Top 10 Best Catch Cans For 2018 F-150 Ecoboost 3.5l: Clean Intake, Less Sludge 2026

⚡ Quick Verdict

📋 How We Evaluated

Each catch can gets judged on build quality, including anodized aluminum or stainless filtration materials and weld quality. Performance matters most through fine-mesh separation, baffling, and leak prevention using O-rings. Value and fitment count heavily for 2018 EcoBoost 3.5L owners, using available listing details as Amazon-style rating signals are missing.

Capacity	350ml
Material	Anodized aluminum
Filtration Approach	Removable baffles with optional media
Monitoring Method	Rotating dipstick for oil level checks
Installation Style	Top mounting bracket with multiple angles

What We Found

This 350ml aluminum catch can is aimed at multiple Ford EcoBoost combinations, including 2011-2021 F-150 3.5L EcoBoost and 2017-2021 Raptor 3.5L Ecoboost, plus 2018-2021 Expedition 3.5L EcoBoost. The polished, anodized aluminum body is meant to handle heat and corrosion better than cheaper materials.

I like that it uses a rotating, dipstick-style access point so you can check the oil level without fully opening the can. It’s also designed with removable internal baffling and a top bracket that supports several mounting angles.

Installation is supported with included hardware and two fuel lines for a passenger-side setup. The internal baffling (and any optional media you add to the removable section) is what determines how well it separates – because the listing doesn’t spell out filter media details.

The stated 350ml capacity is intended to support periodic drainage for daily use, and it doesn’t lean into more advanced “monitoring” features like a sight glass.

Who It’s For

I’d point this one toward daily drivers who want basic blow-by control on the passenger side and don’t mind checking level with a dipstick instead of constantly watching a sight gauge.

If you’re planning a straightforward DIY install, the included bracket, hardware, and passenger-side orientation make it easier to work with. It’s also a fit for owners who want cleaner intake pathways during street use and mild boosted driving, with maintenance handled on a routine schedule rather than by visual monitoring.

Just plan on draining based on mileage and conditions since it’s not built around continuous viewing.

Filter Type	Fine mesh aluminum filter
Seal Type	Integrated O-ring seal
Service Method	Rotating tank base for drainage
Included Components	Custom brackets and aluminum quick connect PCV fittings

What We Found

EVIL ENERGY’s catch can leans heavily into filtration and sealing. The listing calls out a fine mesh aluminum filter designed to capture small oil vapors, and it uses a rotating base for easier removal and drainage during maintenance. It also includes an integrated O-ring seal to help prevent leaks.

Fitment spans 2011-2025 F-150 applications and includes 2011-2025 F-150 3.5 EcoBoost and 2018-2021 Expedition 3.5 EcoBoost. I also like the direction here: the listing mentions custom brackets and aluminum quick connect PCV fittings, which can reduce the amount of adapter work for many EcoBoost layouts.

Installation notes seem to focus on PCV-side routing, which matches common EcoBoost configurations. The trade-off is that the listing doesn’t include a stated capacity, so it’s harder to estimate how often you’ll be emptying it once you’re in the real world.

Who It’s For

This is a good match if you care about fine filtration (not just generic oil-catching) and you want leak prevention built into the design. It also suits DIY installers who prefer more direct PCV-friendly fitting support and fewer “make it work” modifications.

The fine mesh approach may appeal most for daily driving where condensation buildup can happen quickly. If you’re aiming for a clean-looking install, the listing says the design tends to blend with factory layout.

Before ordering, I’d still double-check the passenger-side routing needs for your exact setup because the install description is generalized.

Capacity	400ml
Material	Anodized aluminum
Monitoring Method	Sight glass
Sealing	O-ring to prevent leaks
Service Access	Unscrew bottom reservoir for cleaning

What We Found

This catch can kit combines an anodized aluminum reservoir with a sight glass, and that changes the day-to-day experience. The listing states a maximum 400ml capacity, which should help stretch out drainage intervals compared to smaller tanks.

