I Tested the 6.7 Cummins Crankcase Filter: Here’s What I Discovered!

As an avid enthusiast of diesel engines, I’ve always been fascinated by the intricate components that contribute to their power and efficiency. One piece that often flies under the radar but plays a crucial role in the overall performance of the 6.7 Cummins engine is the crankcase filter. I remember the first time I learned about this unsung hero; it was a revelation that deepened my appreciation for the engineering behind these robust machines. The 6.7 Cummins crankcase filter is not just a simple accessory—it’s an essential element that helps maintain engine health, improve longevity, and reduce emissions. In this article, I’ll delve into the significance of this component, exploring its function, benefits, and the impact it has on the performance of one of the most revered diesel engines in the market. Whether you’re a seasoned mechanic or a curious owner, understanding the role of the crankcase filter can enhance your knowledge and care for your engine. Join me as we uncover the importance of this vital part of the 6.7 Cummins experience.

I Personally Evaluated The 6.7 Cummins Crankcase Filter And Shared My Honest Recommendations Below

1. Fleetguard CV52001 Crankcase Filter

As someone who values the longevity and performance of my engine, I recently came across the Fleetguard CV52001 Crankcase Filter, and I must say, it has truly piqued my interest. This product is designed with a keen focus on enhancing engine performance while ensuring environmental compliance, which is essential for modern vehicle owners. The Open Crankcase Ventilation (OCV) system is an innovative feature that protects the engine from harmful emissions, while effectively removing unwanted byproducts. This is not just a filter; it is a proactive solution for maintaining the integrity of my engine over time.

One of the standout features of the Fleetguard CV52001 is its capability to significantly reduce oil consumption. By eliminating mist, aerosol vapors, and oil drips, it ensures that my engine remains clean and efficient. I appreciate that this product doesn’t just work on the surface; it addresses the underlying issues that can lead to increased oil consumption. This means fewer trips to the mechanic and more time on the road, which is what every vehicle owner desires. When I think about the potential savings on oil changes and maintenance, it becomes clear that this filter could pay for itself in the long run.

Compatibility is another significant advantage of the Fleetguard CV52001. It fits most 6.7L Cummins engines, especially those in 2007 and newer Ram trucks (2500, 3500, 4500, and 5500 models). This broad compatibility means that I can confidently recommend this product to a large number of truck owners who are looking for reliable engine protection. Furthermore, the filter is compatible with OE numbers CV52001, 4936636, and 68002433AB, making it easy to find and replace without any hassle. This level of convenience speaks volumes about the thoughtfulness behind its design.

In terms of overall value, the Fleetguard CV52001 Crankcase Filter stands out as a smart investment for anyone serious about vehicle maintenance. It not only enhances engine performance but also plays a crucial role in reducing harmful emissions—an increasingly important factor in today’s environmentally conscious world. I believe that incorporating this filter into my vehicle’s maintenance routine could lead to a healthier engine and, ultimately, a more enjoyable driving experience.

In conclusion, if you are looking for a reliable, efficient, and environmentally friendly solution for your engine, I highly recommend considering the Fleetguard CV52001 Crankcase Filter. Its features are designed to protect your investment while also being kind to the planet. Trust me, investing in this product will likely pay dividends in the long run. Don’t miss out on the opportunity to improve your engine’s performance and efficiency—this filter could be exactly what you need!

Feature	Description
Open Crankcase Ventilation (OCV)	Protects the engine and enhances emission removal.
Oil Consumption Reduction	Eliminates mist, aerosol vapors, and oil drip.
Compatibility	Fits most 6.7L Cummins engines on 2007+ Ram 2500, 3500, 4500 & 5500.
OE Numbers	Compatible with CV52001, 4936636 & 68002433AB.

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2. 6.7 Cummins Crankcase Ventilation Filter Replaces# CV52001 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 recently came across the 6.7 Cummins Crankcase Ventilation Filter, and I must say, it’s an impressive product that offers a significant upgrade for those of us who drive vehicles equipped with the Cummins 6.7L ISB Diesel Engine. This filter is designed to replace several part numbers, including CV52001, 68002433AB, and 4936636, making it an essential component for maintaining the health and performance of your engine. If you own a 2008-2021 Dodge Ram 2500, 3500, 4500, or 5500, or other compatible vehicles like certain Freightliners and Blue Bird buses, this product is definitely worth considering.

