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If you drive a Jeep Gladiator and want to reduce oily residue in the intake and combustion chambers, an oil catch can is a practical upgrade. Choosing the right Jeep Gladiator oil catch can matters because fit, mounting options, and how effectively the unit traps oil and blow-by vapors affect engine cleanliness and long-term reliability. This guide covers our shortlisted top options for the Gladiator and explains the criteria we used, including fitment, separation performance, and ease of installation. Read on for what to look for before you pick the right unit for your truck.
Looking for other parts? See all Jeep Gladiator parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | WENJTP 150ml Universal Baffled 3-Port Oil Catch Can with Filter and Drain Valve |  |
| Most Popular A crowd favorite that many people choose with confidence | SPEEDWOW Universal Baffled Oil Catch Can Kit, 300ml |  |
| Best Quality Built to a higher standard if you want something more solid | POSENG AN10 1.2L Twin‑Baffle Dual‑Filter Oil Catch Can |  |
| Best Budget The cheapest option that still gets the job done reliably | YESHMA Universal Baffled Oil Catch Can, 300ml |  |
| Most Sold A high-volume bestseller chosen again and again | EVIL ENERGY Oil Catch Can with Quick-Connect Fittings |  |
| Best Value for Money The sweet spot between price and what you get | RULLINE 350ml Universal Baffled Oil Catch Can with Braided Hose |  |
| Best Overall The best all-around choice for most situations | EVIL ENERGY 300ml Baffled Oil Catch Can with 5ft NBR Hose Kit |  |
1. WENJTP 150ml Universal Baffled 3-Port Oil Catch Can with Filter and Drain Valve
| Capacity | 150 Milliliters |
|---|---|
| Ports | 3 × 3/8-18 NPT |
| Fit Type | Universal |
| Material | 6061 Aluminum |
This compact WENJTP catch can captures blow-by oil and moisture before they re-enter the intake, using a baffled chamber and a low-micron bronze filter for two-stage filtration. It installs inline with PCV or crankcase ventilation hoses and can be mounted at any angle with the included 360 degree adjustable bracket. The 150 ml reservoir is easy to remove and clean, and a bottom drain valve makes routine servicing straightforward. The kit includes multiple adapters for common hose sizes and a tapered threaded cap with thread seal tape to improve sealing. Because the reservoir is small, it will need more frequent emptying on higher-mileage or forced-induction engines, and some users report the supplied fittings and mounting hardware are basic and may need upgrading. Also be aware changes to the ventilation plumbing can affect emissions compliance in some regions. For a reliability-minded owner wanting a simple, serviceable way to reduce intake contamination, this is a practical, low-cost option.
Best for: A reliability-focused buyer who wants a simple, serviceable catch can to reduce carbon buildup and protect the intake on a Jeep Gladiator without major plumbing changes.
Less Ideal for: Drivers who need a high-capacity or remote-mounted catch can for aggressive tuned or heavily used turbo engines should consider larger, purpose-built units.
- Baffled internal chamber plus low-micron bronze filter for effective two-stage oil separation.
- Compact, removable 150 ml reservoir that is easy to drain and clean without special tools.
- 360 degree adjustable mounting bracket allows flexible installation in tight engine bays.
- Includes multiple hose adapters to fit common PCV and crankcase line sizes.
- Small 150 ml capacity requires frequent emptying on high blow-by or boosted engines.
- Basic fittings and mounting screws may need replacement for long-term durability.
Verdict A compact, serviceable catch can that improves intake cleanliness for reliability-focused Gladiator owners, but its small reservoir and basic hardware limit heavy-duty use.
2. SPEEDWOW Universal Baffled Oil Catch Can Kit, 300ml
| Fit Type | Universal Fit |
|---|---|
| Fuel Type | Gasoline |
| Manufacturer | SPEEDWOW |
| Item model number | 1 |
This SPEEDWOW oil catch can is a compact, user-friendly kit designed to trap oil and condensate from PCV/CCV ventilation before it reaches the intake. It installs inline with the crankcase vent using the included NBR 3/8" hose, aluminum mounting bracket, clamps and fittings. The can has an internal baffle and removable bottom for easy draining plus a dipstick that doubles as an access/drain port, which makes quick checks and fluid removal simple. The kit also includes a brass micron filter and Teflon tape for sealing threads. In practice this reduces carbon buildup on intake valves and keeps intake runners cleaner when maintained regularly, but the can is small (300 ml) so it needs periodic emptying and inspection, especially in cold climates where condensation can freeze. Some users report the supplied bracket and hose clamps are basic and may need sturdier clamps or a custom bracket for a secure installation in the Gladiator's engine bay. Follow routing to avoid breaking vacuum on the PCV side and check orientation before final mounting.
