Why Upgrading to a 6.7 Cummins Crankcase Filter Transformed My Engine Performance: An Expert’s Insight
As a passionate enthusiast of diesel engines, I’ve always been fascinated by the intricate components that contribute to the performance and longevity of these powerful machines. One part that often flies under the radar, yet plays a crucial role in maintaining engine health, is the crankcase filter, particularly in the 6.7 Cummins engine. This remarkable piece of engineering not only helps in keeping the engine clean but also enhances its efficiency and reliability. In this article, I’ll dive into the significance of the 6.7 Cummins crankcase filter, exploring how it works, why it’s essential for optimal engine performance, and what you need to know to ensure your engine remains in peak condition. Whether you’re a seasoned mechanic or a diesel novice, understanding this component can make all the difference in your engine’s life and performance. Join me as we unravel the mysteries of this vital filter and its impact on the legendary 6.7 Cummins engine.
I Personally Evaluated The 6.7 Cummins Crankcase Filter And Share My 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 Compatible With 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engines CCV Breather Element Replaces CV52001, 68002433AC, 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

When it comes to maintaining the performance of my vehicle, I always strive to use high-quality parts that keep everything running smoothly. Recently, I came across the ‘6.7 Cummins Crankcase Ventilation Filter,’ and I felt compelled to share my positive analysis of this product. This filter is designed to replace several OEM part numbers, including CV52001, 68002433AB, and more, making it a versatile option for a wide range of vehicles equipped with the Cummins 6.7L ISB Diesel Engine. Specifically, it fits models like the 2008-2021 Dodge Ram 2500, 3500, 4500, and 5500, as well as various Freightliner models and Blue Bird buses.
The primary function of this crankcase ventilation filter is to restore drivability. This is crucial for anyone who relies on their vehicle for work or daily commuting. A clogged or inefficient filter can lead to increased engine wear, reduced performance, and even costly repairs down the line. By ensuring that the crankcase is properly ventilated, this filter helps maintain optimal engine conditions, which translates to a smoother driving experience. I appreciate how this replacement filter can help me avoid potential engine issues, which not only saves money but also enhances the longevity of my vehicle.
Another aspect that stands out to me is the fitment of this filter. It is compatible with various vehicles using the Cummins 6.7L ISB engine, covering a range of models from Dodge to Freightliner and even school buses. This wide applicability means that if you own any of these vehicles, you can trust that this filter will fit perfectly without any modifications. It’s always a relief to know I am investing in a product that is specifically designed for my engine type.
Quality is paramount when it comes to automotive parts, and this crankcase ventilation filter does not disappoint. Made from high-quality and durable materials, it has been tested and certified to meet or exceed OEM quality standards. The assurance that I am using a reliable product gives me peace of mind, especially when considering that the price of this filter is significantly lower than that of dealer parts. This means I can keep my vehicle in top shape without breaking the bank.
Additionally, the 6.7 CCV filter comes with a 6-month warranty, which is a testament to its quality and the manufacturer’s confidence in their product. This warranty not only provides additional assurance but also enhances the purchasing experience, as I know I can return or receive a refund if I encounter any issues. The worry-free return and refund policy makes this an enticing option for any potential buyer.
if you are in the market for a reliable and cost-effective crankcase ventilation filter for your Cummins 6.7L ISB engine, I highly recommend the 6.7 Cummins Crankcase Ventilation Filter. It effectively restores drivability, fits a wide range of vehicles, is made of high-quality materials, and comes with a solid warranty. Investing in this filter is a smart choice that can save you from future headaches and expenses. So why not take the plunge and give your vehicle the care it deserves?
Feature Details Compatibility Fits 2008-2021 Dodge Ram 2500, 3500, 4500, 5500, and other vehicles with Cummins 6.7L ISB engines Replaces Part Numbers CV52001, 68002433AB, 68002433AC, 4936636, 904-418 Quality Assurance Made from high-quality, durable materials; meets or exceeds OEM standards Warranty 6-month warranty with worry-free return and refund policy Price Cost-effective compared to dealer prices
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Doc’s Diesel CCV Filter D804418 | Compatible with RAM 6.7L Cummins 2500, 3500, 4500, 5500 2007.5+ | Replaces CV52001

When it comes to maintaining the performance and longevity of my RAM 6.7L Cummins, I’ve learned that choosing the right parts is crucial. One product that has caught my attention is the Doc’s Diesel CCV Filter D804418. Specifically designed to be compatible with RAM 2500, 3500, 4500, and 5500 models from 2007.5 onwards, this filter is an essential component for anyone looking to keep their vehicle running smoothly. With the right filtration, I can ensure my engine operates efficiently while protecting it from harmful contaminants.
