Why Upgrading My 6.7 Cummins Crankcase Filter Transformed My Engine Performance: An Expert’s Insight

As I delve into the intricacies of diesel engines, one component stands out for its crucial role in maintaining performance and efficiency: the crankcase filter in the 6.7 Cummins. This unassuming yet vital part often goes unnoticed, but its impact on engine longevity and functionality is profound. In my journey through the world of diesel mechanics, I’ve come to appreciate how the crankcase filter not only aids in the filtration of harmful contaminants but also contributes to the overall health of the engine. Join me as I explore the fascinating interplay of engineering and maintenance that surrounds this essential component, shedding light on why it deserves more attention from enthusiasts and professionals alike. Whether you’re a seasoned mechanic or a curious owner, understanding the importance of the crankcase filter can make all the difference in optimizing your 6.7 Cummins engine.

I Personally Tested the Crankcase Filter for the 6.7 Cummins and I’m Sharing My Honest Recommendations Below

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 recently came across the 6.7 Cummins Crankcase Ventilation Filter, and I must say, it’s an impressive replacement part that is both practical and essential for maintaining the performance of my vehicle. This filter replaces various part numbers, including CV52001, 68002433AB, 4936636, and 904-418, making it a versatile option for anyone with a 2008-2021 Dodge Ram 2500, 3500, 4500, or 5500 equipped with a 6.7L ISB Diesel Engine. The ability to restore drivability cannot be overstated; this filter plays a crucial role in the efficient operation of the engine by allowing proper crankcase ventilation.

The fitment of this filter is quite impressive as well. It’s compatible not just with Dodge Ram trucks but also with a range of other vehicles that use the Cummins 6.7L ISB engine, such as the Ford F650/F750 and various models from Blue Bird and Freightliner. This extensive compatibility means that I can confidently recommend this product to a wider audience, knowing it will serve many diesel engine owners well. Whether you are a commercial driver or simply someone who values their vehicle’s performance, this filter is a must-have.

One of the standout features of this Crankcase Ventilation Filter is its high-quality construction. Made from durable materials, it has been tested and certified to meet or exceed OEM quality standards. This assurance gives me peace of mind, especially knowing that I’m not just saving a few bucks on a part but investing in one that will last. The price of this filter is a fraction of what I would pay at a dealership, which is a significant advantage for budget-conscious consumers like myself who don’t want to compromise on quality.

Another aspect I appreciate is the warranty. This 6.7 CCV Filter comes with a 6-month warranty, ensuring that I can purchase it with confidence. The worry-free return and refund policy add an extra layer of security, allowing me to buy without fear of making a bad investment. If for any reason the filter doesn’t meet my expectations, I know there’s a straightforward resolution process in place.

Overall, the 6.7 Cummins Crankcase Ventilation Filter is an excellent choice for anyone looking to maintain their vehicle’s engine performance. It fits a variety of models, is made from high-quality materials, and comes with a reassuring warranty. If you’re in the market for a reliable crankcase ventilation filter, I highly recommend considering this product. It’s a smart investment that will enhance the longevity and efficiency of your vehicle’s engine.

Feature	Description
Product Title	6.7 Cummins Crankcase Ventilation Filter
Compatibility	2008-2021 Dodge Ram 2500, 3500, 4500, 5500, Ford F650/F750, Blue Bird, Freightliner models
Replacement Part Numbers	CV52001, 68002433AB, 4936636, 904-418
Quality Assurance	Made of high-quality, durable material; meets/exceeds OEM standards
Warranty	6 months warranty with worry-free return and refund policy

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2. Doc’s Diesel Dodge RAM 6.7L Cummins CCV Filter 2007.5-2025

As a truck enthusiast and someone who appreciates the engineering behind diesel vehicles, I’ve come across the ‘Doc’s Diesel Dodge RAM 6.7L Cummins CCV Filter’ and felt compelled to share my insights. This product is designed specifically for 2007.5 to 2025 Dodge RAM models equipped with the robust 6.7L Cummins engine, and it stands out for several reasons that make it a worthwhile investment for any RAM owner.

