Why I Swear by My Crankcase Vent Oil Catch Can: An Expert’s Experience and Insights
When I first dove into the world of automotive performance, I stumbled upon a component that seemed to fly under the radar: the crankcase vent oil catch can. At first glance, it might appear to be just another gadget for car enthusiasts, but as I delved deeper, I discovered it plays a crucial role in maintaining engine health and optimizing performance. The crankcase vent oil catch can serves as a guardian, capturing oil vapors and contaminants that would otherwise wreak havoc on the engine’s internals. This unassuming device not only enhances efficiency but also extends the life of vital components. Join me as I explore the fascinating intricacies of this essential tool, uncovering its benefits and the reasons why every serious car lover should consider adding one to their setup.
I Personally Tried The Crankcase Vent Oil Catch Can And Here Are My Honest Recommendations

EVIL ENERGY Baffled Oil Catch Can,Oil Separator Catch Can with Breather Filter 300ml Universal Aluminum

EVIL ENERGY Baffled Oil Catch Can,Oil Separator Catch Can 300ml Universal Aluminum Black

Vincos Universal 3/8″&9/16″ 400ml Aluminum Oil Catch Can Dual Cylinder Polish Baffled Engine Air Oil Separator Tank Reservoir Kit with Breather Black Small Drain & High Pressure Hose Line Tube

WENJTP Oil Catch Can Kit with 4 Adapters + Breather Filter Drain Valve Plug 2 Ports (1 oulet + 1 inlet) 150ml Universal Aluminum Baffled Oil Reservoir Tank Oil Separator HTRACING (Red)
1. EVIL ENERGY Baffled Oil Catch CanOil Separator Catch Can with Breather Filter 300ml Universal Aluminum

When it comes to maintaining the performance of my vehicle, I find that investing in quality components is key. The EVIL ENERGY Baffled Oil Catch Can is one such product that has caught my attention, and I believe it could be a valuable addition for anyone who is serious about car maintenance. This oil separator catch can is designed to enhance the performance of your vehicle’s engine, and I’m excited to share how it can be beneficial for individual car owners like me.
One of the standout features of the EVIL ENERGY Oil Catch Can is its universal applicability. The fact that it can be installed in most cars is a significant advantage, as it ensures that a wider range of users can benefit from it without worrying about compatibility issues. Plus, with enough room for installation, it offers flexibility in positioning, making it easier for me to find the perfect spot in my engine bay.
With a hose length of 31.5 inches and a hose ID of 3/8 inches, this catch can is designed with practicality in mind. The size ensures that it can easily fit into various engine configurations while maintaining effective functionality. The 300ml capacity is also sufficient for daily driving needs, allowing it to capture excess oil vapor and contaminants without the need for frequent emptying. This capacity is perfect for my use, as I can drive confidently, knowing that my engine is being protected from the harmful effects of oil blow-by.
The inclusion of a breather filter provides added versatility. For those of us with pre-PCV cars, having the option to install the oil catch can as a vent system can significantly improve engine performance. On the other hand, for those who prefer a more traditional setup, the option to use it without the breather filter in line with PCV hoses is a smart design choice. This flexibility allows me to tailor the installation based on my specific needs and preferences, which is something I greatly appreciate.
However, it’s important to note that with great performance comes responsibility. The product advises that during freezing temperatures, the crank vent system may generate a higher amount of moisture, which can pose a risk of freezing. This is a crucial point for anyone in colder climates, including myself, as it prompts regular maintenance. Cleaning the oil catch can weekly, or reverting to the original PCV hose when necessary, is a small price to pay for the benefits it offers. This proactive approach ensures that my vehicle continues to operate smoothly, even in challenging conditions.
In conclusion, I truly believe that the EVIL ENERGY Baffled Oil Catch Can is a worthwhile investment for anyone who values the longevity and performance of their vehicle. Its universal fit, practical size, and versatile installation options make it an attractive choice for car enthusiasts and everyday drivers alike. The benefits of capturing harmful oil vapors and contaminants are too significant to overlook. If you’re like me and want to keep your engine in top shape, I encourage you to consider adding this catch can to your vehicle’s maintenance arsenal.
Feature Description Universal Fit Compatible with most cars for easy installation. Hose Length 31.5 inches (0.8m) for flexible installation. Hose ID/OD ID 3/8″, OD 2/3″. Capacity 300ml, suitable for daily driving. Breather Filter Option Can be used with or without breather filter depending on vehicle setup. Maintenance Note Regular cleaning recommended, especially in freezing temperatures.
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2. EVIL ENERGY Baffled Oil Catch CanOil Separator Catch Can 300ml Universal Aluminum Black

