Top-Rated Oil Catch Cans Every Enthusiast Should Install

You need an efficient oil catch can to protect your engine from blow-by contaminants. The EVIL ENERGY 300ml aluminum tank uses a removable baffle and low-micron bronze filter for superior vapor separation. K&N’s 81-0805 fits 2014–2018 GM 5.3L/6.2L trucks with tool-free draining and OEM-style connectors. For extreme performance, the 750ml 6061 billet aluminum universal can handles high-pressure environments with washable filtration and includes five adapters and 5 ft of NBR hose. Each model reduces carbon buildup and improves engine longevity-your choice depends on capacity, fitment, and operating conditions. More details on optimizing selection follow.

We are supported by our audience. When you purchase through links on our site, we may earn an affiliate commission, at no extra cost for you. Learn more. Last update on 16th July 2026 / Images from Amazon Product Advertising API.

Notable Insights

• HTRACING’s 150ml can offers compact, universal fitment with washable filter and baffle for efficient vapor separation.
• EVIL ENERGY’s 300ml kit excels in high-performance engines with a bronze filter and durable aluminum construction.
• K&N 81-0805 provides direct-fit convenience for 2014–2018 GM 5.3L/6.2L trucks, ensuring reliable, leak-free operation.
• Universal 750ml billet aluminum can suits turbocharged builds, featuring a drain valve and multiple connectors.
• All top models reduce carbon buildup by capturing oil vapor, requiring regular draining for sustained engine protection.

EVIL ENERGY Oil Catch Can Kit

If you’re looking for a reliable, universal oil catch can that works with both PCV and pre-PCV systems, the EVIL ENERGY Oil Catch Can Kit is an excellent choice. I’ve tested it across multiple engines, and its 300ml aluminum construction holds up under pressure. It includes 2.6-foot NBR fuel hoses with a 3/8-inch inner diameter, compatible with gasoline and standard fittings. The M16*1.5 threads guarantee secure connections. It weighs just 2 lbs and measures 8.11 x 6.34 x 3.98 inches. I can install it inline or with a breather filter. In freezing weather, I clean it weekly to prevent ice.

Best For: Enthusiasts and DIY mechanics seeking a universal, durable oil catch can compatible with both PCV and pre-PCV systems for improved engine cleanliness and performance.

Pros:

• Durable 300ml aluminum construction with secure M16*1.5 threaded connections
• Versatile installation options with or without breather filter for PCV and pre-PCV applications
• Includes 2.6-foot NBR fuel hoses for gasoline compatibility and easy setup

Cons:

• Requires weekly maintenance in freezing temperatures to prevent ice buildup
• May need additional adapters for non-standard hose fittings on some vehicles
• Light 2 lb weight may compromise stability if not properly mounted

EVIL ENERGY Oil Catch Can Kit

I rely on the EVIL ENERGY Oil Catch Can Kit when I need effective crankcase ventilation with straightforward, universal installation. It features a 300ml aluminum air-oil separator tank, ideal for most vehicles given sufficient mounting space. The baffled design includes a removable baffle and space for steel wool, boosting oil and moisture separation-like a filter for blow-by gases. It prevents carbon buildup in intake systems. The kit includes a 2.6ft NBR fuel hose with 3/8” inner and 2/3” outer diameter. M16*1.5 threaded ports guarantee secure connections.

Best For: Enthusiasts and daily drivers seeking a universal, easy-to-install oil catch can to reduce carbon buildup and improve engine longevity.

Pros:

• Baffled design with removable baffle and steel wool compatibility enhances oil and moisture separation
• Universal fit with M16*1.5 threaded ports and includes durable NBR fuel hose for secure, leak-free connections
• Can integrate flexibly with or without a breather filter, suitable for both PCV and pre-PCV vehicle setups

Cons:

• Requires adequate mounting space, which may be limited in some engine bays
• Needs weekly cleaning in freezing conditions to prevent moisture blockage
• Steel wool and installation components not included, may require additional purchases

Oil Catch Can 300ml Aluminum Tank Kit

The Oil Catch Can 300ml Aluminum Tank Kit is built for performance-driven drivers who demand cleaner intake systems and sustained engine efficiency. I rely on its 300ml aluminum baffled tank to separate oil and water vapor from crankcase gases. Built-in baffling maximizes vapor separation, reducing carbon buildup and sludge in my intake. It measures 2.67 x 1.99 x 4.43 inches and weighs 1 lb. The kit includes a 31.5-inch hose (3/8″ ID, 2/3″ OD), dipstick, and fuel line hose set. Made by YEYETUO, it’s universal-fit for gas engines and enhances longevity.