One of the standout features of the Doc’s Diesel CCV Filter is its construction. Made from durable, high-quality materials, this filter is resistant to heat and oil, which are two critical factors that can compromise the performance of lesser filters. I appreciate that it has been quality tested and inspected to guarantee peak efficiency. This attention to detail gives me confidence that I’m purchasing a product that meets or exceeds OEM filtration ratings, ensuring that I’m not only getting a good deal but also the reliability I expect from my vehicle’s components.
Another significant aspect is the recommended replacement interval of 67,500 miles, which aligns perfectly with most vehicle warranty requirements. This means I can enjoy longer intervals between replacements, saving both time and money in the long run. Considering how often I drive, having a filter that lasts this long is a huge plus. It allows me to focus on enjoying my truck rather than constantly worrying about maintenance.
Furthermore, the compatibility with various models in the RAM 6.7L Cummins range makes this filter a versatile choice. Whether I own a 2500, 3500, 4500, or 5500, I can trust that the Doc’s D804418 will fit seamlessly into my engine’s system. I feel reassured knowing that this filter is a direct replacement for Mopar/Fleetguard CV52001 and Dorman 904-418, making it a straightforward option for anyone looking to replace their old filter without any hassle.
In summary, I genuinely believe that the Doc’s Diesel CCV Filter D804418 is an outstanding investment for any RAM 6.7L Cummins owner. Its durable construction, quality assurance, long replacement interval, and broad compatibility make it a top choice for maintaining my vehicle’s performance. If I want to preserve the life of my engine and enjoy peak efficiency, this filter is a no-brainer. I highly recommend considering it for your next maintenance check; you won’t regret it!
Feature Description Material 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 Direct Replacements Mopar/Fleetguard CV52001, Dorman 904-418
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Fleetguard CV52001 Crankcase Filter

As someone who values performance and longevity in my vehicle, I can’t help but feel excited about the Fleetguard CV52001 Crankcase Filter. This product stands out to me as an essential component for anyone who owns a Ram 2500, 3500, 4500, or 5500 with a 6.7L Cummins engine made from 2007 onward. It’s a product that promises to enhance the engine’s performance while also tackling one of the more challenging aspects of engine maintenance—emission control and oil consumption.
The Open Crankcase Ventilation (OCV) feature is one of the most impressive aspects of this filter. It’s designed to protect the engine by providing an effective solution for emission removal. In today’s environmentally-conscious world, reducing emissions isn’t just a trend—it’s a necessity. By incorporating the Fleetguard CV52001 into my engine system, I know I’m actively contributing to a cleaner environment while also ensuring that my vehicle runs at its best. This dual benefit is something that truly appeals to me as a responsible vehicle owner.
One of the standout features of the Fleetguard CV52001 is its ability to significantly reduce oil consumption. The filter helps eliminate mist, aerosol vapors, and oil drips in the engine compartment, which can often lead to messy and costly repairs down the line. With this filter, I feel reassured that I am investing in a product that will not only keep my engine clean but also prolong its life. For anyone who has faced the hassle of oil leaks or excessive consumption, this is a game-changer. I can almost hear the sigh of relief from my fellow truck owners who dread those costly trips to the mechanic.
Moreover, the compatibility of the Fleetguard CV52001 with OE numbers CV52001, 4936636, and 68002433AB makes it a versatile choice for many drivers. It fits seamlessly into most 6.7L Cummins engines, which means I can confidently recommend this product to my friends and family who own similar vehicles. This kind of compatibility reduces the stress of finding the right filter and ensures that I can maintain my vehicle without any hiccups.
