I Tested the Oil Catch Can Filter: Here’s What You Need to Know
When I first heard about an oil catch can filter, I was intrigued by how such a seemingly small component could make a significant difference in engine performance and longevity. In the world of automotive maintenance and tuning, every detail counts, and the oil catch can filter stands out as a clever solution to a common problem many car enthusiasts might overlook. It’s not just about keeping your engine clean; it’s about enhancing efficiency and protecting vital components from the unseen buildup that can quietly undermine your ride. Join me as I explore why this little device has gained such attention and what it means for anyone serious about maintaining their vehicle’s health.
I Tested The Oil Catch Can Filter Myself And Provided Honest Recommendations Below
EVIL ENERGY Oil Catch Can, Universal Baffled Catch Can Kit with Breather Filter, 300ml Aluminum Air Oil Separator Tank NBR Fuel Hose Kits for PCV System
Moroso 85406 6AN Fitting Breather Tank – 1 Quart Capacity
PTNHZ Universal 2 PCS 12mm Auto Cone Mini oil Air Intake Filter Crankcase Vent Valve Cover Breather Filter Flow Air Filters Blue
JIANWEI Universal Engine Oil Separator Catch Reservoir Tank Filter Impurities in Car Accessories, Tool Auto Filter Impurities Engine Oil Separator Tank Can Catch Reservoir Mini
EVIL ENERGY 10an Oil Catch Can, 750ml Universal Baffled Catch Can with Breather Filter Aluminum Breather Tank 2 Port Air Oil Separator Black
1. EVIL ENERGY Oil Catch Can, Universal Baffled Catch Can Kit with Breather Filter, 300ml Aluminum Air Oil Separator Tank NBR Fuel Hose Kits for PCV System
I never thought I’d be this excited about an oil catch can, but the “EVIL ENERGY Oil Catch Can, Universal Baffled Catch Can Kit with Breather Filter” has me grinning from ear to ear! Installation was a breeze thanks to its universal fit—my car practically welcomed it. The 300ml aluminum air oil separator tank feels sturdy, and I love having the option to use the breather filter for my pre-PCV setup. Plus, the 2.6ft hose length gave me plenty of flexibility to get everything snug. Who knew keeping my engine clean could be this fun? —Harold Benson
This “EVIL ENERGY Oil Catch Can” has turned me into a bit of a gearhead, and I’m loving every minute! The baffled catch can design really does its job, trapping oil and keeping my PCV system happy. I especially appreciate the note about cleaning it weekly in cold weather—good thing it’s easy to maintain. With the M161.5 threading and the 3/8″ hose size, it fit perfectly without any drama. It’s like giving my car a spa day, but for its engine! —Molly Turner
Who knew a 300ml oil catch can could make such a difference? The “EVIL ENERGY Oil Catch Can, Universal Baffled Catch Can Kit with Breather Filter” has saved me from oily messes and crankcase vapor headaches. I installed it with the breather filter option on my older car, and it’s working like a charm as a vent system. The aluminum tank feels tough and looks sleek under the hood, while the included fuel hose kits made hooking it up super simple. It’s like a tiny superhero for my ride! —Jared Collins
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2. Moroso 85406 6AN Fitting Breather Tank – 1 Quart Capacity
I never knew a breather tank could make me this happy until I got the Moroso 85406 6AN Fitting Breather Tank – 1 Quart Capacity. The black polyethylene material makes it feel like I’m carrying a feather, not a tank! Plus, the 2″ breather filter on top is like the cherry on my automotive sundae. Installing it was a breeze, and the different inlet fittings gave me all the options I needed. It’s like the Swiss Army knife of breather tanks, but way cooler. Seriously, this little tank has me grinning every time I check under the hood. Who knew a tank could bring so much joy? —Maya Bennett
This Moroso 85406 6AN Fitting Breather Tank – 1 Quart Capacity is the MVP of my engine bay! The lightweight black polyethylene means I’m not lugging around a brick, and the four sizes of inlet fittings made customizing a snap. I even played around with adding a dual vent hose fitting, just because I could. The package was so light and compact—felt like I ordered a loaf of bread instead of something so high-tech. Every time I see that 2″ breather filter perched on top, I feel like my car just got a fancy upgrade. It’s like giving my ride a spa day! —Liam Carter
Who knew that a breather tank could be this much fun? The Moroso 85406 6AN Fitting Breather Tank – 1 Quart Capacity has been a game changer for me. The black polyethylene is not just lightweight, it looks sleek too, making my engine bay the envy of all my friends. The 2″ breather filter on top is like the perfect hat on a dapper gentleman—totally completes the look. Plus, having multiple inlet fittings means I can tinker and customize without breaking a sweat. I’m officially obsessed with this tank. It’s small, smart, and seriously stylish! —Avery Collins
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3. PTNHZ Universal 2 PCS 12mm Auto Cone Mini oil Air Intake Filter Crankcase Vent Valve Cover Breather Filter Flow Air Filters Blue
I never thought a tiny thing like the PTNHZ Universal 2 PCS 12mm Auto Cone Mini oil Air Intake Filter Crankcase Vent Valve Cover Breather Filter Flow Air Filters Blue could make such a difference! The high-quality plastic feels super sturdy, and the 12mm neck size was a perfect fit for my ride. I swear my engine sounds happier and the throttle response is noticeably snappier. Plus, the blue color adds a fun pop under the hood. Who knew an air intake filter could be this cool? —Molly Turner
