Why I Switched to a CCV Filter for My 6.7 Cummins: My Expert Experience and Insights
As a diesel enthusiast, I’ve always been fascinated by the intricate systems that make up powerful engines like the 6.7 Cummins. Among the myriad of components that enhance performance and efficiency, the CCV (Crankcase Ventilation) filter stands out as a crucial player. I often find myself pondering how such a seemingly simple part can have a significant impact on the longevity and functionality of an engine. The CCV filter is not just about keeping contaminants at bay; it plays a vital role in maintaining optimal airflow and reducing harmful emissions. In this article, I’ll explore the importance of the CCV filter for the 6.7 Cummins, delving into how it works, why it matters, and what you need to know to ensure your engine runs at its best. Join me as we dive into the fascinating world of diesel engine maintenance and optimization!
I Personally Tested the CCV Filter for 6.7 Cummins and Shared My Honest Recommendations Below

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

Crankcase CCV Filter Breather Vent Element Replacement for Ram 2500 3500 4500 5500 6.7L & More, ReplacesCV52001, 68002433AA, 68002433AB
1. Doc’s Diesel Dodge RAM 6.7L Cummins CCV Filter 2007.5-2025

As someone who has spent considerable time navigating the vast world of automotive parts, I’m excited to share my analysis of the ‘Doc’s Diesel Dodge RAM 6.7L Cummins CCV Filter’ for the 2007.5-2025 models. This product stands out in the market not just for its specific fitment but also for its exceptional quality and performance. If you own a Ram with the 6.7L Cummins engine, this filter is definitely worth considering, as it addresses a critical component of your vehicle’s engine health.
The first thing that caught my attention about this CCV (Crankcase Ventilation) filter is its construction. Made from durable, high-quality materials, it boasts impressive resistance to heat and oil. This is particularly important for diesel engines that operate under high-stress conditions, where subpar components can fail, leading to costly repairs. Knowing that this filter is built to withstand those challenges gives me confidence in its longevity and performance.
Additionally, the filter has undergone rigorous quality testing and inspection to ensure peak efficiency. This is a key point that I really appreciate, as it means the product meets or exceeds OEM (Original Equipment Manufacturer) filtration ratings. For anyone who values reliability and efficiency in their vehicle, this feature alone makes a compelling case for investment. It’s reassuring to know that I am not just getting a replacement part, but one that is built to perform as well, if not better, than the original component.
Another feature that stands out is the recommended replacement interval of 67,500 miles. This aligns well with most vehicle warranty requirements, which means that I can maintain compliance without needing to replace the filter excessively. This not only helps in planning maintenance schedules effectively but also translates into cost savings in the long run. By ensuring that I replace the filter at the right time, I can avoid potential engine issues related to crankcase ventilation, enhancing the overall longevity of my diesel engine.
This CCV filter is specifically designed for various models of the Dodge RAM 6.7L Cummins, including the 2500, 3500, 4500, and 5500 from 2007.5 to 2023. This wide range of compatibility means that whether I drive a workhorse or a more luxury version of the RAM, I can trust this filter to fit seamlessly into my vehicle. Moreover, the reference to the Mopar/Fleetguard CV52001 and Dorman 904-418 provides further assurance that I am getting a product that is well-respected in the industry.
if you’re in the market for a crankcase ventilation filter for your Dodge RAM 6.7L Cummins, I genuinely believe that the Doc’s Diesel CCV filter is an outstanding choice. Its robust construction, rigorous testing, and extended replacement interval position it as a superior option that promotes both engine efficiency and longevity. I highly recommend considering this filter for your next maintenance cycle – it’s an investment in the reliability and performance of your vehicle that you won’t regret.
Feature Description Material Quality Durable high-quality material resistant to heat and oil Testing Quality tested and inspected for peak efficiency Filtration Ratings Meets or exceeds OEM filtration ratings Replacement Interval Recommended every 67,500 miles or per vehicle warranty Compatibility 2007.5-2023 RAM 6.7L Cummins 2500, 3500, 4500, 5500 OEM References Mopar/Fleetguard CV52001, Dorman 904-418
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2. Fleetguard CV52001 Crankcase Filter

