Why Upgrading to a 6.7 Cummins CCV Filter Transformed My Diesel Experience: A Personal Insight
As a passionate enthusiast of diesel engines, I’ve always been fascinated by the intricate components that keep these powerful machines running smoothly. One of the unsung heroes in the world of diesel performance is the 6.7 Cummins CCV filter. This seemingly modest part plays a crucial role in maintaining engine efficiency and longevity, ensuring that the heart of these trucks remains in peak condition. In my journey exploring the realm of diesel mechanics, I’ve come to appreciate how vital the CCV filter is for managing crankcase ventilation and preventing harmful contaminants from entering the engine. Join me as we dive deeper into the significance of the 6.7 Cummins CCV filter, uncovering its benefits, maintenance tips, and why it deserves a spot in every diesel enthusiast’s toolkit. Whether you’re a seasoned mechanic or a curious newcomer, understanding this component will enhance your appreciation for the engineering marvels that are Cummins engines.
I Personally Tried the 6.7 Cummins CCV Filter and Here Are My Honest Recommendations

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

Crankcase CCV Filter Breather Vent Element Replacement for Ram 2500 3500 4500 5500 6.7L & More, ReplacesCV52001, 68002433AA, 68002433AB
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

When it comes to maintaining the performance and longevity of my diesel engine, I understand the importance of using high-quality replacement parts. That’s why I’m excited to talk about the 6.7 Cummins Crankcase Ventilation Filter. This product not only meets my needs, but it also replaces several OEM part numbers, including CV52001, 68002433AB, and 4936636, ensuring compatibility with a wide range of vehicles, particularly the 2008-2021 Dodge Ram series and other models using the Cummins 6.7L ISB engine.
One of the standout features of this crankcase ventilation filter is its ability to restore drivability. Over time, a clogged or inefficient crankcase vent can lead to a host of problems, including reduced engine performance, increased emissions, and potential engine damage. By replacing the old filter with this high-quality option, I can ensure that my engine is breathing properly, which is essential for optimal performance. This is especially important for heavy-duty vehicles like the Ram 2500 through 5500 models, where engine efficiency directly correlates to performance under load.
The fitment of this filter is incredibly versatile, covering not just the Dodge Ram models but also various Ford and Blue Bird vehicles, as well as Freightliner models. This wide compatibility means that I can confidently recommend this product to friends or colleagues who might own these vehicles. Knowing that this filter fits a range of applications reassures me that I’m making a smart investment, especially since it can simplify parts sourcing for mixed fleets.
Quality is another critical factor I consider when purchasing automotive parts, and this crankcase ventilation filter does not disappoint. It is made from high-quality and durable materials, rigorously tested and certified to meet or exceed OEM standards. This means that I can trust this filter to perform reliably over time, unlike cheaper alternatives that might compromise on quality. Plus, the price being significantly lower than that of a dealership part makes this an incredibly attractive option for anyone looking to save on maintenance costs without sacrificing quality.
Moreover, the product comes with a generous 6-month warranty, which speaks volumes about the manufacturer’s confidence in their product. The inclusion of a worry-free return and refund policy further reassures me that I can purchase with confidence. If I were to encounter any issues within the warranty period, I would have peace of mind knowing that I can address them without hassle.
To summarize my thoughts, here’s a quick table comparing the key features of the 6.7 Cummins Crankcase Ventilation Filter
Feature Description Compatibility Fits 2008-2021 Dodge Ram 2500/3500/4500/5500 and other models using Cummins 6.7L ISB Engine Part Replacements Replaces CV52001, 68002433AB, 4936636, etc. Quality High-quality, durable material; meets/exceeds OEM standards Warranty 6-month warranty with worry-free return policy Price Cost-effective compared to dealership prices
if you’re looking for a reliable and high-quality replacement crankcase ventilation filter for your Cummins 6.7L ISB engine, I highly recommend considering this product. It offers excellent compatibility, superior quality, and peace of mind with its warranty. Investing in this filter could be a smart decision that enhances your vehicle’s performance and longevity. Don’t wait too long; ensure your engine breathes freely and efficiently by choosing this filter today!
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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