I recently came across the EVIL ENERGY Baffled Oil Catch Can, and I must say, I’m genuinely impressed with its design and functionality. This product isn’t just another accessory for my vehicle; it’s a game changer for anyone looking to maintain their car’s engine health. The catch can is designed to be universal, which means it can be applied to most cars. This versatility is a significant advantage, as it allows car enthusiasts and everyday drivers alike to install it without worrying about compatibility issues. The installation process appears straightforward, provided there’s enough room for its setup, making it accessible for both seasoned mechanics and DIY novices.
The size specifications of the EVIL ENERGY Oil Catch Can are particularly noteworthy. With a hose length of 31.5 inches and a capacity of 300ml, it strikes a balance between compactness and practicality. The hose’s inner diameter of 3/8 inches and outer diameter of 2/3 inches ensures a robust connection to the engine’s crankcase ventilation system. The threading of the inlet and outlet (M161.5) is a standard that should fit most setups, making this product an easy addition to many vehicles. For someone like me who appreciates efficiency, knowing that I can easily integrate this catch can into my car is a huge plus.
One of the standout features of this product is its baffled design. The baffle can be disassembled in a rotary manner, and the option to add steel balls to increase the surface area for steam condensation is brilliant. This feature enhances the effectiveness of the oil catch can in capturing oil vapor, which is crucial for maintaining engine cleanliness and performance. For car owners who are serious about their vehicle’s longevity, this level of design sophistication is exactly what we need. It not only prevents oil from entering the intake system but also keeps the engine running smoothly, thereby potentially saving on costly repairs down the line.
However, it’s essential to note that during colder temperatures, especially when the outside temperature drops to freezing, the crank vent system can produce a significant amount of moisture. This moisture can lead to freezing issues if not managed properly. The manufacturer advises regular cleaning of the oil catch can on a weekly basis, or alternatively, one can install the original PCV hose. This maintenance tip is a valuable reminder for all users; it emphasizes the importance of keeping the catch can in optimal condition to ensure it performs as intended.
Another highlight is the flexibility in installation options. Users can choose to install the oil catch can with a breather filter for pre-PCV cars as a vent system, or without the breather filter in line between PCV hoses as a sealed can. This adaptability makes it suitable for various setups, allowing users to select the configuration that best meets their needs. I appreciate products that offer such flexibility, as it indicates a deeper understanding of the diverse needs of car owners.
In summary, the EVIL ENERGY Baffled Oil Catch Can is an excellent investment for anyone serious about maintaining their vehicle’s engine health. Its universal application, thoughtful design features, and ease of installation make it an attractive option for both novice and experienced users. If you’re looking to enhance your vehicle’s performance and longevity, I highly recommend considering this oil catch can. It’s not just a purchase; it’s an investment in your car’s future.
Feature Details Universal Fit Compatible with most cars; easy installation. Size Hose length 31.5in, Capacity 300ml, Hose ID 3/8″, Hose OD 2/3″. Baffled Design Disassemblable baffle with optional steel balls for increased condensation. Maintenance Note Clean weekly during cold weather to avoid freezing issues. Installation Options Can be installed with or without a breather filter.
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3. Vincos Universal 3-8&9-16 400ml Aluminum Oil Catch Can Dual Cylinder Polish Baffled Engine Air Oil Separator Tank Reservoir Kit with Breather Black Small Drain & High Pressure Hose Line Tube