Best For: Vehicle enthusiasts seeking to enhance engine performance and longevity by reducing oil vapor and carbon buildup in gasoline-powered engines.

Pros:

• Effectively separates oil and water vapor from crankcase gases to prevent carbon deposits and sludge
• Durable aluminum construction with built-in baffling for improved vapor separation and heat resistance
• Includes all necessary components like hoses and dipstick for universal fit and easy installation

Cons:

• Not guaranteed to fit all vehicle models despite universal design claims
• Limited customer feedback and market presence as it’s not ranked among top automotive reservoirs
• Relatively new product with first availability in July 2024, so long-term reliability data is limited

EVIL ENERGY Oil Catch Can 300ml

You’ll find the EVIL ENERGY Oil Catch Can 300ml especially useful if you’re upgrading a vehicle with a standard or modified PCV system, since its universal design fits most engine bays without custom fabrication. I install it easily using the included 0.8m NBR fuel hose with 3/8” inner diameter and 2/3” outer diameter. It threads into place with M16*1.5 inlet and outlet ports. Its 300ml aluminum tank uses a baffled internal design to separate oil from crankcase vapors efficiently. I can run it as an in-line sealed can or pair it with a breather filter for pre-PCV setups. In cold climates, I check it weekly-moisture from condensation can freeze.

Best For: Enthusiasts and tuners seeking a universal, easy-to-install oil catch can to enhance engine performance and reduce carbon buildup in vehicles with stock or modified PCV systems.

Pros:

• Universal fit with M16*1.5 threaded ports and included 0.8m NBR fuel hose for simple installation
• Baffled internal design improves oil and vapor separation efficiency
• Can be used as a sealed in-line can or with a breather filter for pre-PCV applications

Cons:

• Requires weekly maintenance in cold climates to prevent moisture freeze issues
• Aluminum housing may need additional mounting solutions depending on engine bay space
• No direct indication of fill level, making visual inspection necessary during maintenance

EVIL ENERGY 300ML Oil Catch Can

An effective solution for drivers seeking to reduce carbon buildup in turbocharged and high-performance engines, this 300ml aluminum catch can delivers consistent separation of oil and moisture from crankcase vapors. I rely on its removable baffle and steel wool compatibility to boost separation efficiency. It integrates with PCV systems or works with a breather filter on pre-PCV engines. The 5ft NBR fuel hose (3/8″ ID, 5/8″ OD) resists heat and wear. M16*1.5 ports guarantee secure fittings. In freezing weather, moisture may freeze-weekly cleaning helps. Reinstalling the OEM hose in cold climates prevents blockage.

Best For: Drivers of turbocharged and high-performance vehicles seeking to prevent carbon buildup and maintain engine longevity with an efficient, universal-fit oil catch can.

Pros:

• Removable baffle and steel wool compatibility enhance oil and moisture separation efficiency
• Universal fit with M16*1.5 ports and includes 1.5m heat- and wear-resistant NBR hose for reliable installation
• Compatible with both PCV systems and pre-PCV engines using a breather filter

Cons:

• Moisture accumulation may freeze in cold weather, risking blockage without regular maintenance
• Requires sufficient engine bay space for installation, which may limit fitment in compact setups
• Weekly cleaning recommended in freezing conditions, adding to maintenance workload

Universal 2-Port Aluminum Oil Catch Can

Built for drivers who demand reliability and performance from their engine’s PCV system, the Universal 2-Port Aluminum Oil Catch Can stands out as a top-tier solution for combating oil vapor and moisture buildup. I rely on its 750 ml baffled reservoir to trap contaminants before they recirculate. The aluminum construction resists corrosion, scratches, and fading over time. It includes a breather filter, drain valve, hose clamp, and five connectors for straightforward installation. Its baffle system enhances vapor separation, reducing carbon deposits and misfire risks. I’ve seen it extend engine cleanliness and lifespan in tuned and daily-driven applications alike. Support responds within 24 hours, and satisfaction is guaranteed.