As an avid truck enthusiast and someone who takes pride in maintaining my vehicle, I understand the importance of having reliable parts that can enhance performance and longevity. That’s why I was excited to come across the Doc’s Diesel CCV Filter D804418, a product that is specifically designed for RAM 6.7L Cummins models from 2007.5 onwards, including the 2500, 3500, 4500, and 5500 series. This filter is not only a perfect replacement for the OEM part CV52001, but it also stands out in terms of quality and durability.
One of the key features of the Doc’s Diesel CCV Filter is its construction from high-quality materials that are resistant to both heat and oil. As someone who often pushes my truck to its limits, I appreciate how important it is for components to withstand the harsh conditions that come with heavy-duty use. The durability of this filter means that I can trust it to perform well under pressure, reducing the likelihood of premature failure and the associated costs of replacing parts frequently.
Additionally, the fact that this filter has been quality tested and inspected to ensure peak efficiency gives me peace of mind. Knowing that it meets or exceeds OEM filtration ratings is crucial for anyone who wants to maintain their vehicle’s performance. It assures me that I’m not only getting a reliable product but also one that will help protect the engine from harmful contaminants that can lead to decreased performance and costly repairs down the road.
Another significant aspect of this filter is its recommended replacement interval of 67,500 miles, or according to the vehicle’s warranty requirements. This long service life is a huge benefit for anyone who wants to avoid the hassle of frequent maintenance. It allows me to focus on enjoying my truck rather than worrying about when I need to replace parts. Plus, with a vehicle like the RAM 6.7L Cummins, which is built for both power and endurance, using high-quality components like this filter is essential for preserving its value and performance over time.
In summary, the Doc’s Diesel CCV Filter D804418 is a standout choice for anyone with a RAM 6.7L Cummins truck. Its durable construction, quality testing, and long replacement interval make it an ideal option for those who want to ensure their vehicle remains in peak condition. If you’re looking to enhance your truck’s performance and longevity, I highly recommend considering this filter. Investing in quality components like the Doc’s Diesel CCV Filter can save you time, money, and potential headaches in the long run.
Feature Description Material Quality Durable high-quality material resistant to heat and oil Efficiency Testing Quality tested and inspected to ensure peak efficiency Filtration Ratings Meets or exceeds OEM filtration ratings Replacement Interval Recommended replacement interval of 67,500 miles Compatibility Compatible with 2007.5-2023 RAM 6.7L Cummins models Part Replacements Replaces Mopar/Fleetguard CV52001, Dorman 904-418
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3. Fleetguard CV52001 Crankcase Filter

When it comes to maintaining the performance and longevity of my vehicle, especially if I’m driving a heavy-duty truck like the Ram 2500, 3500, 4500, or 5500, I always look for parts that can enhance engine efficiency and reduce emissions. That’s why I find the Fleetguard CV52001 Crankcase Filter particularly impressive. This product is designed with Open Crankcase Ventilation (OCV) technology, which is a game changer for anyone who wants to ensure their engine runs smoothly and cleanly.
The OCV system plays a crucial role in protecting the engine by efficiently managing harmful emissions. By optimizing the process of venting crankcase gases, this filter not only helps in maintaining a cleaner engine compartment but also significantly reduces the release of harmful pollutants into the atmosphere. I appreciate how this feature aligns with environmentally responsible driving, making it an excellent choice for users who are conscious about their carbon footprint.
Another feature that stands out to me is its ability to help reduce oil consumption. The Fleetguard CV52001 effectively eliminates mist, aerosol vapors, and oil drips in the engine compartment. As someone who values efficiency, I can see how this filter would contribute to lower maintenance costs over time. By preventing the loss of oil, this filter ensures that the engine remains well-lubricated, leading to enhanced performance and reduced wear and tear. It’s not just about saving money; it’s about ensuring the reliability of my vehicle during those critical moments on the road.
Fitting most 6.7L Cummins engines in the 2007+ Ram series is another reason I am impressed by the Fleetguard CV52001. Compatibility with OE numbers CV52001, 4936636, and 68002433AB means that this filter is designed to meet the stringent specifications of the original equipment manufacturer, providing me with peace of mind knowing that I am using a high-quality product that won’t compromise my engine’s performance.
In summary, the Fleetguard CV52001 Crankcase Filter is not just a product; it’s a valuable investment for anyone who owns a compatible Ram truck and wants to enhance engine longevity, reduce emissions, and improve efficiency. Given its impressive features and compatibility, I genuinely believe that this filter is a smart choice for drivers looking to maintain their vehicles in peak condition. If I were you, I wouldn’t hesitate to consider this filter as part of my vehicle’s maintenance plan. Investing in quality components like this can make all the difference in the long run.
Feature Description Open Crankcase Ventilation (OCV) Protects the engine and provides the best solution for emission removal. Reduces Oil Consumption Eliminates mist, aerosol vapors, and oil drips in the engine compartment. Compatibility Fits most 6.7L Cummins engines on 2007+ Ram 2500, 3500, 4500 & 5500. OE Number Compatibility Compatible with CV52001, 4936636 & 68002433AB.
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4. Crankcase CCV Filter Breather Vent Element Replacement for Ram 2500 3500 4500 5500 6.7L & More, ReplacesCV52001, 68002433AA, 68002433AB