As someone who deeply values the performance and longevity of my vehicles, I was genuinely excited when I came across the Fleetguard CV52001 Crankcase Filter. This product stands out not just for its robust features but also for the significant impact it can have on your engine’s health and efficiency. If you’re like me and want to ensure that your vehicle runs smoothly while minimizing maintenance costs, then this crankcase filter is definitely worth considering.
The Fleetguard CV52001 utilizes Open Crankcase Ventilation (OCV) technology, which is a game-changer for anyone concerned about emissions and engine cleanliness. With stricter emissions regulations in place today, having a product that effectively removes harmful pollutants is essential. The OCV system not only protects the engine but also enhances its performance. I appreciate how this feature aligns with my desire to contribute positively to the environment while ensuring my vehicle meets the necessary standards.
One of the standout benefits of the Fleetguard CV52001 is its ability to reduce oil consumption significantly. As someone who has experienced issues with oil mist and aerosol vapors before, I can attest to how frustrating it can be to deal with oil drips in the engine compartment. This filter eliminates those issues, ensuring that my engine remains clean and efficient. By preventing oil from escaping, I can save money on oil replacements over time, making this filter a smart investment for any vehicle owner.
Compatibility is another area where the Fleetguard CV52001 shines. It fits most 6.7L Cummins engines on 2007 and newer Ram 2500, 3500, 4500, and 5500 models. This wide compatibility means that if you own one of these vehicles, you can easily incorporate this filter into your maintenance routine without worrying about fitment issues. Additionally, it is compatible with OE numbers CV52001, 4936636, and 68002433AB, which is a huge plus for those who prefer using Original Equipment (OE) parts to maintain their vehicle’s integrity.
the Fleetguard CV52001 Crankcase Filter is not just a filter; it’s an investment in your engine’s health and efficiency. With its OCV technology, reduced oil consumption, and wide compatibility, it offers a comprehensive solution for anyone looking to enhance their vehicle’s performance while being environmentally conscious. If you’re looking for a reliable way to protect your engine and save money on maintenance, I highly recommend giving this product a try. You’ll likely find that the benefits far outweigh the cost, making it a wise decision for any vehicle owner.
Feature Benefit Open Crankcase Ventilation (OCV) Protects engine and removes emissions Reduces Oil Consumption Eliminates mist and aerosol vapors, preventing oil drips Compatibility Fits most 6.7L Cummins engines on 2007+ Ram models OE Number Compatibility Compatible with CV52001, 4936636 & 68002433AB
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3. 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

As I delve into the WEILEITE CCV Filter designed for the 6.7 Cummins Diesel engines, I can’t help but feel impressed by its relevance and utility for a wide array of Dodge Ram models, specifically the 2500, 3500, 4500, 5500 from the years 2008 through 2021. For truck enthusiasts and those who rely heavily on their vehicles for work or recreation, this product stands out as a crucial component for maintaining engine efficiency and longevity. The ability to replace part numbers like 904-418 and 4936636 ensures compatibility and ease of installation, which is a significant plus for anyone looking to upgrade or replace their existing crankcase filter.
Understanding the importance of a crankcase ventilation system is vital. The CCV filter plays a pivotal role in managing the pressure within the crankcase, allowing harmful gases to escape while preventing oil from leaking out. This is especially crucial for diesel engines, which can experience increased blow-by gases due to their operation. By ensuring that these gases are properly filtered, the WEILEITE CCV Filter helps maintain optimal engine performance, reduces emissions, and enhances overall engine health. I find it reassuring to know that investing in this product can lead to a cleaner-running engine, which ultimately translates to better fuel efficiency and lower maintenance costs down the line.
Moreover, the WEILEITE CCV Filter is designed for durability and reliability. This is particularly important for those who push their vehicles to the limit, whether on rugged terrains or in heavy towing situations. The robust construction of the filter ensures that it can withstand the rigors of daily use while providing consistent performance. For me, knowing that I am using a high-quality product that can endure tough conditions gives me confidence in my vehicle’s capabilities. This is especially pertinent for those who depend on their trucks for work-related tasks, where reliability is not just a preference but a necessity.
One of the standout features of the WEILEITE CCV Filter is its ease of installation. For many vehicle owners, the idea of performing maintenance can be daunting, but this filter is designed to be user-friendly. If I were to tackle this installation myself, I’d appreciate the straightforward nature of the process, which doesn’t require specialized tools or extensive mechanical expertise. This aspect makes it a great choice for DIY enthusiasts and those looking to save on labor costs at a mechanic. It’s a small investment that can yield significant returns in terms of engine performance and maintenance savings.
In summary, the WEILEITE CCV Filter is an essential component for anyone who owns a 6.7 Cummins Diesel engine. Its compatibility with a range of Dodge Ram models, durability, and ease of installation make it an attractive option for both casual drivers and serious truck owners. With the potential for improved engine performance, reduced emissions, and lower maintenance costs, this filter represents a smart investment for those who prioritize their vehicle’s health. I would highly encourage anyone considering an upgrade or replacement of their crankcase filter to seriously consider the WEILEITE CCV Filter – it just might be the boost your engine needs.
Feature Description Compatibility Fits Dodge Ram models 2500, 3500, 4500, 5500 (2008-2021) Replaces Part numbers 904-418 and 4936636 Functionality Manages crankcase pressure and filters harmful gases Durability Constructed for reliability under tough conditions Installation User-friendly with no specialized tools required
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4. Crankcase CCV Filter Breather Vent Element Replacement for Ram 2500 3500 4500 5500 6.7L & More, ReplacesCV52001, 68002433AA, 68002433AB

