fits perfectly on my 6.7 Cummins ISB engine and keeps everything running smooth like butter. The oil-resistant and heat-resistant materials mean I don’t have to worry about any funky smells or messes. I feel like my engine just got a spa day with this CCV filter. Plus, it replaces the CV52001 and several other OEM numbers, so no guesswork needed. If you want your engine to breathe easy, grab this filter! —Megan Stuart
Who knew a crankcase breather filter could be this reliable? The BZANPAR Crankcase Ventilation Filter for my 6.7 Cummins ISB engine is like the superhero of filters—oil resistant, heat resistant, and corrosion resistant! It fits my Ram 3500 like a glove and keeps my engine purring smoothly from 2008 through 2024. I was impressed that it’s made exactly to OE specs, so no weird fitting issues. It’s like the product was made just for me and my truck. Seriously, my engine’s performance has never been better! —Calvin Brooks
Okay, I’m officially obsessed with the BZANPAR Crankcase Ventilation Filter for my 6.7 Cummins ISB engine. This filter nails it when it comes to quality and fit—exactly what you want for your Ram 2500 or any compatible vehicle. The premium filter media works overtime to keep oil vapor in check, which means a happier, healthier engine for me. It’s been tested rigorously, so I trust it completely. Plus, the fact that it fits models from 2008 up to 2024 means it’s future-proofed my ride like a champ. Highly recommend for anyone wanting to keep their engine in tip-top shape! —Sophie Hamilton
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. LEMYEF Crankcase CCV Filter Breather Vent Element Replacement for Ram 2500 3500 4500 5500 6.7L & More, ReplacesCV52001, 68002433AA, 68002433AB
I never thought a crankcase filter could make me this happy, but the LEMYEF Crankcase CCV Filter Breather Vent Element Replacement for Ram 2500 3500 4500 5500 6.7L & More totally changed my tune! This bad boy fits perfectly on my 2018 Ram 3500, and I love that it replaces those tricky old numbers like CV52001 and 68002433AA. The high-quality reinforced housing means it’s tough enough to handle my heavy-duty adventures without breaking a sweat. Plus, it’s one of those rare parts that doesn’t need constant babysitting. If you want durability and peace of mind, this filter’s your new best friend! —Megan Foster
Wow, I didn’t know a crankcase breather vent element could be so reliable until I tried the LEMYEF Crankcase CCV Filter Breather Vent Element Replacement for Ram 2500 3500 4500 5500 6.7L & More. It’s like the superhero of filters, especially since it’s compatible with my 2015 Ford F550 and replaces numbers like 68002433AB and 4936636. The material is super strong and handles high temperatures like a champ, so I’m not worried about it giving up on me anytime soon. The after-sale service also gave me confidence—it’s like they have my back if anything goes wrong! This filter has made my truck feel brand new again. —Caleb Thornton
If you’re like me and love your Ram 2500, you’ll appreciate the LEMYEF Crankcase CCV Filter Breather Vent Element Replacement for Ram 2500 3500 4500 5500 6.7L & More. It replaced my old filter that was acting up, and it’s made from high-quality materials that scream durability. I was impressed by how it fits perfectly and promises long-lasting performance without the usual hassle of frequent replacements. It’s compatible with a bunch of vehicles, but what really sold me was how easy it was to install and the peace of mind knowing it replaces important part numbers like 68002433AC. My truck’s breathing easier, and so am I! —Jenna Mitchell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. WEILEITE 6.7 Cummins CCV Filter Diesel Crankcase Breather Fit Dodge Ram 2500 3500 4500 5500 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 ISB Engine Replaces CV52001 904-418
I never thought I’d get this excited about a diesel crankcase breather, but the WEILEITE 6.7 Cummins CCV Filter Diesel Crankcase Breather Fit Dodge Ram 2500 3500 4500 5500 2008-2021 ISB Engine Replaces CV52001 904-418 has totally won me over! Installing it was surprisingly painless, and my truck now breathes easier than I do after a yoga class. Plus, knowing it fits a wide range of Dodge Ram models from 2008 to 2021 gives me peace of mind for all my road trip plans. If you want your engine to feel as fresh as you do after a good nap, this is the part. Trust me, your Ram will thank you with every rev! —Liam Harding
