Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
If you own a 2018-2022 Honda Accord, managing crankcase vapors can protect the intake tract and preserve performance over time. An oil catch can captures oil and moisture before they reach the intake and intake valves, helping reduce carbon buildup and throttle-body contamination. This guide covers six shortlisted catch can solutions that fit the Accord's engine bay and mounting points, and evaluates them on build quality, filtration method, and ease of installation. Read on to understand which features matter for your Accord and how each shortlisted option scored on practical criteria.
Looking for other parts? See all Honda Accord parts & accessories.
Top Picks at a Glance
| Best Quality Built to a higher standard if you want something more solid | Mishimoto Baffled Oil Catch Can Kit for 2018+ Honda Accord 2.0T |  |
| Best Value The sweet spot between price and what you get | Mishimoto Baffled Oil Catch Can Kit for Honda Accord 1.5T (2018+) |  |
| Best Budget The cheapest option that still gets the job done reliably | BDFHYK 300ml Universal Baffled Oil Catch Can Kit (Aluminum) |  |
| Highest Rated A top-rated pick with lots of positive feedback | EVIL ENERGY Aluminum Oil Catch Can Kit for Honda Accord 1.5L (2018–2022), 130ml |  |
| Most Popular A crowd favorite that many people choose with confidence | EVIL ENERGY Baffled 300ml Universal Oil Catch Can Kit |  |
| Best Seller A high-volume bestseller chosen again and again | EVIL ENERGY 300ml Aluminum Baffled Oil Catch Can Kit with Breather Filter |  |
1. Mishimoto Baffled Oil Catch Can Kit for 2018+ Honda Accord 2.0T
| Compatible vehicle | 2018+ Honda Accord 2.0T |
|---|---|
| Material | 6061 Aluminum |
| Filter | 50-micron bronze filter |
| Included components | Hoses with check valves, mounting bracket, fittings, clamps |
| Fit type | Vehicle Specific Fit |
This Mishimoto kit installs inline with the Accord 2.0T PCV system to trap crankcase oil and fuel vapors before they reach the intake. It uses a compact, billet 6061 aluminum can with Viton O-rings and a baffled 50-micron bronze filter and internal air diverter to improve separation. The kit is sold as a direct-fit package with pre-molded hoses, integrated check valves, clamps, and an application-specific mounting bracket to locate the can in an accessible spot in the engine bay. In practice the can reduces oil deposition and helps limit top-end carbon buildup, which can preserve octane and maintain performance over time. The can is fully serviceable so the filter and sump can be cleaned without replacing the unit. Expect a straightforward install in under an hour for someone comfortable with basic engine-bay work, though periodic emptying and maintenance are required. This is a performance-focused add-on rather than a cure-all for every maintenance issue, but it is a practical preventive upgrade for turbocharged Accord owners focused on long-term engine health and consistent performance.
Best for: Drivers who prioritize preserving engine top-end and consistent performance on a 2018–2022 Accord 2.0T and want a reliable, direct-fit preventive upgrade with easy servicing.
Less Ideal for: Buyers looking for a maintenance-free solution or who prefer larger-capacity dual-can systems for extended track use should consider alternatives.
- Direct-fit kit with vehicle-specific hoses and mounting bracket for easier installation
- Billet 6061 aluminum construction with Viton O-rings for durability and leak resistance
- Baffled design with 50-micron bronze filter and air diverter improves oil separation
- Fully serviceable can and replaceable/cleanable filter for long-term use
- Small 3 oz. sump means more frequent draining compared with larger dual-can setups
Verdict: A compact, factory-quality direct-fit catch can designed to reduce intake oil buildup and protect performance on the 2018+ Accord 2.0T.
2. Mishimoto Baffled Oil Catch Can Kit for Honda Accord 1.5T (2018+)
| Compatible Vehicle | Honda Accord 1.5T 2018+ |
|---|---|
| Material Type | Aluminum |
| Filter | 50-micron bronze baffled |
| Capacity | 3 ounces |
| Included Components | Bracket, 2 preformed hoses with check valves, fittings, clamps |
This Mishimoto kit installs in the Accord’s PCV plumbing to trap oil and fuel vapors before they re-enter the intake, helping reduce carbon buildup and preserve engine performance. The kit is a direct-fit solution that includes a 3 oz. billet 6061 aluminum can with Viton O-rings, a 50-micron bronze baffled filter, an internal air diverter to boost separation, two preformed hoses with integrated check valves, mounting bracket and fittings for an under-an-hour install. In practice the can gives a serviceable, tight-fitting option that collects condensates and lets you drain them during routine maintenance rather than letting them coat intake components. It is a factory-style, durable component that should appeal to owners who want a clean, long-term preventive upgrade. Limitations to note are the small 3 oz capacity, which requires frequent checks on higher-mileage or boosted cars, and several reviewers reported the intake hose can be short on some later-model 2018+ cars which may require a longer hose to complete the install.