The sight glass makes it easy to see oil accumulation at a glance, so you’re not guessing or opening things as often. The reservoir is described as unscrewing at the bottom for cleaning, and an O-ring is included for leak prevention. It also stays lightweight for simpler mounting.

It’s built for PCV/CCV blow-by separation with the goal of keeping oil and dirt out of the intake system, and the compatibility list covers major 2011-2023 F-150 EcoBoost configurations, including 3.5 EcoBoost and 2.7 EcoBoost, plus Raptor and Expedition 3.5 EcoBoost years.

A top mounting bracket is included for multiple angles, which helps with passenger-side installs.

Who It’s For

I’d shortlist this if you want monitoring that’s quick and obvious. It’s especially useful for people who do regular maintenance and want to know when draining is coming up without relying on dipstick checks.

The 400ml capacity fits daily driving and moderate boosted use, and the kit-style format should make DIY installs easier thanks to the bracket and simple bottom access for cleaning. If you’re specifically on a 2018-2021 3.5 EcoBoost, the fitment coverage is right in the sweet spot.

It’s also a better fit for sight-glass users than anyone who prefers checking level only through a dipstick.

Capacity	350ml
Material	Anodized aluminum
Monitoring Method	Rotating dipstick
Sealing	O-ring stated for leak prevention
Service Access	Unscrew bottom reservoir for cleaning
Internal Design	Removable baffles

What We Found

This 350ml aluminum catch can focuses on passenger-side styling and fitment similar to other 350ml kits. The anodized aluminum body is meant to resist heat and pressure. It uses a rotating dipstick-style access point, so checking oil level doesn’t require opening the reservoir.

For cleaning, the bottom unscrews per the listing, which keeps the maintenance routine simple. Internal removable baffles are included, and the top mounting bracket supports multiple installation angles – helpful when you’re trying to line up hoses and find a clean pass-through path.

It includes mounting hardware and two fuel lines for installation. The purpose here is blow-by oil and moisture separation to reduce carbon and sludge in the intake system.

The limitation is that the listing doesn’t specify micron size or filter media details, so the expected filtration performance is tied to baffling effectiveness rather than a clearly defined media spec.

Who It’s For

This pick works for owners who want a basic 350ml catch can with dipstick monitoring and a maintenance rhythm based on scheduled draining. It’s also a fit for DIY installers who want a bracket with multiple mounting angles to simplify locating a practical setup.

EcoBoost 3.5L buyers should find the passenger-side routing and compatibility coverage useful, but I’d still verify the routing clears your exact bay components, since intake and exhaust layouts can vary with accessories.

Material	Fine mesh stainless steel filter
Sealing	O-ring seal to prevent leaks
Installation	Plug-N-Play with video instructions
Service Access	Knurled tank base for easy draining
Build	Made in the USA

What We Found

J&L’s 3.0 catch can uses fine mesh stainless steel filtration. The listing describes it as capturing small oil vapors and releasing condensed liquid once it’s heavy enough to fall back into the reservoir.

Stainless mesh is a simple, predictable approach because the separation relies on the filter material rather than only on turbulence. Installation is described as plug-and-play, supported by included video instructions, which reduces uncertainty for first-time installs. The knurled tank base is made for easier hand removal when draining.

It also includes an O-ring seal to help prevent leaks. Fitment covers 2011-2026 F-150 2.7L and 3.5L, with a specific passenger-side setup called out for 2018-2021 Expedition. The listing also notes it’s made in the USA and emphasizes serviceability.

One missing detail in the provided info is tank capacity, but the focus here is on controlled drainage and durable filtration.

Who It’s For

This is a solid choice if you want an install-friendly catch can that’s built around dependable filtration material. It’s a good fit for daily driving where reducing fine oil vapor buildup helps keep the intake cleaner over time.

The plug-and-play instructions are helpful if you’re not trying to reverse-engineer a bracket kit. Passenger-side placement also matches many EcoBoost PCV routing styles. If long-term serviceability matters to you – especially with the knurled base – this is the type of build I’d lean toward.

Just confirm the “3.0” configuration matches your exact 2018 3.5 EcoBoost system design before buying.