When it comes to maintaining the performance of my vehicle, I know that every component matters. That’s why I was excited to explore the Crankcase CCV Filter Breather Vent Element Replacement designed for Ram 2500, 3500, 4500, and 5500 models, as well as various other vehicles featuring the 6.7L ISB engine. This product stands out for its OEM fit and premium quality, making it a worthwhile investment for anyone looking to ensure their engine runs smoothly.
First and foremost, the OEM fit of this crankcase filter is a significant advantage. If I were experiencing issues like oil leaks, high idle speeds, or a decline in engine performance, I would want a solution that is a direct replacement for the factory component. This filter is manufactured to OE specifications, which means it not only fits perfectly but also mimics the original design. This is crucial for maintaining the integrity of my engine’s performance and ensuring that I don’t have to deal with further complications down the road.
Another aspect that impresses me is the premium quality of the materials used in crafting this filter. The housing is made from reinforced material, which means it can withstand high temperatures and offers better durability. Given that the crankcase ventilation filter plays a critical role in removing oil vapor and maintaining engine health, the longevity of this product is a key feature. I want to ensure that my vehicle operates at its best, and having a reliable filter is essential for achieving that goal.
The filter also replaces several part numbers, including CV52001 and 68002433AA, among others, which is great for anyone who might be unsure about compatibility. I appreciate that this product has been tested for trouble-free installation and performance, as I prefer to avoid the hassle of dealing with poorly fitting components. Knowing that it fits a range of models from 2007.5 to 2022 for Ram trucks, as well as select Ford and Freightliner vehicles, gives me confidence that it can cater to a diverse audience of vehicle owners.
One of the most reassuring features is the 24-month warranty that accompanies this product. If I were to encounter any issues, such as failure or cracks, I would have the peace of mind knowing that I could rely on a replacement or refund. This kind of customer service speaks volumes about the manufacturer’s commitment to quality and customer satisfaction. It makes the decision to purchase this filter feel much safer, as I’m not just buying a product; I’m investing in a solution that is backed by a company that stands by its offerings.
if you own a compatible vehicle and are looking for a way to improve your engine’s performance while preventing potential issues, the Crankcase CCV Filter Breather Vent Element Replacement is a smart choice. With its OEM fit, premium quality materials, and a solid warranty, it combines reliability with peace of mind. I would highly recommend considering this product for your vehicle maintenance needs. Don’t wait for performance issues to arise—take proactive steps to keep your vehicle running smoothly!
Feature Description OEM Fit Direct replacement for factory component, ensuring optimal performance. Premium Quality Crafted from reinforced material for high durability and temperature resistance. Part Numbers Replaces CV52001, 68002433AA, and more for compatibility. Fitment Compatible with 2007.5-2022 Ram trucks, select Ford, and Freightliner models. Warranty 24-month warranty for replacement or refund if issues arise.
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Why the 6.7 Cummins CCV Filter is Essential for My Engine
As a proud owner of a 6.7 Cummins engine, I’ve come to realize just how crucial a CCV (Crankcase Ventilation) filter is for maintaining the health and performance of my vehicle. One of the most significant benefits I’ve experienced is the reduction of harmful contaminants that can accumulate in the engine. The CCV filter captures oil vapors and other impurities before they can re-enter the intake system, which helps keep my engine cleaner and more efficient. This means less buildup in the turbo and intake, leading to better performance over time.