Best for: Buyers who prioritize a durable, maintenance-focused preventative upgrade to reduce intake oil contamination and extend engine life with a direct-fit, serviceable solution.
Less Ideal for: Drivers who want a large-capacity catch can for infrequent maintenance or those unwilling to make minor hose adjustments during installation should consider other options.
- Direct-fit, vehicle-specific kit with application bracket for straightforward installation
- Billet 6061 aluminum can with Viton O-rings for corrosion resistance and easy servicing
- Baffled 50-micron bronze filter and internal air diverter improve oil separation efficiency
- Includes preformed hoses, fittings, and clamps so no extra parts are typically required
- Small 3-ounce capacity requires more frequent draining under heavy use or long trips
- Some users reported the supplied hose may be too short on later model years and could need a replacement hose
Verdict: A durable, direct-fit baffled catch can that offers factory-style protection against blow-by for 2018–2022 Accord 1.5T owners who want a serviceable, preventive upgrade.
3. BDFHYK 300ml Universal Baffled Oil Catch Can Kit (Aluminum)
| Capacity | 300 ml |
|---|---|
| Hose Length | 1.5 m |
| Material Type | T6061 aluminum |
| Thread Size | M16×1.5 |
| Fit Type | Universal |
This BDFHYK 300 ml catch can is a simple, budget-focused way to reduce oil and moisture entering the intake via the PCV system. It installs inline on the crankcase vent using the supplied NBR hose and bracket and uses a removable baffled core so condensed oil droplets are separated and collect in the lower chamber. For daily-driven Accords the 300 ml capacity and included 1.5 m hose mean routine draining every few thousand miles is expected but that is normal for a small can. The machined aluminum body resists corrosion and the threaded inlet/outlet and removable baffle make service straightforward. It does not require ECU tuning and is intended as a physical vapor trap rather than an active filtration system. Keep in mind the small reservoir will need more frequent checks on turbocharged or high-mileage engines and freezing conditions can increase moisture buildup requiring more frequent maintenance.
Best for: A practical buyer looking for an affordable, no-frills oil catch can to limit intake contamination on a daily-driven 2018–2022 Accord without modifying engine management.
Less Ideal for: Drivers who want a large-capacity or vehicle-specific, plug-and-play unit engineered for high-mileage, high-boost, or track use should consider larger or model-tailored catch cans instead.
- Universal fit approach works with factory PCV plumbing on most gasoline engines
- Lightweight T6061 aluminum construction resists corrosion and looks factory-quality
- Baffled, removable core improves oil separation and is easy to service
- Includes 1.5 m NBR hose and mounting bracket for a complete basic installation
- 300 ml capacity requires periodic emptying during normal use and more often under heavy blow-by
Verdict: A low-cost, easy-to-install baffled aluminum catch can that provides basic protection for 2018–2022 Honda Accord daily drivers who want to reduce crankcase vapors entering the intake.
4. EVIL ENERGY Aluminum Oil Catch Can Kit for Honda Accord 1.5L (2018–2022), 130ml
| Compatibility | 2018–2022 Honda Accord 1.5L |
|---|---|
| Reservoir capacity | 130ml |
| Filter | Fine mesh aluminum |
| Includes | Custom brackets, hoses, quick-connect fittings |
This EVIL ENERGY catch can is built specifically for the 2018–2022 Honda Accord 1.5L to trap blow-by oil and keep the intake tract cleaner. It uses a fine mesh aluminum filter and a 130ml reservoir to separate oil vapor from crankcase ventilation before it can coat the throttle body or intake valves. The kit arrives with custom mounting brackets, hoses, and quick-connect fittings so installation follows the engine layout and generally requires minimal modification. A rotating base and O-ring seal make draining easier and reduce the chance of leaks during maintenance. For reliability-focused owners, the vehicle-specific fitment and metal construction are practical: less fiddling at install and a more durable can than plastic alternatives. Note the maker recommends checking and cleaning the catch can every 800 to 1600 miles and that high-elevation use may trigger a pressure-sensor-related check engine light, so plan monitoring accordingly.
Best for: Buyers who prioritize long-term engine cleanliness and a straightforward, durable installation for their 2018–2022 Honda Accord 1.5L will appreciate this kit.