Capacity	350ml
Material	Anodized aluminum
Monitoring Method	Rotating dipstick
Sealing	O-ring leak prevention
Internal Design	Removable baffles
Installation	Top mounting bracket with multiple angles

What We Found

This red 350ml aluminum catch can follows the same core design idea as the other 350ml passenger-side offerings. The anodized aluminum construction is intended for durability in heat and pressure. Like the other dipstick-style models, it includes a rotating dipstick feature for oil level checks without fully opening the reservoir.

Cleaning is straightforward because the bottom section unscrews without tools. Inside, removable baffles are included to support additional media (if you choose to add it), which can help with separation beyond just a bare tank.

The top mounting bracket is designed for multiple angles, and the kit includes mounting hardware plus two fuel lines. The listing’s goal is capturing oil and moisture from blow-by gas to reduce carbon and sludge formation in the intake system, with O-ring leak prevention highlighted as part of the build.

The main drawback is that the provided details don’t include enough filtration performance specifics to judge how aggressively it separates beyond the baffling concept.

Who It’s For

I’d recommend this for owners who want a tidy passenger-side setup and prefer dipstick-style monitoring over sight-glass viewing. It suits DIY installers who want quick cleaning and routine draining without complicated disassembly. The 350ml capacity works best if you’re comfortable checking level periodically or servicing on a regular interval.

The red finish can be a plus for anyone matching under-hood appearance. Before ordering, I’d confirm clearance and hose routing for your exact engine setup and any nearby accessories.

Capacity	400ml
Build	Fully TIG welded
Sealing	O-ring gasket to prevent oil leakage
Service Access	Unscrew bottom of reservoir for easy cleaning
Design	Baffled for steam cooling and condensation

What We Found

This Ryanstar kit is built around capacity and practical usability. The listing states a 400ml reservoir, which fits better with daily driving patterns where condensation can build up over time. It includes a top mounting bracket that supports multiple angles, making it easier to match the passenger-side layout.

One standout claim is “fully TIG welded construction,” which typically helps strengthen joints. The kit also includes an O-ring gasket for leak prevention. For maintenance, the reservoir is accessed from the bottom – unscrewing the bottom section – so routine cleaning shouldn’t require a pile of tools.

Internally, it’s described as baffled to help cool hot oil steam and encourage condensation into liquid form. The design aims to separate dirt and oil before they enter the engine through the intake system.

Compatibility is listed across 2011-2021 trucks with 2.7, 3.5, and 5.0 including Raptor 3.5 and 2018-2021 Expedition 3.5 applications, so it’s meant to cover more than one EcoBoost platform.

Who It’s For

I’d put this on a shortlist if you want a larger 400ml tank and a fabrication-focused build. It fits owners who may see more blow-by than typical – like more city driving, spirited driving, or moderate towing – because the extra capacity can reduce how often you drain it.

The TIG-welded claim is a plus for DIYers who care about build quality. It’s also useful when clearance is tight and you need the flexibility of a multi-angle bracket. As with any “fits many trucks” listing, I’d still confirm the passenger-side hose routing for your 2018 3.5 EcoBoost before ordering.

Capacity	350ml
Material	Anodized aluminum
Monitoring Method	Dipstick for oil level measurement
Installation Style	Multi-angle mounting brackets
Color Finish	Blue

What We Found

This JDMON passenger-side catch can uses an anodized aluminum build intended to handle high engine-bay temperatures. The fitment list covers 2011-2021 F-150 with 2.7 and 3.5 EcoBoost, plus 2017-2021 Raptor 3.5 EcoBoost and 2018-2021 Expedition 3.5 EcoBoost.

The listing describes dipstick-style reservoir level checks, so you don’t need to open the can during routine inspections. Installation is described as manageable in about 30 minutes, and it includes multi-angle mounting brackets.

Like most catch cans, it’s designed to capture oil and moisture in blow-by gas to prevent carbon and sludge buildup in the intake system. The reservoir capacity is listed as 350ml, and the finish is specified as blue.

The missing piece is specifics on filtration media – baffling and separation are mentioned, but the details don’t extend to filter mesh or internal media specs.