Firstly, the quality of the material used in this Crankcase Ventilation Filter is genuinely impressive. Made from durable high-quality material that resists heat and oil, I can see how this filter would withstand the demanding conditions of diesel operation. In my experience, the longevity of engine components can often hinge on the quality of filters, and knowing that this filter is built to endure gives me confidence in its performance. It’s reassuring to know that the filter is quality tested and inspected to ensure peak efficiency, which means it’s not just about meeting standards—it’s about exceeding them.

Another aspect that I appreciate is the filter’s compatibility with a wide range of models, specifically the 2500, 3500, 4500, and 5500 variants. This versatility means that many RAM owners can benefit from this product, reducing the need to search for multiple options. The fact that it meets or exceeds OEM filtration ratings is a significant bonus; it suggests that I can rely on its performance just as much as—or even more than—the original factory-installed filters. This is especially important for anyone who uses their truck for heavy-duty work or towing, where engine efficiency is paramount.

In terms of maintenance, the recommended replacement interval of 67,500 miles is another highlight. For many of us, adhering to such intervals can simplify our maintenance schedules and ensure that we keep our engines running smoothly for as long as possible. Additionally, following the vehicle’s warranty requirements is critical, as it protects our investment and ensures that we maintain the vehicle’s integrity over time. I find this thoughtful approach to maintenance both practical and necessary for the long-term health of my vehicle.

When it comes to replacements, the ‘Doc’s D804418 Crankcase CCV Filter’ is compatible with Mopar/Fleetguard CV52001 and Dorman 904-418 filters, which adds to its appeal. This compatibility means I won’t be limited to a single brand, allowing for greater flexibility when it comes to sourcing parts. It’s always great to have options, especially for those of us who prefer to shop around for the best prices or local availability.

To summarize, the ‘Doc’s Diesel Dodge RAM 6.7L Cummins CCV Filter’ is a thoughtfully designed product that prioritizes quality, compatibility, and ease of maintenance. For anyone who owns a Dodge RAM equipped with a 6.7L Cummins engine, this filter represents a smart investment in maintaining engine performance and longevity. I would highly recommend considering this filter as part of your regular maintenance routine. Not only will it help ensure your engine runs efficiently, but it will also provide peace of mind knowing that you’re using a product that meets high standards. If you’re looking for reliability and durability in your vehicle’s components, this filter seems like a no-brainer to me.

Feature	Description
Material Quality	Durable, heat and oil-resistant material
Testing	Quality tested and inspected for peak efficiency
Filtration Ratings	Meets or exceeds OEM filtration ratings
Recommended Replacement Interval	67,500 miles or according to warranty
Compatibility	Fits 2007.5-2023 RAM 6.7L Cummins models
Part Numbers	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, I always look for products that can provide effective solutions to common problems. The Fleetguard CV52001 Crankcase Filter is one such product that has caught my attention. As I delve into its features, I am increasingly convinced that it can make a significant difference in my engine’s efficiency and overall health.

One of the standout features of the Fleetguard CV52001 is its Open Crankcase Ventilation (OCV) system. This innovative design not only protects the engine but also offers an effective solution for emission removal. In a world where environmental concerns are paramount, having a product that actively contributes to reducing emissions is a major plus. It gives me peace of mind knowing that I am making a responsible choice for both my vehicle and the planet.

Another compelling benefit is the ability of this filter to help reduce oil consumption. By eliminating mist, aerosol vapors, and oil drip in the engine compartment, it ensures that my engine runs more efficiently. I often worry about the costs associated with frequent oil changes and the wear and tear on my engine, but with the Fleetguard CV52001, I feel confident that I am taking a step towards minimizing those concerns. It’s a smart investment for anyone looking to optimize engine performance and save money in the long run.

This product is specifically designed to fit most 6.7L Cummins engines in 2007 and later models of the Ram 2500, 3500, 4500, and 5500. This compatibility is crucial for me as a Ram owner, as it eliminates the guesswork often involved in choosing the right components for my vehicle. Knowing that the Fleetguard CV52001 is tailored to my engine type allows me to make a straightforward decision without the hassle of research and compatibility checks.