Less Ideal for: Drivers who want a large-capacity catch can for extended service intervals or who frequently drive at high elevations without addressing possible pressure-sensor alerts should consider other options.
- Vehicle-specific brackets and hoses reduce installation time and need for adapters
- Anodized aluminum body and fine mesh filter provide durable, corrosion-resistant separation
- 130ml reservoir with rotating drain base and O-ring seal simplifies emptying and reduces leaks
- Relatively small 130ml capacity requires regular checks and more frequent draining
Verdict: A factory-minded, vehicle-specific aluminum catch can that keeps intake components cleaner with durable construction and easy install for 2018–2022 Accord 1.5L owners.
5. EVIL ENERGY Baffled 300ml Universal Oil Catch Can Kit
| Capacity | 300 Milliliters |
|---|---|
| Fuel Type | Diesel |
| Fit Type | Universal |
| Hose ID | 3/8 inch |
| Inlet/Outlet Thread | M16×1.5 |
This EVIL ENERGY catch can is a compact, universal 300ml baffled separator intended to reduce oil and moisture recirculation from the crankcase into the intake. It installs in-line with PCV hoses or as a vent using the supplied NBR fuel hose, clamps, removable baffle, and stainless steel wool to coalesce oil particles. For routine use it sits out of the way in the engine bay and is emptied via a threaded cap when the dipstick level indicates collection. Practical benefits include durable machined aluminum construction, an included mounting bracket and basic hardware, and an internal baffling/steel wool combo that reviewers report captures visible oil and reduces intake contamination. Limitations to plan for are hose length and fitting sizes: the kit’s 3/8 inch hose and M16x1.5 threads may require additional hose or adapters to fit some engine layouts, and the bracket sometimes needs modification for neat mounting. In very cold climates the manufacturer notes moisture can freeze and recommends more frequent cleaning or temporarily reverting to the factory hose. For a risk-conscious buyer this offers strong social proof and solid value if you confirm routing and fitment before install.
Best for: Buyers who want a proven, budget-friendly catch can to reduce intake contamination on a daily-driven Accord and who value products backed by many positive owner experiences.
Less Ideal for: If you need a vehicle-specific plug-and-play kit with perfect hose lengths and fittings or a larger capacity for extended track use, this universal kit may require extra parts or a different model.
- Compact 300ml aluminum body that mounts in tight engine bays
- Baffled internals plus stainless steel wool to trap oil and moisture effectively
- Includes NBR hose and basic mounting hardware for a mostly complete install
- Solid machining and secure fittings reported by multiple users
- Included hose and fittings are sometimes the wrong size or too short for clean routing
- Bracket may require drilling or bending for a stable, serviceable mount
Verdict: A well-built, well-reviewed universal 300ml catch can that delivers measurable protection for Accord engines if you confirm hose routing and adapt fittings as needed.
6. EVIL ENERGY 300ml Aluminum Baffled Oil Catch Can Kit with Breather Filter
| Capacity | 300 Milliliters |
|---|---|
| Material Type | Aluminum |
| Fit Type | Universal |
| Hose ID | 3/8" |
| Thread | M16×1.5 |
This EVIL ENERGY catch can is a compact, universal-fit baffled separator designed to trap oil and moisture from crankcase ventilation before it reaches the intake. It installs inline with PCV hoses or as a vented breather on pre-PCV engines using the supplied 3/8" fuel-grade hose, mounting bracket, dipstick and stainless wool baffle material. In practice the 300ml capacity and internal baffle help condense and collect oil vapors, reducing intake valve gunk and visible oil return to the intake. The aluminum body and O-ring sealed fittings give a solid, serviceable feel and the kit includes parts most users need aside from extra hose for some layouts. Expect occasional maintenance to empty and clean the filter media, and note the manufacturer warns of moisture freeze risk in subfreezing climates. Fitment is universal so minor bracket or hose adjustments may be required to suit the 2018–2022 Honda Accord routing and clearances.
Best for: A cautious Accord owner who wants to reduce intake valve and intake tract oil contamination with a budget-friendly, serviceable catch can while keeping installation relatively simple.
Less Ideal for: Drivers looking for a vehicle-specific, bolt-in solution with guaranteed fitment and factory-style connectors should consider model-specific kits instead.
- Baffled design with stainless wool filter to improve oil separation and reduce intake contamination.
- Aluminum construction and O-ring sealed fittings for durable, serviceable assembly.
- Includes dipstick and mounting bracket for easier inspection and install.
- Supplied fuel-grade hose and clamps so most hardware is included.
- 300ml capacity is larger than many budget catch cans, reducing drain frequency.