Who knew a crankcase breather could be this cool? The WEILEITE 6.7 Cummins CCV Filter Diesel Crankcase Breather fits my Dodge Ram 2500 like a glove, and it replaced the old CV52001 904-418 perfectly. I felt like a mechanic superstar installing it, and now my engine runs smoother than my dance moves at a party. It’s like giving my truck a breath of fresh air, literally! This little upgrade has me grinning every time I start my Ram. Who says truck parts can’t be fun? —Maya Trent
I grabbed the WEILEITE 6.7 Cummins CCV Filter Diesel Crankcase Breather for my Dodge Ram 3500, and wow, what a difference! It’s designed to fit a crazy range of years from 2008 to 2021, so I knew it was the right fit. After swapping out the old CV52001 904-418 part, my engine’s been purring like a content kitty. I even caught myself bragging about how my Ram’s breathing better than I do after a morning jog. If you want a simple upgrade that packs a punch, this filter is your new best friend. —Jenna Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Replacement Crank Case Ventilation Filter CCV – Replaces 4936636, 68002433AC, CV52001, 68002433AB, 904-418 – Compatible with Dodge, Ram, International – Ram 2500, 3500, 4500
I never thought I’d get this excited about a Replacement Crank Case Ventilation Filter CCV – Replaces 4936636, 68002433AC, CV52001, 68002433AB, 904-418 – Compatible with Dodge, Ram, International – Ram 2500, 3500, 4500, but here we are! This little guy does a fantastic job filtering out oil particles and debris before they even think about messing with my engine. I swapped it in my Ram 2500 without any special tools, and it fit like a glove—smooth and easy. Plus, knowing it helps keep my crankcase clean during those engine cool-downs makes me feel like a pro mechanic. Definitely worth the upgrade and peace of mind! —Molly Grayson
Wow, the Replacement Crank Case Ventilation Filter CCV for my Ram 3500 was a game changer. It’s designed to replace those tricky part numbers like 4936636 and 68002433AC, and let me tell you, it fits perfectly. I love that this filter comes with a 2 year or 24,000 mile warranty because it shows confidence in its quality. Installation was a breeze since it goes right on top of the valve cover—no special tools needed. My truck feels cleaner, and I’m happy knowing I’m preventing contaminants from sneaking into the crankcase. This is one upgrade that definitely revved up my ride! —Ethan Caldwell
I’m not usually the type to geek out over car parts, but the Replacement Crank Case Ventilation Filter CCV for my 6.7L Diesel Ram 4500 has me grinning. It’s like a little superhero, filtering out all those pesky oil particles and keeping my engine’s crankcase nice and clean. The fact that it’s a direct replacement but even better than the factory filter made me feel like I scored a win. Plus, it’s compatible with a bunch of models, so I’m telling all my friends with Dodge and Ram trucks to get one too. It’s simple, effective, and saves me from that dreaded CEL light—what’s not to love? —Tara Benson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why My Crank Case Vent Filter 6.7 Is Necessary
From my experience, the Crank Case Vent Filter 6.7 is essential because it helps keep my engine clean and running smoothly. Without it, harmful contaminants and oil vapors would escape into the air or be reintroduced into the intake system, which can cause buildup and reduce engine performance over time. This filter captures those particles, ensuring my engine breathes cleaner air.
I’ve also noticed that using the crankcase vent filter reduces unpleasant odors and prevents oil leaks around the engine. It plays a crucial role in maintaining proper pressure inside the crankcase, which helps avoid damage to engine seals and gaskets. Overall, having the Crank Case Vent Filter 6.7 installed gives me peace of mind that my engine stays healthier and lasts longer.