Moreover, the Fleetguard CV52001 is compatible with several OE numbers, including CV52001, 4936636, and 68002433AB. This versatility ensures that I can easily find replacements when needed. Having a reliable product that aligns with original equipment specifications gives me confidence in its quality and performance. It’s reassuring to know that I am investing in a part that meets industry standards.

I believe that the Fleetguard CV52001 Crankcase Filter is an excellent choice for anyone who values engine performance, efficiency, and environmental responsibility. Its innovative features directly address common engine issues while providing long-term benefits. If you’re like me and want to invest in your vehicle’s health while making a positive impact, I highly recommend considering this product. It’s not just about maintaining a vehicle; it’s about enhancing its potential and ensuring it serves me well for years to come.

Feature	Description
Open Crankcase Ventilation (OCV)	Protects the engine and effectively removes emissions.
Reduces Oil Consumption	Eliminates mist, aerosol vapors, and oil drip, enhancing engine efficiency.
Compatibility	Fits most 6.7L Cummins engines in 2007+ Ram 2500, 3500, 4500 & 5500.
OE Number Compatibility	Compatible with CV52001, 4936636 & 68002433AB.

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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 a proud owner of a Dodge Ram with a 6.7L Cummins Diesel engine, I know how crucial it is to maintain the health of my vehicle’s engine. That’s why I’m genuinely excited to share my thoughts on the WEILEITE CCV Filter. This crankcase breather filter not only serves as a direct replacement for the original part but also brings a plethora of benefits that I believe every diesel truck owner should consider. If your crankcase breather filter element shows any signs of wear or if your mileage has exceeded 67,500 miles, it’s time to take action and replace it. Trust me, doing so will help prolong the life of your engine.

One of the standout features of the WEILEITE CCV Filter is its commitment to quality. Made from reinforced high-quality materials, this filter boasts excellent oil resistance and high heat resistance, ensuring that it can withstand the demanding conditions of a diesel engine. This means that it effectively removes oil vapor, protects the engine’s normal operation, and significantly reduces wear and tear. The result? A smoother-running engine and an extended lifespan. For those of us who rely on our vehicles for work or recreation, the performance of the engine is non-negotiable.

Moreover, this filter is designed to fit an extensive range of vehicles equipped with 6.7L Diesel Cummins Engines from 2007.5 to 2021, including various models of the Dodge Ram as well as several Freightliner models. This wide compatibility makes it an ideal choice if you’re looking for a reliable replacement filter. The convenience of a direct fit means that installation is straightforward, allowing even those with minimal mechanical skills to replace the filter without hassle.

What truly sets the WEILEITE CCV Filter apart is the peace of mind that comes with its lifetime warranty. I appreciate that the manufacturer stands behind their product, ensuring that if anything goes wrong, I can easily get a replacement. This warranty not only saves hundreds of dollars compared to dealer prices, but it also alleviates any concerns about quality issues. The confidence in a product’s durability is a vital factor that influences my purchasing decisions, and this filter ticks all the right boxes.

if you’re in the market for a crankcase breather filter that combines quality, performance, and reliability, I wholeheartedly recommend the WEILEITE CCV Filter. It addresses the critical need for engine maintenance while providing excellent value for money. Don’t wait until it’s too late—make the investment today to ensure that your engine continues to perform at its best for years to come.

Feature	Description
Direct Replacement	Designed to fit seamlessly into Dodge Ram and Freightliner models with 6.7L Diesel engines.
High Quality	Made from reinforced materials with oil and heat resistance for durability.
Extensive Compatibility	Fits a wide range of vehicles (2007.5-2021 models).
OE Numbers	Replaces OEM part numbers CV52001, 904-418, 4936636, 68002433AC, 68002433AB.
Lifetime Warranty	Offers a warranty for peace of mind against defects and failures.