- Universal fit means you may need to trim or fabricate the bracket or supply extra hose for some engine bays.
Verdict: A sturdy, budget-friendly baffled catch can that gives cautious Accord owners a practical way to cut oil vapors reaching the intake without a complex install.
Choosing the Right 2018-2022 Honda Accord Oil Catch Can: Key Factors to Consider
Build Material and Corrosion Resistance
Materials affect long-term durability in the Accord engine bay where heat and moisture are common. Aluminum and stainless steel resist corrosion better than painted or plated soft metals.
A robust housing reduces the chance of cracking or thread damage at drain fittings. Pay attention to joint quality, welds, and the finish on hoses and clamps. Corrosion resistance matters because a compromised can can lead to leaks or contamination returning to the intake.
Separation Method and Internal Design
Different catch cans separate oil using baffles, filter media, cyclonic action, or combinations of these methods. Effective internal design increases trapping of aerosols while allowing crankcase gases to vent freely.
For an Accord, a design that minimizes oil carryover at idle and during short trips is important because many daily-driven vehicles see frequent low-load operation. Look for units with multi-stage separation or proven baffling geometry to reduce the chance of oil reaching the intake.
Mounting Location and Fitment
Fitment for the 2018-2022 Accord requires consideration of available space, factory brackets, and accessory routing. The ideal catch can mounts securely without interfering with engine covers, wiring harnesses, or coolant lines.
Kits that include vehicle-specific brackets or adjustable mounts simplify installation and reduce the risk of rubbing or vibration. Confirm that hose lengths and orientations work with the Accord's PCV and intake vacuum points to avoid kinks or undue stress on fittings.
Hose and Fitting Quality
Hoses and fittings form the sealed pathway between the crankcase, catch can, and intake. Reinforced hoses and high-quality clamps prevent leaks and hose collapse under vacuum, which is especially important during sustained high RPM or boost events.
Bristol-style or AN-style fittings can offer better sealing than simple push-on barb fittings. Confirm that hose inner diameter matches the Accord's factory PCV plumbing or that adapters are provided in the kit.
Drain Method and Maintenance Interval
Catch cans collect condensate and oil that must be drained periodically. Drain options include twist drains, quick-release petcocks, or removable threaded plugs. The chosen method affects how easy and clean regular maintenance will be.
Consider the can's capacity relative to your driving habits. Short-trip urban driving often fills cans faster due to frequent cold starts. Easy-to-access drains and clear volume indicators reduce the chance of neglect and the risk of overflow back into the intake.
Warranty, Support, and Documentation
Clear installation instructions, available customer support, and a reasonable warranty provide confidence when modifying the engine bay. Documentation that includes torque specs, recommended routing, and photos specific to the 2018-2022 Accord can speed installation and reduce errors.
A vendor or manufacturer that responds to fitment questions and supplies replacement parts like clamps or fittings can extend the useful life of the installation without forcing a full replacement.
Why an Oil Catch Can Matters for the 2018-2022 Accord
The Accord's modern engines rely on precisely controlled intake and valve conditions. Over time, oil vapors carried by PCV flow can condense on intake tract surfaces and on intake valves, accelerating deposit formation. A catch can intercepts oily condensate before it reaches those surfaces, which can help preserve throttle response and idle quality in the long term.
Owners who do a mix of city and highway driving will often see more frequent accumulation because short cold runs do not vaporize condensate as effectively. Installing a catch can is a preventive measure that targets the root pathway where oil vapors re-enter the intake.
- Reduces oil and carbon deposits on intake components
- Helps maintain consistent idle and throttle response
- Can extend intervals between intake cleanings
Typical PCV Routing and Best Connection Points
On the 2018-2022 Accord, the PCV and crankcase ventilation hoses follow a defined routing that makes certain vacuum or intake ports more suitable as catch can connection points. Choosing the correct inlet and outlet ports preserves crankcase ventilation function while giving the catch can the best chance to separate oil.
When planning installation, identify a hose run with enough slack for the catch can and avoid introducing excessive hose length that could collect condensate. Aim for a connection that lets separated oil drain downward into the can rather than pooling in low sections of tubing.
- Prefer connection points with steady airflow and no abrupt bends
- Avoid routing near hot exhaust components
- Keep hoses short but relaxed to prevent stress
Maintenance Routine and How Often to Check the Can
How often you drain the catch can depends on driving pattern. For typical mixed driving, check the can every oil change or every 3,000 to 7,500 miles until you understand your car's fill rate. Short trips and stop-and-go traffic usually fill the can faster.