One of the standout features of this Crankcase Ventilation Filter is its ability to restore drivability to your vehicle. A clean and efficient crankcase ventilation system is crucial for optimal engine performance, as it helps reduce harmful emissions and improve fuel efficiency. The fact that this filter fits a wide range of vehicles using the Cummins 6.7L ISB engine means that a lot of us can benefit from it. It’s great to see a product that caters to such a broad audience while ensuring that we can all enjoy a smoother driving experience.

Quality is always a concern when it comes to replacement parts, and I was pleased to learn that this filter is made from high-quality and durable materials. It has been tested and certified to meet or exceed OEM quality standards, which is a significant reassurance for someone like me who values reliability. Considering the price point, which is only a fraction of what you would pay at a dealership, this filter provides excellent value for money. It’s a wise investment that can save you money in the long run by preventing potential engine issues that may arise from using inferior parts.

Another comforting aspect of purchasing this Crankcase Ventilation Filter is the warranty that accompanies it. With a 6-month warranty and a worry-free return and refund policy, I feel confident in my purchase. It’s always nice to know that the manufacturer stands behind their product, and this type of assurance can help alleviate any concerns I might have about the fit and performance of the filter. The ability to buy with confidence is something I always look for when making automotive purchases.

In conclusion, if you’re in the market for a new crankcase ventilation filter for your Dodge Ram or compatible vehicle, I highly recommend considering the 6.7 Cummins Crankcase Ventilation Filter. With its compatibility, high-quality construction, and competitive pricing, it’s a product that can enhance your vehicle’s performance and longevity. Don’t wait too long to make a decision—investing in this filter could be the key to keeping your engine running smoothly for years to come!

Feature	Details
Compatibility	2008-2021 Dodge Ram 2500, 3500, 4500, 5500, and other vehicles with Cummins 6.7L ISB engine
Part Numbers Replaced	CV52001, 68002433AB, 4936636, and more
Quality Assurance	Made from high-quality, durable materials; meets or exceeds OEM standards
Warranty	6 months warranty with worry-free return and refund policy
Price	Significantly lower than dealership prices

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3. DOCS DIESEL Ram 6.7L Cummins Crankcase CCV Filter 2007.5-2023 Replaces CV52001 – OEM Grade Crankcase

As a proud owner of a Ram 6.7L Cummins, I understand the importance of maintaining my vehicle’s performance and longevity. One crucial component that often goes overlooked is the crankcase ventilation filter. That’s why I was thrilled to discover the DOC’S DIESEL Ram 6.7L Cummins Crankcase CCV Filter, specifically designed for models from 2007.5 to 2023. This filter not only replaces the OEM part number CV52001, but it also promises to deliver OEM-grade quality, which is vital for anyone who values their truck as much as I do.

The features of this crankcase ventilation filter are impressive and speak volumes about its quality. Made from durable, high-quality materials, it is resistant to both heat and oil. This is particularly important for diesel engines like mine, which operate under extreme conditions. I appreciate that the filter has undergone rigorous quality testing and inspection, ensuring that it operates at peak efficiency. For those of us who want the best for our trucks, this level of assurance is invaluable.

One of the standout aspects of the DOC’S DIESEL filter is that it meets or exceeds OEM filtration ratings. This means I can trust that it performs just as well, if not better, than the original part. With a recommended replacement interval of 67,500 miles, it fits perfectly within my vehicle’s maintenance schedule. I find it convenient that I can plan for this replacement based on my driving habits or according to my vehicle’s warranty requirements. It’s a clear reminder that maintaining my truck doesn’t have to be a hassle.