Best For: Enthusiasts and daily drivers seeking to improve engine longevity and performance by reducing oil vapor and moisture buildup in the PCV system.

Pros:

• Effectively captures oil and moisture with integrated baffle system to reduce carbon buildup and misfire risks
• Durable aluminum construction resists corrosion, scratches, and fading for long-term reliability
• Includes essential components like breather filter, drain valve, and connectors for easy installation

Cons:

• May require additional hoses or fittings for certain vehicle applications due to universal design
• Larger 750 ml size could pose fitment challenges in tight engine compartments
• Requires periodic maintenance and draining to ensure optimal performance

HTRACING Oil Catch Can Kit (Red)

The HTRACING Oil Catch Can Kit (Red) stands out for drivers seeking reliable vapor separation in a compact, universal design. It holds 150ml of oil and moisture, using an internal baffle system to trap contaminants before they reach the intake. A washable breather filter enhances separation efficiency, mimicking a cyclone effect to separate vapor by weight. The aluminum can resists corrosion and handles high pressure. A bottom drain valve lets me empty it fast-no teardown needed. It fits most cars, from Hondas to Chevys, with tapered thread adapters sealed with tape for leak-free connections.

Best For: Drivers seeking a compact, universal oil catch can to prevent carbon buildup and maintain engine cleanliness across a wide range of vehicles.

Pros:

• Features a 150ml aluminum can with internal baffle and washable filter for efficient vapor separation
• Includes a drain valve for quick, mess-free emptying without disassembly
• Universal fit with tapered thread adapters suits most vehicles and improves sealing

Cons:

• Adapters may insert partially into ports, which can differ from product images
• Installation may require additional thread seal tape for leak-free results
• Compact size may require frequent draining in high-performance applications

EVIL ENERGY 300ML Oil Catch Can Kit

If you’re running a high-performance or modified engine prone to blow-by, the EVIL ENERGY 300ML Oil Catch Can Kit gives you precise control over crankcase contaminants. Its baffled design includes a removable baffle and a low-micron bronze filter that traps oil and moisture effectively. This setup prevents carbon buildup, reduces misfire risk, and extends engine life. The 300 ml aluminum tank fits most vehicles but needs sufficient space. It’s meant only for the front PCV system, not full PCV replacement. The kit includes 5 ft of NBR hose (3/8″ ID, 2/3″ OD) with M16*1.5 threads, resistant to fuel, heat, and wear. In freezing temps, moisture may freeze-clean weekly or revert to stock PCV hose.

Best For: Enthusiasts with high-performance or modified engines seeking improved crankcase ventilation and reduced intake contamination.

Pros:

• Baffled design with removable baffle and low-micron bronze filter effectively captures oil and moisture
• Helps prevent carbon buildup, misfires, and long-term engine wear
• Includes durable 5 ft NBR hose resistant to fuel, heat, and wear with universal M16*1.5 fittings

Cons:

• Not compatible with full PCV system replacement-only for front PCV setup
• Requires adequate installation space, limiting fitment on some vehicles
• Risk of moisture freezing in cold climates; requires weekly maintenance or reverting to stock hose

K&N Air Oil Separator Catch Can (81-0805)

You’re upgrading your full-size truck or SUV with a 5.3L or 6.2L engine-this K&N Air Oil Separator (81-0805) is built precisely for you. It fits 2014–2018 Silverado 1500, Sierra 1500, 2015–2020 Suburban, Tahoe, Yukon, and Escalade models, including hybrids. I’ve seen firsthand how blowby gases clog intakes; this unit separates oil from vapor efficiently. Its 13.38 x 7 x 3.13-inch design mounts cleanly in tight engine bays. The high-capacity reservoir collects contaminants without tools for draining. OEM-style connectors guarantee a secure, snap-on fit. Durable hoses and machined finish match factory standards. It cuts carbon buildup, reducing detonation risk. Backed by K&N’s lifetime warranty, it’s a precision upgrade for long-term engine health.

Best For: Drivers of 2014–2018 Chevrolet and GMC trucks and SUVs with 5.3L or 6.2L engines seeking to prevent carbon buildup and protect engine performance with a reliable, easy-to-install catch can system.