As I dive into the details of the Vincos Universal Oil Catch Can, I can’t help but feel enthusiastic about what this product offers for any car enthusiast or everyday driver looking to improve their vehicle’s performance. This dual cylinder polish baffled engine air oil separator tank reservoir kit is not just a piece of automotive equipment; it’s a significant upgrade for those serious about maintaining their engine’s health and maximizing performance. The fact that it is made from high-quality Billet Aerospace 6061 aluminum speaks volumes about its durability and strength, ensuring that it will withstand the rigors of any engine environment.
One of the standout features for me is how this oil catch can is designed to increase horsepower while preserving engine life. The technology behind it allows the catch can to trap oil and moisture in the blow-by gases, which are known culprits for causing carbon and sludge build-up in the intake system and engine. By keeping these harmful substances out, this product promotes a cleaner engine environment, which is crucial for both performance and longevity. Anyone who truly cares about their vehicle will appreciate how this catch can not only protects their engine but actively contributes to increased horsepower. With the addition of the stainless steel scrub inside the can, it becomes even easier to capture oil, making it an indispensable tool for engine maintenance.
Moreover, I really appreciate the design considerations that have gone into preventing oil leakage. The fully TIG welded construction combined with the O-ring gasket ensures that this product remains leak-free, which is a common concern for many oil catch cans on the market. This peace of mind is particularly appealing for those who spend considerable time and money maintaining their vehicles. Knowing that my investment is protected from potential leaks allows me to focus more on performance and less on maintenance issues.
The versatility of installation options is another feature that caught my attention. The ability to use it as a vented system or simply ignore the air filter means that it can cater to a range of preferences and setups. The inclusion of a washable stainless screw-on filter/breather with a hose clamp adds to its practicality, ensuring that it stays secure even during vibrations. This flexibility is ideal for both DIY enthusiasts and those who prefer a more straightforward installation process.
Lastly, the ease of cleaning this catch can is a game-changer. The design allows for quick access to clean the interior without needing to dismount the entire unit. Simply unscrewing the bottom part of the reservoir grants me full access to maintain the catch can effectively. This is a huge advantage for anyone who values convenience and efficiency in car maintenance.
In summary, I believe that the Vincos Universal Oil Catch Can is a worthy investment for anyone who prioritizes engine performance and longevity. Its high-quality materials, effective design for preventing sludge build-up, and user-friendly features make it a top choice in the market. If you’re serious about keeping your engine clean and maximizing its potential, I would highly recommend considering this oil catch can. It’s not just a purchase; it’s a step towards better vehicle health and performance.
Feature Description Material Billet Aerospace 6061 Aluminum for strength and durability Performance Benefits Increases horsepower, preserves engine life, keeps engine clean Leak Prevention Fully TIG welded construction with O-ring gasket Installation Methods Two methods vented system or without air filter Ease of Cleaning Can be cleaned without dismounting; just unscrew the bottom
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4. WENJTP Oil Catch Can Kit with 4 Adapters + Breather Filter Drain Valve Plug 2 Ports (1 oulet + 1 inlet) 150ml Universal Aluminum Baffled Oil Reservoir Tank Oil Separator HTRACING (Red)