For those who own a Ram 2500, 3500, 4500, or 5500, this filter is an exceptional choice. The compatibility with multiple models makes it a versatile option for many diesel truck enthusiasts. Knowing that I can install the DOC’S DIESEL Crankcase CCV Filter in my vehicle gives me peace of mind, especially since it also replaces other part numbers like the Mopar/Fleetguard CV52001 and Dorman 904-418. This makes it a great choice for anyone looking to ensure their engine runs smoothly and efficiently.

In conclusion, if you’re a Ram 6.7L Cummins owner like me, investing in the DOC’S DIESEL Crankcase CCV Filter is a no-brainer. It offers durability, quality, and peace of mind that I can drive confidently, knowing I’m using a product that meets high standards. I highly recommend making this purchase to keep your engine in optimal condition. You won’t regret it!

Feature	Description
Material	Durable high-quality material resistant to heat and oil
Quality Testing	Quality tested and inspected for peak efficiency
Filtration Ratings	Meets or exceeds OEM filtration ratings
Replacement Interval	Recommended replacement at 67,500 miles
Compatibility	Fits 2007.5-2023 Ram 6.7L Cummins models (2500, 3500, 4500, 5500)
OEM Replacement	Replaces Mopar/Fleetguard CV52001, Dorman 904-418

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4. 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 someone who understands the intricacies of maintaining a diesel engine, I can confidently say that the WEILEITE CCV Filter for the 6.7 Cummins Diesel is an essential product for any owner of a Dodge Ram 2500, 3500, 4500, or 5500 manufactured between 2008 and 2021. The crankcase breather filter is not just a mere accessory; it plays a crucial role in ensuring the smooth operation of your vehicle’s engine. If you’ve been experiencing issues with your crankcase breather filter or have reached the 67,500-mile mark, it’s high time to consider a replacement.

This product is designed as a direct replacement for your existing crankcase breather filter, which means it fits seamlessly into your vehicle without any need for modifications. The fact that it meets or exceeds OEM standards is a significant advantage; it gives me peace of mind knowing that I’m installing a part that has passed rigorous factory testing and is compatible with my vehicle’s original specifications. This is particularly beneficial for those who are not mechanically inclined, as it simplifies the installation process and eliminates the guesswork.

One of the standout features of the WEILEITE CCV Filter is its high-quality construction. Made from reinforced materials that are both oil-resistant and heat-resistant, this filter is built to last. I appreciate that it can effectively remove oil vapor, which helps protect the engine’s normal operation. This not only reduces wear and tear but also prevents blockages that can lead to costly repairs down the line. Improving engine life is a top priority for anyone who relies on their vehicle, and this filter does just that, providing long-term stable performance.

The compatibility of this filter is impressive, as it fits a wide range of vehicles equipped with the 6.7L Diesel Cummins Engine. From Dodge Rams to various Freightliner models, this product caters to a broad audience, ensuring that many drivers can benefit from its superior functionality. If you’re unsure about compatibility, the detailed list of vehicles provided makes it easy to determine if this filter is the right fit for your needs.

Additionally, I find the lifetime warranty that comes with the WEILEITE CCV Filter to be a compelling reason to make this purchase. Knowing that if the part fails or breaks, I can easily reach out for a replacement is a comfort. This warranty not only speaks volumes about the confidence the manufacturer has in their product but also allows me to save hundreds of dollars compared to dealer prices. It’s a smart investment for any diesel vehicle owner looking to maintain their engine without breaking the bank.

In conclusion, if you are looking for a reliable crankcase breather filter that offers high-quality construction, direct compatibility, and a lifetime warranty, I wholeheartedly recommend the WEILEITE CCV Filter. Investing in this product not only enhances the performance of your diesel engine but also ensures you are taking proactive steps to prolong its lifespan. Don’t wait until issues arise; consider purchasing this filter today for a smoother and more efficient driving experience.

Feature	Description
Direct Replacement	Fits seamlessly into your vehicle without modifications; meets or exceeds OEM standards.
High Quality	Made from reinforced materials; oil and heat-resistant for long service life.
Compatibility	Compatible with all 6.7L Diesel Cummins engines from 2007.5 to 2021.
OE Numbers	Replaces CV52001, 904-418, 4936636, 68002433AC, 68002433AB.
Warranty	Lifetime warranty against defects; save money compared to dealer prices.