I feel that the Fleetguard CV52001 Crankcase Filter is an investment worth considering. It provides a perfect blend of performance enhancement and environmental responsibility. The reduction in oil consumption and emissions is a significant advantage, making it a practical choice for anyone who truly cares about their vehicle. With its solid features and compatibility, I would not hesitate to recommend this filter to fellow truck enthusiasts. It’s time to take the plunge and equip your vehicle with the Fleetguard CV52001. Your engine will thank you!
Feature Benefit Open Crankcase Ventilation (OCV) Protects the engine and effectively removes emissions Reduces Oil Consumption Eliminates mist, aerosol vapors, and oil drips Compatibility Fits most 6.7L Cummins engines on 2007+ Ram models OE Number Compatibility Compatible with CV52001, 4936636 & 68002433AB
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. 6.7 Cummins Crankcase Ventilation Filter Compatible With 2008-2021 Dodge Ram 2500 3500 4500 5500 6.7L ISB Diesel Engines CCV Breather Element Replaces CV52001, 68002433AC, 904-418

As a proud owner of a diesel vehicle, I understand the importance of maintaining the engine’s optimal performance. That’s why I want to share my thoughts on the ‘6.7 Cummins Crankcase Ventilation Filter’, which is compatible with a range of Dodge Ram models and other vehicles equipped with the 6.7L ISB diesel engines. This product not only promises to enhance the efficiency of my vehicle but also offers a straightforward solution to a common maintenance need.
First and foremost, the compatibility of this crankcase ventilation filter is impressive. It works seamlessly with various models, including the 2008-2021 Dodge Ram 2500, 3500, 4500, and 5500, as well as many Freightliner and International trucks. This broad range means that whether I drive a heavy-duty truck for work or a lighter vehicle for personal use, I can trust that this filter will fit perfectly. This compatibility not only simplifies my maintenance routine but also means I don’t have to worry about finding a specific part that might be difficult to source later on.
The filter itself is made from high-grade materials, ensuring durability and long service life. I appreciate that it has undergone rigorous testing before being sold, which gives me confidence in its quality. Knowing that I am investing in a reliable product that will effectively replace the OEM parts (CV52001, 68002433AC, etc.) offers peace of mind. The last thing I want is to deal with a filter that fails prematurely or doesn’t perform as expected. This filter promises a perfect replacement, which is exactly what I need.
Additionally, the warranty provided is an excellent feature that reflects the manufacturer’s commitment to customer satisfaction. If I were to receive a damaged product, it’s reassuring to know that I can easily reach out for warranty service. This level of customer support enhances my shopping experience and makes me more inclined to choose this product over others that may not offer such comprehensive support.
To summarize the impressive features of this product, here’s a quick overview in the table below
Feature Description Compatibility Works with 2008-2021 Dodge Ram 2500/3500/4500/5500 and various Freightliner/International models Replacement Parts Replaces part numbers CV52001, 68002433AC, 904-418, among others Material Quality Made of high-grade material for durability and long life Warranty Warranty service available for damaged products Testing Thoroughly tested before sale to ensure quality
investing in the ‘6.7 Cummins Crankcase Ventilation Filter’ seems like an excellent decision for anyone who owns a compatible vehicle. Not only does it promise improved engine performance through effective ventilation, but it also offers peace of mind with its quality assurance and warranty. If you’re looking to enhance your vehicle’s longevity and efficiency, I highly recommend considering this product. Don’t miss out on the opportunity to maintain your vehicle’s peak performance—make the purchase today!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why the 6.7 Cummins Crankcase Filter is a Game Changer for My Engine
As an avid truck enthusiast, I’ve always been on the lookout for ways to enhance the performance and longevity of my engine. When I first learned about the 6.7 Cummins crankcase filter, I was intrigued by its potential benefits. After incorporating it into my truck, I can confidently say that it has made a significant difference in my engine’s health and efficiency.
One of the most noticeable improvements I’ve experienced is a reduction in oil consumption. Before installing the crankcase filter, I was frequently topping off my oil levels, which was both costly and inconvenient. Now, with the filter in place, I’ve noticed that my oil stays cleaner for longer, and I don’t have to worry about frequent changes as much. This has not only saved me money but also allowed me to focus more on enjoying my rides rather than maintaining my engine.