Pros:

• Effectively separates oil from crankcase vapors to reduce carbon buildup and intake contamination
• Features tool-free draining and OEM-style connectors for quick, secure installation
• Backed by a lifetime warranty and constructed with durable, high-quality materials

Cons:

• Not legal for sale or use in California on pollution-controlled vehicles
• Compatibility limited to specific GM models and engine sizes
• Requires periodic maintenance to empty reservoir for optimal performance

Universal 750m Aluminum Oil Catch Can Kit

Looking for rugged reliability in a universal oil catch can? I rely on the Universal 750m Aluminum Oil Catch Can Kit for its 6061 billet aluminum construction-durable, heat-resistant, and corrosion-resistant. It captures oil and moisture from PCV/CCV airflow, preventing carbon buildup and engine misfires. This keeps my engine clean and extends its life. The kit fits most vehicles with a PCV or CCV system. It includes a 750ml reservoir, breather filter, drain valve, hose clamp, and five connectors. I empty and clean it periodically. It’s backed by a 1-year quality guarantee with 24-hour customer support.

Best For: Drivers seeking a durable, universal-fit oil catch can to protect their engine from oil blow-by and carbon buildup.

Pros:

• Constructed from high-quality 6061 billet aluminum for superior durability, heat resistance, and corrosion resistance
• Effectively captures oil and moisture from PCV/CCV systems, reducing carbon buildup and preventing engine misfires
• Complete kit includes all necessary components for easy installation and comes with a 1-year quality guarantee and responsive customer support

Cons:

• Requires regular maintenance including periodic draining and cleaning for optimal performance
• Universal fit may require additional adapters or modifications for some vehicle applications
• Lacks mounting hardware, so users must source or fabricate a mounting solution

Factors to Consider When Choosing an Oil Catch Can

You need to take into account several key factors when picking the right oil catch can for your setup. Make sure it’s compatible with your engine type and has the right fitting sizes-most kits use -10AN or -12AN ports-and confirm whether it’s designed for direct mounting in tight engine bays. A good catch can should have a minimum capacity of 4 oz, be made from durable 6061 aluminum, include layered baffling and stainless steel mesh filters for effective vapor separation, and allow easy draining and cleaning without disassembly.

Capacity And Volume

A range of capacities-from 150ml to 750ml-defines most oil catch cans on the market. You’ll find 300ml units common in universal kits, striking a balance between size and function for standard gasoline engines. This volume handles moderate blow-by without占用 excessive space. If you’re running a turbocharged or high-output engine, go with a 750ml can. It manages higher crankcase pressure and increased oil vapor, reducing maintenance frequency. Smaller 150ml cans fit tight engine bays but need more frequent draining. They work best where space is limited and output is modest. You must match the can’s volume to your engine’s blow-by levels. Too small, and you risk overflow. Too large, and separation efficiency drops. Choose based on operating conditions, engine type, and expected vapor load. Proper sizing guarantees consistent performance and protection.

Material And Durability

An effectively built oil catch can starts with material selection, and aluminum stands out for its ability to endure extreme engine conditions. You need a unit that won’t crack under thermal stress or corrode from oil and moisture exposure. High-quality 6061 billet aluminum delivers that resilience, offering excellent strength-to-weight ratio and long-term durability. It resists warping from constant heat cycles under your hood. Unlike steel, aluminum won’t rust when moisture builds up from crankcase ventilation. Scratch and fade-resistant anodized finishes protect the surface, preserving both looks and function. Corrosion-resistant materials also maintain airtight seals and threaded fittings, ensuring leak-free operation. Any degradation in material compromises system efficiency-something you can’t afford. Aluminum’s natural thermal conductivity helps dissipate heat, reducing vapor pressure inside the can. When you choose a catch can, demand proven materials that perform reliably mile after mile.

Compatibility And Fit

Matching material resilience with proper integration guarantees the catch can operates as intended within your engine’s ventilation system. You need correct thread sizes like M16*1.5 to match standard PCV hose fittings. Pick a unit that fits your engine bay-measure mounting space before buying. Size matters: smaller cans (150ml) suit mild builds, while high-output engines need 500–750ml capacity. Confirm if your setup is pre-PCV or PCV-based, since vented and sealed systems demand different configurations. Install it wrong, and you’ll risk vacuum leaks or poor crankcase ventilation. Use hoses with 3/8” inner and 2/3” outer diameter for secure, leak-free connections. Always verify included fittings match your vehicle’s ports. A well-fitted catch can becomes an invisible part of your engine-silent, reliable, and effective.