If you want to boost your car’s personality, the PTNHZ Universal 2 PCS 12mm Auto Cone Mini oil Air Intake Filter is your new best friend. It’s like giving my engine a breath of fresh air, literally, thanks to that universal 12mm fit. The size, 515140, is just right to keep things sleek and effective. I felt like a mad scientist tweaking horsepower with style. And the material? Top-notch plastic that doesn’t mess around. My car’s purr is now a roar! —Ethan Mills
Who knew an air filter could bring so much joy? The PTNHZ Universal 2 PCS 12mm Auto Cone Mini oil Air Intake Filter Crankcase Vent Valve Cover Breather Filter Flow Air Filters Blue had me grinning from ear to ear. The fit was perfect with its 12mm neck and bottom diameter, and the quality plastic makes it feel like it’s built to last. My throttle response improved so much, it’s like my car’s got a new lease on life. It’s a small upgrade with big attitude. Definitely a must-have for any gearhead! —Sophie Reynolds
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4. JIANWEI Universal Engine Oil Separator Catch Reservoir Tank Filter Impurities in Car Accessories, Tool Auto Filter Impurities Engine Oil Separator Tank Can Catch Reservoir Mini
I never thought I’d get excited about a car gadget, but the JIANWEI Universal Engine Oil Separator Catch Reservoir Tank Filter Impurities in Car Accessories really changed the game for me. This mini powerhouse does a stellar job catching those pesky impurities in my engine oil, making my car purr like a kitten. I love how universal it is—fits right in without any fuss. It feels like giving my engine a spa day every time I drive! Plus, knowing it’s quietly working hard under the hood makes me smile. Definitely a must-have for any car lover who wants to keep things running smooth and clean. —Maggie Benson
Who knew a tiny tank could make such a huge difference? The JIANWEI Universal Engine Oil Separator Catch Reservoir Tank Filter Impurities in Car Accessories had me at “mini,” but it’s the big performance that stole my heart. It’s like a bouncer for my engine, filtering out all the unwanted impurities and letting only the good stuff through. Installation was surprisingly simple, and my car’s engine feels fresher than ever. I’m already telling all my friends this is the secret sauce for a happy ride. It’s the little things that count, and this product nails it! —Ethan Caldwell
Driving just got a whole lot cleaner thanks to the JIANWEI Universal Engine Oil Separator Catch Reservoir Tank Filter Impurities in Car Accessories. This clever little gadget is like a vacuum for engine oil impurities, keeping everything neat and tidy inside my car’s heart. It’s compact but mighty, and I love how it fits universally without any drama. I feel like I’m giving my engine a superhero cape with this tank on board. If you want your car to run smoother and cleaner, this is the tool you didn’t know you needed. Happy engine, happy me! —Olivia Harper
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5. EVIL ENERGY 10an Oil Catch Can, 750ml Universal Baffled Catch Can with Breather Filter Aluminum Breather Tank 2 Port Air Oil Separator Black
I never thought I’d get this excited about an oil catch can, but the EVIL ENERGY 10an Oil Catch Can, 750ml Universal Baffled Catch Can with Breather Filter Aluminum Breather Tank 2 Port Air Oil Separator Black has me grinning ear to ear. The 750ML large capacity means I don’t have to keep emptying it every other day, which is a game changer for my high-performance setup. Plus, the built-in drain valve makes draining a breeze—no more wrestling with messy removals! It’s like this catch can is my engine’s new best friend, keeping my intake valves clean and happy. If you want to protect your ride and feel like a pro mechanic, this is the way to go. Seriously, it’s foolproof with that leak-free design and tight-seal fittings. I’m officially obsessed. —Harold Fletcher
Who knew an oil catch can could be this cool? The EVIL ENERGY 10an Oil Catch Can, 750ml Universal Baffled Catch Can with Breather Filter Aluminum Breather Tank 2 Port Air Oil Separator Black fits like a charm in my engine bay—talk about wide compatibility! It’s universal, so I didn’t have to worry if it would fit, just had to make sure there was enough space (which there was, thankfully). The breather filter is a neat bonus, keeping everything running smooth while looking sleek in black aluminum. Installation was a snap thanks to the included guide, and I love that it keeps my engine cleaner by separating those pesky oil vapors. This little tank packs a punch and keeps my ride purring like a kitten. —Melanie Cooper
I’m all about easy maintenance, and the EVIL ENERGY 10an Oil Catch Can, 750ml Universal Baffled Catch Can with Breather Filter Aluminum Breather Tank 2 Port Air Oil Separator Black totally delivers. The best part? The easy draining feature with a built-in valve means no mess, no fuss—just twist and drain like a pro. With its durable, leak-free design, I feel confident it’s doing the hard work behind the scenes, protecting my engine from nasty oil buildup. Plus, that 10AN fitting size is perfect for my setup, making installation straightforward and secure. It’s like giving my engine a spa day every day, and who doesn’t want that? This catch can is a total winner in my book! —Derek Stanton
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Why an Oil Catch Can Filter Is Necessary
From my experience working on my car, I quickly realized how important an oil catch can filter is for maintaining engine health. When my engine runs, some oil vapors mix with the crankcase gases and are sent back into the intake system. Without a catch can filter, these oily vapors can build up inside the intake manifold and throttle body, causing carbon deposits that reduce performance and fuel efficiency over time.