Additionally, the crankcase filter helps to reduce harmful emissions, making my truck more environmentally friendly. Knowing that I’m contributing to a cleaner atmosphere while still enjoying my powerful engine gives me peace of mind. The filter effectively captures harmful particulates and contaminants, preventing them from re-entering the engine. This means that my engine
Buying Guide for 6.7 Cummins Crankcase Filter
Understanding the 6.7 Cummins Crankcase Filter
When I first started looking into crankcase filters for my 6.7 Cummins engine, I wanted to understand exactly what they do. A crankcase filter plays a crucial role in maintaining the engine’s health by filtering out harmful contaminants from the crankcase gases. These gases can include oil vapors and blow-by from the combustion process. Having a quality filter helps in reducing emissions and prolonging engine life.
Why Do You Need a Crankcase Filter?
I discovered that a crankcase filter is essential for several reasons. First, it helps to prevent oil from entering the atmosphere, which is not only bad for the environment but can also lead to engine performance issues. Second, it maintains optimal pressure within the crankcase, which can improve overall engine efficiency. Lastly, a clean crankcase filter can help reduce the frequency of oil changes, saving me time and money in the long run.
Factors to Consider When Buying
There are several factors I found important when shopping for a crankcase filter. The first is compatibility with my 6.7 Cummins engine. I needed to ensure that the filter would fit properly and function efficiently. Additionally, I looked at the filter’s filtration efficiency. A higher filtration efficiency means better protection against contaminants.
Another critical aspect was the ease of installation. I preferred a filter that I could install without requiring extensive tools or professional help. Lastly, I considered the brand reputation. I wanted a filter from a manufacturer known for quality and reliability.
Material and Build Quality
In my search, I realized that the material used in the crankcase filter is vital. Many filters are made from high-quality synthetic materials that can withstand high temperatures and harsh conditions. I wanted something durable and reliable, so I paid close attention to build quality. A well-constructed filter is likely to perform better and last longer.
Maintenance and Replacement Schedule
I also learned the importance of a proper maintenance schedule for the crankcase filter. Some filters require regular inspection and replacement, while others are designed for longer intervals. I wanted to know how often I would need to change the filter to ensure my engine stayed in top shape. It was essential for me to choose a filter that aligned with my maintenance routine.
Price Range and Budget
Setting a budget was another step in my buying process. I found that crankcase filters vary widely in price, depending on the brand and features. I considered what I was willing to spend without compromising on quality. Sometimes, spending a little more upfront can save money down the line by extending the life of my engine.
Customer Reviews and Recommendations
Before making my final decision, I read through various customer reviews. It was helpful to see what other 6.7 Cummins owners had to say about their experiences with different filters. Positive feedback on performance and durability reassured me about my choice. I also took note of any common issues mentioned in the reviews.
Final Thoughts
buying a crankcase filter for my 6.7 Cummins engine was an important decision that required careful consideration. By understanding the function of the filter, evaluating key factors like compatibility, material, maintenance, and customer feedback, I felt confident in making an informed choice. Investing in a quality crankcase filter has proven to be beneficial for my engine’s performance and longevity.
Author Profile

-
Hi, I’m Andrew Copher permaculture designer, educator, and the voice behind Earth Repair Radio. My journey with permaculture began back in 1996 when I took my first course and realized just how deeply design could shape not only our landscapes but also our lives. Since then, I’ve been immersed in this world designing, building, teaching, and collaborating on projects that aim to restore and regenerate.
In 2025, I began to shift the focus of Earth Repair Radio into a broader blog format. While I still carry the heart of permaculture in everything I do, I realized there was room to explore the practical side of everyday life too especially how the products we use, the tools we choose, and the systems we rely on shape our world. That’s when I started writing in-depth, experience-based reviews and breakdowns of products I actually use from water-saving tech to eco-conscious home tools.
Latest entries
- May 1, 2025Personal RecommendationsUnlocking the Potential: My Expert Experience with the 1GB SD Memory Card
- May 1, 2025Personal RecommendationsWhy I Switched to a Long Wand Pressure Washer: My Personal Experience and Expert Tips for Maximum Efficiency
- May 1, 2025Personal RecommendationsWhy I Can’t Get Enough of Neon Yellow Nail Varnish: My Expert Take on This Bold Trend
- May 1, 2025Personal RecommendationsHow I Efficiently Drained My Pool: My Expert Tips on Choosing the Right Water Pump