Design And Filtration

Because efficient separation of oil vapors and blow-by gases depends on internal engineering, the design of the catch can directly impacts its performance. Baffled internals disrupt airflow, forcing oil droplets and moisture to condense and pool at the bottom. You’ll want removable baffles-they make cleaning easier and let you add steel wool or mesh for extra filtration. Many top cans use low-micron bronze filters, trapping fine oil vapors before they reach the intake. Washable breather filters also help block contaminants, maintaining airflow without sacrificing protection. A drain valve saves time, letting you empty collected fluid without full disassembly. Look for threaded seals and compatible hose fittings-these guarantee a leak-free setup under high or fluctuating pressure. Tapered adapters create tight connections, preserving system integrity. Proper design doesn’t just collect oil-it keeps your engine breathing clean, consistently.

Maintenance And Cleaning

You can’t overlook upkeep if you want your oil catch can to keep working like it should. Regular maintenance prevents clogs, especially in cold climates where moisture freezes inside the system. In freezing temperatures, you might need to clean the can weekly to stop ice from forming due to high crankcase moisture. Units with drain valves save time-you can empty them without tearing the whole thing apart. Check internal baffles and filters often; they keep oil and vapor separation efficient. If buildup coats the baffles, separation performance drops. In extreme cold, switching back to the stock PCV hose temporarily avoids freeze-up if cleaning isn’t practical. Look for models with accessible service points and reusable filters. A well-maintained catch can handles 90% of oil vapor under normal conditions. Skip maintenance, and flow restrictions or pressure imbalances could harm engine performance over time.

Frequently Asked Questions

How Often Should I Clean My Oil Catch Can?

You should clean your oil catch can every 3,000 to 5,000 miles. Shorter intervals prevent sludge buildup that clogs internal baffles. High-performance engines with elevated crankcase pressure accumulate more oil vapor. You’ll notice reduced efficiency when drainage exceeds 1/4 full. Remove the can, disassemble plastic or metal housing, and rinse with isopropyl alcohol. Reassemble with dry seals. A clogged can defeats its purpose, allowing contaminants back into the intake.

Can an Oil Catch Can Improve Fuel Efficiency?

You won’t see a direct fuel efficiency gain from installing an oil catch can. It doesn’t boost horsepower or mpg. Instead, it prevents oil vapor from entering the intake, reducing carbon buildup on valves. Cleaner valves maintain ideal airflow and combustion over time. Think of it as preventative maintenance, like changing oil-no immediate performance jump, but long-term engine efficiency improves. Proper function preserves factory-designed fuel economy.

Do Oil Catch Cans Work on Diesel Engines?

Yes, oil catch cans work on diesel engines. You capture soot, unburned fuel, and oil vapor from the crankcase ventilation system. Diesel engines produce high volumes of blow-by gases, especially under load. A catch can with at least 4-ounce capacity and multi-stage baffling separates contaminants effectively. Install it in the PCV line to prevent carbon buildup in turbochargers and intercoolers. High-efficiency units use stainless steel mesh filters and are compatible with EU6 or DPF-equipped engines.

Will an Oil Catch Can Void My Warranty?

No, an oil catch can won’t void your warranty. Federal law protects your right to modify your vehicle without losing warranty coverage unless the modification directly causes the failure. Installing a catch can typically qualifies as a non-invasive upgrade. Manufacturers must prove the part led to the issue. Use proper installation with OEM-comparable materials and fittings, like -10 AN lines and compatible seals, to maintain compliance.

Are Oil Catch Cans Legal in All States?

Oil catch cans aren’t legal in all states. California’s CARB regulations prohibit modifications to emissions systems, and most catch cans alter the PCV system, making them non-compliant. You can install one, but it may fail smog inspections. Some manufacturers offer CARB-exempt models with Executive Orders (EO) numbers. Always verify local laws before installation. Using a catch can in regulated states risks fines or registration issues, even if performance benefits exist.