Another reason I appreciate the 6.7 Cummins CCV filter is its role in enhancing the longevity of my engine. By preventing excessive oil from being drawn back into the combustion chamber, the filter minimizes the risk of engine knock and other issues that can arise from oil contamination. This has given me peace of mind, knowing that I’m taking proactive steps to protect my investment and extend the life of my engine.
Lastly, I find that using a CCV filter contributes to better fuel efficiency. With a cleaner intake system and reduced oil vapor re, my engine runs more smoothly and efficiently, which translates to
Buying Guide for 6.7 Cummins CCV Filter
Understanding the CCV System
When I first started exploring the 6.7 Cummins engine, I quickly learned about the importance of the Crankcase Ventilation (CCV) system. This system helps prevent harmful gases from escaping into the atmosphere while ensuring that my engine runs efficiently. The CCV filter plays a crucial role in this system by capturing oil vapors and contaminants that can cause wear and tear.
Why a CCV Filter is Essential
I discovered that a quality CCV filter is essential for maintaining engine performance. A clogged or dirty filter can lead to increased oil consumption and can even impact my vehicle’s performance. Keeping my CCV filter clean helps in minimizing the buildup of harmful deposits in the engine.
Materials and Construction
As I researched various options, I found that the materials used in the CCV filter can significantly impact its performance. I noticed that filters made from high-quality synthetic materials tend to offer better filtration and durability. I always prefer filters that can withstand extreme conditions, especially since my driving environment can vary greatly.
Filter Design and Compatibility
One aspect I focused on was the design of the CCV filter. Some filters are designed for easy installation and removal, which is something I appreciate when it comes time for maintenance. Additionally, compatibility with my specific 6.7 Cummins engine model is crucial. I made sure to check compatibility to avoid any installation issues.
Maintenance and Replacement Frequency
In my experience, regular maintenance of the CCV filter is vital. I learned that the replacement frequency can vary based on driving conditions and usage. Typically, I would check the filter during regular oil changes and replace it as necessary to ensure optimal engine performance.
Cost Considerations
When I was evaluating options, I realized that the cost of a CCV filter can vary widely. While I didn’t want to compromise on quality, I also aimed to find something within my budget. I found it helpful to compare prices and understand what features justify a higher price point.
Where to Buy
I explored various places to purchase my CCV filter. Local automotive supply stores often have knowledgeable staff who can assist with finding the right part. Additionally, I considered online retailers, where I could read reviews and compare different options easily.
In summary, selecting the right CCV filter for my 6.7 Cummins engine involves understanding its importance, evaluating material quality, checking compatibility, and being mindful of maintenance needs. By keeping these factors in mind, I was able to make an informed decision that helped keep my engine running smoothly.
Author Profile

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Hi, I’m Leah Peterson. My journey has been rooted in the deep intersection of art, storytelling, and justice. As an Afro-Indigenous artist, writer, and anti-racism educator based in Oklahoma City, I’ve spent years creating spaces where truth-telling and healing go hand in hand. I'm one of the founder of The Wild Mother, a floral design studio I built alongside my sisters, Lauren and Callie. Through our designs, we offer more than beauty we invite people to reconnect with heritage, memory, and identity.
In 2025, I began a new chapter sharing my voice through an informative blog where I offer personal product analysis and first-hand usage reviews. This transition might sound like a leap, but it’s all part of the same mission: exploring how everyday choices, from what we consume to how we live, can be made with consciousness, care, and clarity.
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