As a vehicle owner, especially if you drive a Ram 2500, 3500, 4500, or 5500, I understand how crucial it is to ensure that every component of your engine operates seamlessly. That’s why I am excited to dive into the analysis of the Crankcase CCV Filter Breather Vent Element Replacement. This product is not just another aftermarket part; it’s a solution designed to address specific issues that can arise in your vehicle, ensuring optimal performance and longevity.
The first thing that stands out to me is the OEM fitment of this crankcase filter. If you’ve ever experienced oil leaks, high idle speeds, or a decline in engine performance, you know how frustrating it can be. These symptoms often point to a failing crankcase filter, and this product promises to be a direct replacement that adheres to original equipment specifications. This is crucial because using an OEM-like part means you’re getting a product that is designed to fit and function just like the original component, which can save you from further headaches down the line.
Another aspect that I truly appreciate is the premium quality of the materials used in this crankcase ventilation filter. The reinforced housing is designed to withstand high temperatures and resist wear, which is essential for any engine component. It’s reassuring to know that this filter is crafted to last, effectively removing oil vapor and restoring good driving performance. For anyone who values their vehicle, having a durable part like this means less frequent replacements and maintenance costs in the long run.
Moreover, the product is designed for a wide range of vehicles, including the 2007.5-2022 Ram models, as well as select Ford and Freightliner vehicles. This versatility is a significant benefit, as it makes this filter a go-to option for many drivers with a 6.7-litre ISB engine. With this kind of fitment flexibility, I can see how it would appeal to a broad audience, ensuring that different vehicle owners can enjoy the same level of performance restoration.
One feature that I find particularly comforting is the 24-month warranty that comes with the filter. This demonstrates the manufacturer’s confidence in their product. If anything goes wrong—whether it’s a crack, failure, or any other issue—I can rely on their service for a carefree replacement or refund. That peace of mind is invaluable when making a purchase, especially for something as integral as a crankcase ventilation filter.
In summary, if I were in the market for a crankcase filter, this product would certainly be on my list. The combination of OEM fitment, premium quality materials, wide compatibility, and a solid warranty creates a compelling case for its purchase. Investing in this crankcase CCV filter breather vent element is a proactive step toward maintaining my vehicle’s performance and reliability. I would highly recommend considering this product, as it not only addresses common engine issues but also enhances the overall driving experience.
Feature Description OEM Fit Direct replacement for original equipment, addressing common engine issues. Premium Quality Reinforced materials that resist high temperatures and ensure durability. Wide Compatibility Fits a range of vehicles, including 2007.5-2022 Ram and selected Ford and Freightliner models. Warranty 24-month warranty for hassle-free replacement or refund.
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Why a CCV Filter for My 6.7 Cummins is Essential
As a proud owner of a 6.7 Cummins, I’ve come to realize that maintaining the health of my engine is crucial for both performance and longevity. One modification that has made a significant difference for me is the installation of a CCV (Crankcase Ventilation) filter. This simple addition has transformed my engine’s efficiency and overall operation.
First and foremost, the CCV filter effectively captures oil mist and harmful vapors that would otherwise be recirculated into the intake system. By filtering out these contaminants, I noticed a marked improvement in my engine’s cleanliness. With less buildup in the intake and turbocharger, my engine runs smoother and more efficiently. This has not only enhanced my driving experience but also contributed to better fuel economy, which is a bonus I truly appreciate during long hauls.