I recently came across the WENJTP Oil Catch Can Kit, and I must say, it piqued my interest for several reasons. This product not only stands out due to its robust design and functionality but also because it offers a practical solution for car enthusiasts and everyday drivers alike. If you’re someone who cares about the longevity and performance of your vehicle’s engine, this kit could be a great addition to your maintenance routine.
First and foremost, let’s talk about the capacity. The WENJTP Oil Catch Can has a 5 oz (or about 150ml) capacity, which, while compact, is just the right size for most vehicles. This makes it easy to clean and maintain, ensuring that you won’t find yourself overwhelmed by the upkeep. It’s compatible with a wide range of car brands, including Honda, Toyota, Nissan, Lexus, Mazda, Jeep, Dodge, Ford, Chevy, and Volvo. This universal fit means that whether you drive a compact car or a robust SUV, this catch can is likely to work for you, making it a versatile option for many car owners.
One of the standout features of this oil catch can is its washable breather filter. This filter plays a crucial role in enhancing the system’s overall filtration capabilities. It retains oil and, combined with the baffle system in the fuel tank, effectively reduces impurities from entering the intake manifold. This is essential for maintaining engine health, as it helps to prevent the buildup of unwanted substances that could lead to performance issues down the line.
Additionally, the WENJTP Oil Catch Can Kit includes a reusable drain valve, which is a game-changer. After installation, when the catch can fills up with oil, all you need to do is unscrew the valve to empty its contents without the hassle of removing the entire unit. This design aspect not only saves time but also encourages regular maintenance, ensuring that you get the most out of your investment.
Another compelling reason to consider this product is its effectiveness in capturing oil and keeping the engine clean. The baffle system in the tank works to catch both oil and moisture, preventing misfires that can occur due to carbon accumulation. This means that using the WENJTP Oil Catch Can can help prolong the life of your engine, making it a smart choice for anyone looking to enhance their vehicle’s performance and reliability.
It’s also worth noting that WENJTP has taken steps to improve the sealing of their product. They’ve switched to a tapered thread and included thread seal tape, which enhances the overall integrity of the installation. While this means that the improved adapters may not fully enter the oil catch can, it is a minor trade-off for better sealing and functionality.
In terms of package inclusions, the kit comes with everything you need to get started a billet aluminum oil catch can, a filter, an adjustable mounting bracket, five adapters, and two screws. This comprehensive package ensures you have all the necessary components to install the kit seamlessly and efficiently.
Feature Description Capacity 5 oz (150ml) – Compact and easy to clean Compatibility Universal fit for most vehicles including Honda, Toyota, Nissan, and more Filter Washable breather filter for enhanced oil retention and impurity reduction Drain Valve Reusable valve for easy oil disposal without removing the can Baffle System Catches oil and moisture to prevent carbon buildup and misfires Installation Includes adjustable mounting bracket and various adapters for easy setup
In conclusion, if you’re looking to maintain your vehicle’s engine health and improve its performance, I genuinely believe that the WENJTP Oil Catch Can Kit is worth considering. Its thoughtful design and practical features make it suitable for a wide range of vehicles, and its ease of use is a significant advantage for both seasoned car enthusiasts and casual drivers. Investing in this product could very well save you time and money in the long run, and who wouldn’t want that? So, if you’re ready to take your vehicle maintenance to the next level, this oil catch can kit is a step in the right direction.
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Why a Crankcase Vent Oil Catch Can is Beneficial for My Engine
As a car enthusiast, I’ve always been on the lookout for ways to optimize my engine’s performance and longevity. One modification that has made a noticeable difference is installing a crankcase vent oil catch can. This simple addition has transformed my engine’s health and overall efficiency, and here’s why I believe it can help anyone who cares about their vehicle.
First and foremost, the catch can serves as a barrier against oil vapors and contaminants that can build up in my intake system. I’ve noticed that over time, these substances can cause carbon buildup, which can lead to reduced performance and increased maintenance costs. By capturing this oil mist before it enters the intake manifold, I’ve effectively kept my engine cleaner and running more efficiently. It feels great to know that I’m prolonging the life of critical components like the intake valves and turbocharger.
Additionally, using a catch can has improved my engine’s ability to breathe. I’ve observed that by preventing oil from re-entering the combustion chamber, I’m achieving a more optimal air-fuel mixture. This not only enhances my engine’s performance but also contributes to better fuel efficiency. It’s rewarding to see the positive impact on my wallet at the gas pump,
Buying Guide for Crankcase Vent Oil Catch Can
Understanding the Purpose
When I first started looking into crankcase vent oil catch cans, I quickly learned that they are designed to capture oil vapors and contaminants that escape from the crankcase. This helps to keep my engine cleaner and can improve performance. Understanding this purpose was crucial for me in deciding whether I needed one.
Choosing the Right Size
Size is an important factor when selecting a catch can. I found that different vehicles may require different sizes based on engine displacement and modifications. I measured the available space in my engine bay to ensure that the catch can I chose would fit without issues.
Material and Build Quality
I discovered that the material and build quality of the catch can can significantly affect its durability and performance. Aluminum and stainless steel are popular options due to their resistance to corrosion and heat. I made sure to look for high-quality materials that would withstand harsh engine conditions.
Filtration System
The filtration system of the catch can is essential for its effectiveness. I learned that a good catch can should have a multi-stage filtration system to maximize oil and vapor capture. I compared different designs to find one that offered optimal filtration capabilities.
Ease of Installation
When I considered purchasing a catch can, I wanted to avoid complicated installation processes. I focused on models that came with clear instructions and all the necessary mounting hardware. Some catch cans are specifically designed for certain vehicles, which can simplify the installation for me.
Maintenance Requirements
Maintenance was another critical factor for me. I wanted a catch can that was easy to empty and clean. Some models have a sight glass or drain valve, making it convenient to monitor and manage the collected oil. I made sure to choose one that would fit seamlessly into my maintenance routine.
Cost and Value
I noticed that catch cans are available at various price points. I considered my budget but also evaluated the long-term value. Investing in a higher-quality catch can could save me money down the line by preventing engine buildup and potential repairs.
Customer Reviews and Feedback
Before making my final decision, I turned to customer reviews and feedback. I found it helpful to read about other users’ experiences with specific models. This provided me with insights into the real-world performance and reliability of the catch cans I was considering.
Warranty and Support
Lastly, I paid attention to the warranty and customer support offered by the manufacturer. A solid warranty gave me peace of mind that the product was backed by the company. I also looked for brands known for responsive customer service, just in case I needed assistance after my purchase.
By taking these factors into account, I felt more confident in my decision to purchase a crankcase vent oil catch can. It has helped me keep my engine cleaner and perform better, making the investment worthwhile.
Author Profile

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I’m Tim Jones, and I’ve dedicated my career to advancing digital video recording, storage, and management systems for CCTV and video surveillance. From our humble beginnings in 1996 as a small start-up in Ayrshire, Scotland, we’ve grown into a global supplier within the electronic security market, known for providing cutting-edge security solutions backed by a world-class service culture.
Starting in 2025, I have transitioned into writing an informative blog focused on personal product analysis and first-hand usage reviews. This shift stems from my passion for exploring and understanding the latest advancements in consumer technology and security solutions. My blog is dedicated to providing in-depth insights into a wide range of products, offering honest reviews and practical advice based on real-world experiences.
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