Who It’s For

This is a good option if you want a compact 350ml can with dipstick monitoring and multi-angle bracket flexibility. It suits DIYers who want a relatively quick install process without dealing with lots of extra adapter hunting.

Daily drivers who want less oily residue in intake components should find the passenger-side placement useful. For EcoBoost 3.5L owners, the compatibility coverage is aligned with common 2018 routing. If you’ve added aftermarket PCV or intake components, I’d confirm fitment before committing.

Capacity	350ml
Material	Anodized aluminum
Monitoring Method	Dipstick for oil level measurement
Installation Style	Multi-angle mounting brackets
Color Finish	Red

What We Found

This red JDMON passenger-side catch can matches the same core specifications as the other 350ml variant. It uses an anodized aluminum reservoir built to resist high temperature and pressure. The fitment list covers 2011-2021 F-150 with 2.7 and 3.5 EcoBoost, plus 2017-2021 Raptor 3.5 EcoBoost and 2018-2021 Expedition 3.5 EcoBoost.

It has a dipstick so you can measure fluid level without opening the can. Multi-angle mounting brackets are included to support a passenger-side installation. The goal is consistent with other catch cans: capture oil and moisture in blow-by gas to help reduce carbon and sludge buildup in the intake system.

For cleaning, maintenance is done through reservoir access, and the listing emphasizes tool-free routine maintenance. The red finish is there if you’re trying to match the engine bay look. As before, the biggest missing detail is filtration media specificity.

Who It’s For

This option makes sense if you want a straightforward 350ml passenger-side catch can with dipstick monitoring. It’s ideal for people who check and drain periodically rather than relying on constant visual confirmation. It’s also a fit for DIY installers who appreciate multi-angle bracket positioning.

The listed fitment range covers many EcoBoost owners shopping for a compatible kit. If under-hood appearance matters to you, the red finish may be a plus. Before buying, just verify that hose routing and clearance match your exact 2018 EcoBoost 3.5L layout.

Capacity	400ML
Build	All TIG welding
Sealing	Thread with O-ring seal to prevent oil leakage
Design	Baffle cools hot oil steam into liquid
Installation	Top mounting bracket with multiple angles
Included Feature	Filter compatible with listed EcoBoost engines

What We Found

This Ryanstar 350ml kit includes a filter and a baffled reservoir for passenger-side blow-by separation. The housing is described as polished and baffled, and the listing gives a stated 400ml capacity. The baffling is intended to cool hot oil steam and turn it into liquid for collection.

It uses TIG welding and an O-ring seal to help prevent oil leakage. For installation, it relies on a top mounting bracket with multiple angles, and the kit also emphasizes strengthened hose clamp design to reduce hose movement.

Fitment covers 2011-2021 F-150 2.7 EcoBoost and 3.5 EcoBoost, plus 5.0 with specific supercharged setups, along with Raptor 3.5 EcoBoost and 2018-2021 Expedition 3.5. Drain and cleaning are handled by unscrewing the bottom of the reservoir.

Overall, it combines baffling, sealing, and clamp support, but the listing details provided don’t include filtration media specs, so it’s harder to predict exactly how fine the filtration is.

Who It’s For

I’d choose this if you want baffling-focused separation and you care about hose retention – especially if your truck sees vibration or frequent engine heat cycles. It fits DIY installs where multi-angle bracket positioning and bottom-access cleaning are priorities.

The 400ml capacity is a nice match for daily driving and regular short trips where condensation can build. For EcoBoost 3.5L owners, the passenger-side PCV/CCV solution is on target. Just make sure your hose routing and fittings match the intended PCV connection points for your specific setup.

What to Look For Before Buying

When I’m picking a catch can for a 2018 F-150 EcoBoost 3.5L, I start with passenger-side fitment, then think about how you’ll maintain it. A bigger tank can mean fewer drain sessions, but only if you can still access it easily. After that, I look for a real filtration approach – fine mesh or well-thought-out baffling – and I pay close attention to sealing (O-ring/gasket) so it doesn’t create new leaks and mess to clean up.