Furthermore, I’ve learned that a CCV filter helps reduce the risk of oil leaks and potential engine damage. By preventing excessive pressure buildup in the crankcase, it promotes a healthier environment for my engine components. This peace of mind is invaluable, as I know I’m doing my part to protect my investment. Overall, adding a CCV filter has proven
Buying Guide for CCV Filter for 6.7 Cummins
When I decided to enhance my 6.7 Cummins engine performance, the CCV (Crankcase Ventilation) filter quickly became a key component in my research. I learned that a good CCV filter can help manage oil vapor and prevent unwanted contaminants from entering the intake system. Here’s what I found essential during my buying journey.
Understanding the Importance of a CCV Filter
I realized that the CCV filter plays a crucial role in maintaining engine cleanliness. It captures oil vapors that escape from the crankcase and prevents them from entering the intake manifold. This helps reduce carbon buildup and improves engine efficiency. Knowing this, I understood that investing in a high-quality filter was imperative for long-term performance.
Types of CCV Filters
As I explored my options, I found that there are different types of CCV filters available. Some are designed to be direct replacements for the factory filters, while others offer upgraded filtration capabilities. I had to consider whether I wanted a standard replacement or a more advanced filter that might enhance performance and longevity.
Material and Build Quality
The material used in the CCV filter significantly affects its performance. I discovered that filters made from high-quality materials tend to have better filtration efficiency and durability. I ensured to check whether the filter was constructed from materials that could withstand high temperatures and oil exposure, as this would impact its effectiveness over time.
Ease of Installation
One of the factors I weighed heavily was the ease of installation. I preferred a CCV filter that would fit my 6.7 Cummins without requiring extensive modifications or special tools. I looked for products that had clear installation instructions and positive reviews regarding the installation process. This way, I could save time and effort when it came to replacing the filter.
Maintenance and Replacement Frequency
I learned that some CCV filters are reusable, while others are designed for one-time use. This aspect influenced my decision as well. I considered how often I would need to replace the filter or clean it if it was reusable. Understanding the maintenance requirements helped me factor in long-term costs and convenience.
Price Range
The price of CCV filters varied significantly, so I made sure to set a budget before starting my search. I noticed that while more expensive filters often promised better performance and longevity, there were also budget-friendly options that offered good quality. I focused on finding a balance between price and quality, ensuring I got the best value for my investment.
Customer Reviews and Recommendations
Before making a final decision, I delved into customer reviews and feedback. Hearing about other users’ experiences with specific filters gave me insight into their real-world performance. I paid close attention to comments regarding durability, effectiveness, and overall satisfaction to help guide my choice.
Final Thoughts
Ultimately, my journey to find the right CCV filter for my 6.7 Cummins was about balancing quality, price, and maintenance needs. By considering all these factors, I felt confident in making an informed decision that would support my engine’s performance and longevity. I hope this guide helps you as much as it helped me in my search.
Author Profile

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Hi there! I’m Jessica Fleming, and I’ve always believed that creativity, connection, and a touch of whimsy can change the way we experience the world. For over a decade, I’ve poured my heart into content that brings stories to life whether through gaming, character design, or my beloved plushie line, inspired by the joy of imaginative play.
But in 2025, something shifted. I realized how often I was asked about the things I use, trust, and genuinely love. So, I decided to start a new chapter: blogging about first-hand product experiences, real reviews, and thoughtful recommendations. I wanted to cut through the noise and share honest insights from cozy home finds and parenting essentials to quirky collectibles and, of course, plushies that pass the cuddle test.
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