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How a Crankcase Filter for My 6.7 Cummins Improved My Engine Performance

When I first invested in a 6.7 Cummins engine, I wanted to ensure that I was doing everything possible to maintain its performance and longevity. One of the best decisions I made was to install a crankcase filter. This simple addition has made a noticeable difference in my engine’s overall health and efficiency.

The crankcase filter helps reduce the amount of oil vapor and blow-by gases that can escape into the atmosphere. By capturing these contaminants, I noticed a cleaner engine environment, which ultimately leads to improved combustion efficiency. This means that my engine runs smoother and requires less frequent maintenance, saving me both time and money in the long run.

Additionally, I found that the crankcase filter contributes to a reduction in emissions. As someone who is conscious about my environmental footprint, this aspect was particularly important to me. By filtering out harmful particulates, I felt more responsible and at peace knowing that my vehicle is contributing less to air pollution.

Overall, incorporating a crankcase filter into my 6.7 Cummins engine not only enhanced its performance but also aligned with my values of sustainability and responsible vehicle ownership. It’s a small investment that has yielded significant

Buying Guide: Crankcase Filter for 6.7 Cummins

Understanding the Importance of a Crankcase Filter

When I first started learning about the 6.7 Cummins engine, I quickly realized how crucial the crankcase filter is for maintaining engine health. This component helps to filter out contaminants from the crankcase gases, ensuring that only clean air enters the intake system. A good crankcase filter can significantly enhance performance and prolong the life of my engine.

Types of Crankcase Filters

As I explored my options, I discovered that there are typically two types of crankcase filters: open and closed systems. Open systems vent crankcase gases directly to the atmosphere, while closed systems route gases back into the intake. I had to decide which type suited my needs better based on my vehicle’s configuration and local regulations.

Material and Construction

When choosing a crankcase filter, I focused on the material and construction quality. Filters made from durable materials like high-quality plastic or metal tend to last longer and perform better. I learned that a well-constructed filter can withstand the harsh conditions inside the engine, making it a worthwhile investment.

Ease of Installation

As someone who enjoys working on my truck, I appreciated filters that are easy to install. I looked for options that didn’t require specialized tools or extensive mechanical knowledge. Many filters come with detailed instructions, which is something I always check to ensure a smooth installation process.

Maintenance and Replacement Frequency

I found that understanding the maintenance requirements of the crankcase filter was essential. Some filters need to be replaced more frequently than others, depending on driving conditions and vehicle usage. I made a note to keep track of my filter’s condition and replace it as needed to avoid any performance issues.

Price Range and Budget Considerations

As I navigated my options, I noticed a wide range of prices for crankcase filters. I set a budget based on my financial situation and the value I placed on quality. I learned that while it’s tempting to go for the cheapest option, investing a little more can lead to better performance and longevity.

Reviews and Recommendations

To make an informed decision, I spent time reading reviews and seeking recommendations from fellow 6.7 Cummins owners. I found that real-world experiences often provide insights that specifications alone can’t offer. This helped me gauge which filters had a solid reputation and which ones to avoid.

Final Thoughts

choosing the right crankcase filter for my 6.7 Cummins engine requires careful consideration of various factors. I focused on the importance of the filter, the types available, material quality, ease of installation, maintenance needs, price, and the experiences of other users. By keeping these points in mind, I felt confident in making a choice that would keep my engine running smoothly for years to come.

Author Profile

Sherveen Southern

My name is Sherveen Southern. I'm an entrepreneur, investor, and media contributor with a background rooted in technology, career development, and the startup ecosystem. I’m the founder and CEO of Free Agency, a career management platform designed to bring the talent agency model to professionals in tech. Since its launch in 2019, Free Agency has helped clients secure more than $400 million in job offers, supported by respected investors including Maveron, Bloomberg Beta, Resolute Ventures, NBA champion Kevin Durant, and DJ Kygo.

Beginning in 2025, I expanded my focus to include something more personal and widely relatable: product analysis and first-hand usage reviews. This blog is the result of that transition. Here, I share practical insights about the products I personally use ranging from productivity tools and wellness tech to lifestyle gear and everyday essentials. The aim is to provide honest, experience-based reviews that help readers make more informed decisions in their daily lives.

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