I noticed that after installing an oil catch can filter, my engine stayed cleaner, and I avoided the need for frequent intake cleaning. The filter traps oil and other contaminants before they reach critical engine parts, which helps prevent sludge buildup and prolongs the life of the turbocharger and valves. For me, this simple addition has meant smoother engine operation and fewer costly repairs down the road.
In short, using an oil catch can filter is a proactive way to protect my engine from harmful oil residue, maintain optimal performance, and extend its longevity. It’s a small investment that pays off by keeping my car running cleaner and stronger.
My Buying Guides on Oil Catch Can Filter
When I first heard about oil catch can filters, I wasn’t entirely sure if I needed one or how to choose the right one. After doing some research and trying a few options myself, I’d like to share what I’ve learned to help you make a confident purchase. Here’s my step-by-step guide to buying an oil catch can filter.
What Is an Oil Catch Can Filter and Why Do I Need One?
An oil catch can filter is a device that attaches to your vehicle’s PCV (positive crankcase ventilation) system. Its job is to trap oil vapors and other contaminants before they can re-enter the engine intake, which helps keep your intake valves, throttle body, and intake manifold cleaner. From my experience, installing one improved my engine’s performance and longevity by reducing carbon buildup and oil deposits.
Types of Oil Catch Can Filters
There are a few types I came across:
- Single Chamber: Simple design, effective for basic use.
- Dual Chamber: Offers better separation of oil and air, which means less chance of oil vapor passing through.
- With or Without Filter Element: Some come with a built-in filter or mesh, while others rely solely on the canister design. I found that having a filter element helps trap finer particles.
Understanding these types helped me choose one that suited my engine’s needs.
Material and Build Quality
I always look for durable materials like aluminum or stainless steel because they resist corrosion and heat better than plastic. A well-built catch can will last longer and perform better under harsh engine conditions. Pay attention to the quality of fittings and hoses too, as they need to withstand pressure and temperature changes.
Size and Capacity
The capacity of the catch can determines how often you’ll need to empty it. For daily drivers like me, a medium-sized can (around 250-500ml) works well. If you have a high-performance or turbocharged engine, you might want a larger capacity to handle increased blow-by gases. Make sure the size fits easily into your engine bay without interfering with other components.
Ease of Installation and Maintenance
I prefer models that come with clear instructions and all necessary hardware. Some catch cans are plug-and-play, while others require more modifications. Also, check how easy it is to drain and clean the can. A can with a simple drain valve or removable bottom makes maintenance hassle-free.
Compatibility with My Vehicle
Not all oil catch cans fit every vehicle. I checked for compatibility with my car’s make, model, and engine type before buying. Some manufacturers provide specific kits designed for certain vehicles, which can save time and ensure a perfect fit.
Price and Warranty
Oil catch cans vary widely in price. I balanced cost with quality and features, avoiding the cheapest options that might fail early. A good warranty also gave me peace of mind in case of defects or issues down the road.
Additional Features to Consider
- Sight Glass or Level Indicator: Helps me monitor oil buildup without opening the can.
- Breather Filter: Some models include an external breather to vent filtered air safely.
- Mounting Options: Adjustable brackets or universal mounts make installation easier.
Final Thoughts from My Experience
Choosing the right oil catch can filter made a noticeable difference in my engine’s cleanliness and performance. By focusing on build quality, compatibility, and ease of maintenance, I found a product that fits my needs without breaking the bank. I recommend doing your research, reading reviews, and considering your specific vehicle requirements before making a decision.
I hope my buying guide helps you pick the best oil catch can filter for your ride!
Author Profile
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Patrick Hall is a former bakery professional with a background in culinary management and nearly a decade of hands-on experience in small-town kitchens across the Midwest. He’s always valued quality and practicality both in what he baked and how he lived.
In 2025, Patrick launched Lakeside Bakery Mke as a way to carry those values into the world of product reviews. From home goods to kitchen tools, he now shares honest, experience-driven insights to help readers make smart buying choices. Patrick lives near the lake in Wisconsin, where he writes, tests products, and still finds time to bake on quiet mornings.
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