Establish a simple inspection routine: visually verify fluid level, purge the can when it reaches about half capacity, and inspect hoses and clamps for signs of degradation. Keep a small container and shop towel handy to avoid spills during draining.
- Inspect at each oil change until a baseline fill rate is known
- Drain before it reaches full to avoid overflow
- Check hose clamps and fittings for tightness at regular intervals
Common Installation Pitfalls to Avoid
One common mistake is placing the catch can where it will be exposed to heat sources or moving components. Heat can accelerate hose aging, and contact with wiring or belts can cause premature failure. Secure the can away from high-temperature zones and use heat-resistant sleeves if necessary.
Another frequent issue is incorrect routing that creates low points in the hose where oil can accumulate and siphon back into the crankcase. Plan hose routing to maintain a consistent downhill path into the catch can and an uphill path out toward the intake where appropriate.
- Do not mount the can where it will contact moving parts
- Avoid hose low points that trap condensate
- Use supplied brackets and hardware to prevent vibration
How Catch Cans Affect Emissions and Diagnostics
A properly installed catch can does not alter the fundamental operation of the crankcase ventilation system. It simply captures liquid and oil aerosol while allowing gases to continue flowing. However, poorly installed or blocked systems can disrupt ventilation, which may affect engine diagnostics or create vacuum-related symptoms.
If your Accord uses sensors in the intake tract that monitor airflow or pressure, ensure the catch can installation preserves factory vacuum pathways and does not introduce leaks. Regular inspections will help ensure the system continues to function as intended.
- Keep ventilation pathways unobstructed to avoid diagnostic trouble codes
- Ensure fittings are leak-free to maintain proper vacuum
- Consult tech documentation for sensor locations before finalizing routing
Still looking for the perfect fit?
Select your Honda Accord configuration to see the most relevant Oil Catch Cans recommendations
How We Chose the Best 2018-2022 Honda Accord Oil Catch Can
We selected products that specifically accommodate the 2018-2022 Honda Accord engine layout and common PCV routing used across that model range. Priority criteria included material and construction quality, internal baffling or filtration design, ease and security of mounting in the Accord engine bay, and the availability of vehicle-specific hose and clamp hardware. We also weighed maintenance factors such as drain method and capacity, and whether the design prevents oil drainage back into the crankcase under typical parking angles.Excluded items included universal kits that lack vehicle-specific fittings or require extensive fabrication, and catch cans with unclear internal separation methods. We focused on solutions that balance reliable oil separation with straightforward installation and long-term serviceability. Test-fit reports, manufacturer fitment specifications, and documented user installation notes were used to confirm physical compatibility. Final picks represent a balance of robust construction, practical maintenance, and installability for Accord owners.
Our full evaluation process is outlined in our review methodology.
FAQ
How often should I drain the catch can on my 2018-2022 Accord?
It depends on driving habits. Check the can at each oil change initially; many owners find draining every 3,000 to 7,500 miles is sufficient. Short trips tend to fill the can faster, so inspect more frequently until you know your fill rate.
Will installing a catch can trigger a check engine light on the Accord?
Not if installed correctly. A catch can must preserve the factory ventilation flow and remain leak-free. Improper routing or blocked lines can create vacuum issues that may lead to fault codes, so follow guidance and check for leaks after installation.
Can I install the catch can myself or should I use a shop?
Many Accord owners can install a catch can with basic hand tools if the kit includes vehicle-specific brackets and hoses. If the kit requires fabrication or you are unsure about routing and sealing, having a professional install it reduces the risk of errors.
Does a catch can improve fuel economy or performance on the Accord?
A catch can is primarily preventive. It reduces intake contamination and preserves performance characteristics over time rather than delivering immediate horsepower gains. Any fuel economy benefits are indirect and occur over the long term by keeping intake components cleaner.
Are there any legal or emissions concerns with installing a catch can?
A catch can is a passive device that intercepts oil vapor and should not change emissions system components. However, local regulations vary, and some areas restrict modifications to emissions systems. Check local rules if you are concerned about compliance.
Final Verdict
When choosing an oil catch can for a 2018-2022 Honda Accord, prioritize a unit that fits the available engine bay space, uses a proven internal separation method, and includes quality hoses and fittings. Consider drain accessibility and capacity relative to your driving habits so maintenance is straightforward. Balance corrosion resistance and secure mounting to avoid leaks or vibration-related issues. With attention to fitment and regular checks, a properly selected catch can offers preventive protection that helps maintain intake cleanliness and preserve engine responsiveness over time.
Explore More:
- Check out all Honda Accord parts & accessories
- Explore Oil Catch Cans Maintenance & Repair Guides
- Explore Engine
- Browse all Auto Parts