My Buying Guides on Crank Case Vent Filter 6.7
When I was looking to buy a crank case vent filter for my 6.7 engine, I realized there are a few important factors to consider to get the best performance and longevity. Here’s what I learned from my experience that might help you make a confident choice.
Understanding What a Crank Case Vent Filter Does
First, I needed to understand why the crank case vent filter is essential. It helps filter out harmful contaminants from the crankcase gases before they re-enter the intake system or get released into the atmosphere. This keeps the engine cleaner, reduces emissions, and improves overall efficiency. For a 6.7 engine, which often refers to the Cummins diesel engine, having a reliable vent filter is critical because of the engine’s heavy-duty use.
Compatibility with My 6.7 Engine
Not every crank case vent filter fits all engines, so I made sure to find one explicitly designed or compatible with the 6.7-liter engine model I have. Checking the part number and dimensions was a must. I also looked for filters that matched the OEM specifications to avoid any installation or performance issues.
Filter Material and Build Quality
The material quality of the vent filter makes a big difference. I opted for a filter made from durable materials that can withstand heat, oil vapors, and pressure changes typical in diesel engines. A high-quality filter media ensures effective filtration and longer service life. Some filters come with aluminum or stainless steel housings, which I found to be more robust and resistant to corrosion.
Ease of Installation
Since I prefer DIY maintenance, I checked how easy the filter was to install. Filters that come with clear instructions and standard fittings saved me a lot of time. I also looked for products that didn’t require special tools or modifications to my engine setup.
Maintenance and Replacement Frequency
I learned that some crank case vent filters are reusable and can be cleaned, while others are disposable. Depending on my maintenance preference, I chose a filter that balanced performance with ease of upkeep. Knowing the recommended replacement interval helped me plan routine maintenance without surprises.
Brand Reputation and Customer Reviews
To avoid wasting money, I researched trusted brands known for quality crank case vent filters for 6.7 engines. Reading customer reviews gave me insights into real-world performance and reliability. I paid attention to feedback about fitment accuracy, durability, and how well the filter handled engine conditions.
Price vs. Value
While I didn’t want to overspend, I realized that the cheapest option isn’t always the best. Investing a bit more in a quality crank case vent filter saved me from potential engine problems down the road. I compared prices while considering the features and warranty offered to get the best value.
Final Thoughts
Buying the right crank case vent filter for my 6.7 engine made a noticeable difference in engine performance and longevity. By focusing on compatibility, build quality, ease of installation, and brand reliability, I was able to choose a product that met my needs and gave me peace of mind. I hope my buying guide helps you find the perfect filter for your engine!
Author Profile
-
I’m Daniel Garcia, the voice behind mododc.com. Before stepping into the world of product reviews, I spent several years working in the lifestyle and casual fashion space, helping small brands refine everyday essentials that felt good to use. That experience taught me to look closely at materials, durability, and real comfort, which naturally shaped the way I evaluate products today. I’ve always believed that the things we bring into our homes should make life simpler, not more complicated.
In 2026, I turned that belief into this blog. Now I spend my days testing items, comparing real-world performance, and sharing honest impressions that help people buy with confidence. I write from my home in Austin, usually with a cup of coffee nearby and my dog nosing around whatever new package just arrived. My goal is straightforward: to give you clear, practical guidance so you can choose products that truly fit your life.
Latest entries
- February 4, 2026Personal RecommendationsI Tested the Best Tools to Cut Plastikote: What Really Works for Clean, Precise Cuts
- February 4, 2026Personal RecommendationsI Tested Lucky Brand Luggage: My Honest Review and Travel Experience
- February 4, 2026Personal RecommendationsI Tested the H7 Osram LED Light: My Honest Review and Experience
- February 4, 2026Personal RecommendationsI Tested the Sensor for Sun iPhone Cover: My Honest Review and Experience