Check Fitment for the EcoBoost 3.5 passenger side

Passenger-side fitment is the whole game for this truck. I’d confirm the kit references 2018 F-150 EcoBoost 3.5L passenger routing and that it matches your PCV/CCV connection side. If the listing calls out supercharged compatibility (like Roush/Whipple), I treat that as a clue that the plumbing/layout is considered. Before ordering, measure the available space around the intake and the PCV area and plan hose length and clearance around heat and moving components.

Value Capacity and maintenance convenience

Capacity affects maintenance frequency, but access affects whether you’ll actually keep up with it. If you do lots of short trips, condensation tends to fill catch cans faster. I’d prefer kits with bottom access for draining/cleaning and a setup that doesn’t require lots of disassembly. Monitoring features matter too – sight glass or dipstick checks help you time drainage instead of guessing.

Rating Filtration approach and sealing quality

Filtration approach is where the listings can be hit-or-miss. I’d look for fine mesh filtration or internal baffling described in a way that suggests vapor cooling and condensation. Fine mesh often implies better capture of smaller oil aerosols, while baffling is more about encouraging separation. Either way, sealing should be clearly handled with an O-ring or gasket designed for heat and vibration.

Verify Evidence from listings and installation details

I’m cautious when capacity or media specs are missing because it makes results harder to predict. I would favor listings that include capacity, sealing details, and included mounting hardware/fittings for the specific connection points. If installation instructions (like video guidance) are provided, I treat that as a big plus. And if you’re running aftermarket intake or PCV parts, I’d double-check compatibility before committing.

Frequently Asked Questions

Where should a catch can connect on a 2018 F-150 EcoBoost 3.5L?

Most 2018 EcoBoost 3.5L setups route the catch can to the PCV or CCV side, depending on how your plumbing is configured. The goal is the same either way: intercept oily blow-by before it reaches the intake. I’d confirm the kit’s included fittings and hose routing match the passenger-side layout for your truck, since some listings only cover one specific side.

How often should the catch can be drained on daily driving?

There isn’t one fixed schedule for everyone. Daily driving with lots of short trips, higher humidity, and boost use can all increase condensation and fill rate. If your kit has a sight glass or dipstick, you can start with earlier checks, learn your pattern, and then set a routine based on what you see over time.

Do catch cans improve horsepower on an EcoBoost 3.5L?

Catch cans are mainly about reducing intake sludge and keeping airflow paths cleaner. That can help performance indirectly by helping your engine maintain cleaner operation over time. Direct horsepower gains are usually not dramatic and depend on how much buildup you had in the first place.

Will a catch can cause leaks or check-engine lights?

Leaks usually come from poor sealing or incorrect hose routing. O-ring or gasket designs help reduce that risk, and using the right fittings for your PCV connection points matters. If a kit restricts flow or is installed in a way that interferes with vacuum/venting, you can run into issues that trigger warnings. The best way to lower risk is choosing a kit built for your routing and following the included installation instructions.

What capacity is best for 2018 EcoBoost 3.5L catch cans?

Capacity depends on how you drive and how fast blow-by condenses in your conditions. In this category, it’s common to see around 350ml to 400ml. A larger tank typically means fewer drain sessions, but you still need monitoring so it doesn’t fill past what you’re comfortable maintaining. For many owners with daily short-trip driving, the higher end of the capacity range can be more convenient.

🎯 Final Verdict

My top pick is the J&L Oil Separator Co. 3.0 for the 2018 F-150 EcoBoost 3.5L because it’s built around fine mesh stainless filtration, plug-and-play installation with video guidance, and an O-ring seal for leak prevention. For many people, that combination also makes the whole setup feel more dependable and less guesswork. If you’d rather monitor accumulation more directly and want more capacity, the 400ml anodized aluminum kit with a sight glass is the runner-up – especially if you like keeping an eye on oil buildup at a glance. I would shortlist J&L for filtration confidence and install ease, then consider the sight-glass option if monitoring convenience is your priority. Before mounting anything, confirm the passenger-side PCV/CCV routing matches your EcoBoost 3.5L setup.