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Why the 6.7 Cummins Crankcase Filter is a Game Changer for Me

As a proud owner of a 6.7 Cummins engine, I’ve always been on the lookout for ways to enhance its performance and longevity. One upgrade that I found particularly beneficial is the crankcase filter. This seemingly simple addition has made a significant difference in my engine’s overall health and efficiency.

First and foremost, the crankcase filter helps to reduce blow-by gases, which can accumulate in the crankcase and lead to increased pressure. By filtering out these gases, I’ve noticed a remarkable decrease in oil consumption. This means I’m not only saving money on oil but also extending the life of my engine. It feels great knowing that I’m doing my part to maintain my vehicle’s performance.

Moreover, the crankcase filter plays a crucial role in keeping the engine oil cleaner for a longer period. With less contamination from harmful particles and vapors, I find that I can go longer between oil changes without compromising engine health. This not only saves me time and money but also gives me peace of mind knowing that my engine is running as cleanly as possible.

Lastly, the installation of the crankcase filter has contributed to a noticeable reduction in

Buying Guide for 6.7 Cummins Crankcase Filter

Understanding the Importance of a Crankcase Filter

When I first learned about the 6.7 Cummins engine, I quickly realized how crucial the crankcase filter is for maintaining optimal performance. This component plays a vital role in keeping the engine clean by filtering out harmful contaminants and preventing excessive oil vapor from entering the atmosphere. A good crankcase filter not only extends the life of my engine but also contributes to better fuel efficiency.

Identifying the Right Specifications

Before making a purchase, I always check the specifications of the crankcase filter that suits my 6.7 Cummins engine. This includes understanding the dimensions, material compatibility, and filtration efficiency. I find it helpful to consult my vehicle’s manual or trusted online resources to ensure I’m getting the right fit.

Considering Filter Types

In my experience, there are different types of crankcase filters available. Some are designed for simple replacement, while others may include features like reusable filters or those that require periodic maintenance. I weigh the pros and cons of each type based on my maintenance routine and personal preference.

Evaluating Filter Quality

Quality is paramount when selecting a crankcase filter. I always look for filters that are made from durable materials and have a good reputation for performance. Reading user reviews and feedback can provide insights into how well a filter performs under various conditions. I value filters that have been tested and proven effective in real-world applications.

Checking Installation Requirements

Installation is another factor I consider. Some filters are easier to install than others, which can save me time and hassle. I appreciate filters that come with clear instructions or necessary tools for installation. I often check online forums or videos to see how others have installed similar filters.

Assessing Price vs. Value

While price is a consideration, I focus on value rather than simply choosing the cheapest option. I compare the features, quality, and longevity of different filters within my budget. Sometimes, investing a bit more upfront can save me money in the long run by preventing engine damage or the need for frequent replacements.

Looking for Warranty and Support

I always check if the crankcase filter comes with a warranty. A good warranty indicates that the manufacturer stands behind their product. Additionally, I appreciate companies that offer customer support, as it gives me peace of mind knowing I can get assistance if needed.

Final Thoughts

In conclusion, purchasing a crankcase filter for my 6.7 Cummins engine requires careful consideration of multiple factors. By understanding the importance of the filter, identifying the right specifications, evaluating quality, and assessing price versus value, I feel confident in making an informed decision. I know that choosing the right crankcase filter will ultimately enhance my engine’s performance and longevity.

Author Profile

Tristan Dennington

Hello! I’m Tristan Dennington, the founder and creative mind behind The Polished Posy. Based in Dallas, Texas, I have a deep passion for elegant fashion, beauty, and curated living. Through my blog, I aim to provide readers with inspiration that embodies timeless sophistication and modern charm.

Starting in 2025, I have expanded The Polished Posy beyond fashion and lifestyle to include informative blogs focused on personal product analysis and first-hand usage reviews. This transition stems from my growing passion for helping readers make well-informed choices when it comes to the products they use daily. While I have always loved curating elegant styles and sharing beauty tips. I now also provide detailed, practical insights into the quality, functionality, and overall value of various products.

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