Best for: A convenience-driven buyer who values a mostly complete, easy-to-install kit to reduce intake oil contamination with minimal parts sourcing and routine visual checks.
Less Ideal for: Drivers seeking a large-capacity or maintenance-free solution for extremely high blow-by applications or those who want a pre-fabricated Gladiator-specific fitment without any fabricating or extra clamps.
- Complete kit with hoses, clamps, mounting bracket and Teflon tape for a one-stop install
- Built-in baffle and removable bottom make trapping and draining oil condensate straightforward
- Dipstick doubles as a convenient inspection and suction/drain port
- Uses NBR 3/8" hose supplied for oil resistance so no extra hose purchase is typically required
- Small 300 ml reservoir requires frequent checks and draining under heavy blow-by or towing
- Included clamps and bracket are serviceable but may need upgrading for a rock-solid mount in a Gladiator
- Not intended for direct placement on the PCV inlet where it can break crankcase vacuum if installed incorrectly
Verdict A compact, mostly complete catch can kit that makes adding oil separation easy for convenience-minded buyers but requires regular draining and occasional hardware upgrades for a secure Gladiator install.
3. POSENG AN10 1.2L Twin‑Baffle Dual‑Filter Oil Catch Can
| Capacity | 1.2 Liters |
|---|---|
| Hose Fitting Size | AN10 |
| Breather | Twin external filters |
| Material | Aluminum |
This POSENG catch can is a large‑capacity aluminum unit engineered to separate oil and crankcase vapors before they reach the intake. It uses an internal twin baffle and two external breather filters to slow airflow and condense oil, while AN10 inlet fittings match common performance plumbing. Typical installation routes both valve cover vents into the can and mounts it in the engine bay or frame rail; the included petcock makes draining straightforward without removing the unit. The TIG welded construction and visible welds suggest a stronger build than flimsy stamped cans, and its larger ports and capacity suit high‑output or boosted engines that generate heavy blow‑by. Downsides are obvious: the can is bulky and may require custom brackets or clearance work in tight engine bays on a Jeep Gladiator, and some users report thin wall thickness and a simple drain that could be improved. It performs well for aggressive driving and turbo setups but demands thoughtful placement and plumbing to avoid fitment interference.
Best for: Performance‑oriented owners focused on maintaining intake and turbo efficiency under high load or boosted driving who prioritize functional upgrades that handle heavy blow‑by.
Less Ideal for: Those who want a compact, stealthy catch can that fits without modification or who prefer a polished OEM‑style factory replacement should look elsewhere.
- Large 1.2 L capacity handles heavier blow‑by and extends service intervals
- Twin internal baffles plus dual breather filters improve oil separation and reduce intake contamination
- AN10 fittings and larger ports simplify hookup for common performance plumbing
- TIG welded aluminum construction offers better weld quality than basic stamped cans
- Bulky footprint can make routing and mounting difficult in confined engine bays
- Some users note relatively thin sheet thickness compared with premium OEM‑grade catch cans
Verdict A high‑capacity, twin‑baffle catch can built for performance Jeep Gladiator setups, but its size and basic finish mean you should plan mounts and plumbing before buying.
4. YESHMA Universal Baffled Oil Catch Can, 300ml
| Capacity | 300ml |
|---|---|
| Material | Aluminum |
| Fit Type | Universal |
| Included fittings | 6mm, 8mm, 10mm |
| Fuel Type | Gasoline |
The YESHMA 300ml baffled oil catch can offers a simple, budget-minded way to keep blow-by oil and moisture out of the intake tract on a Jeep Gladiator. It mounts in-line with the PCV or valve cover breather and uses internal baffling to condense oil so heavier contaminants drain into the can instead of the intake. The unit is aluminum for durability, includes 6mm/8mm/10mm fittings and a short length of fuel-resistant hose so you can adapt it to factory breather ports. A clear dipstick feature lets you check fluid level without disassembling the can, and the polished body wipes clean easily. Downsides for Gladiator owners are the small 300ml capacity, which means more frequent checks under heavy or off-road use, and the supplied hose and fittings can be flimsy or marginal for high-temperature engine locations so many users replace them with heavier-duty hose. Installation can require creative mounting and a sturdier hose for long-term reliability, but the can itself provides the basic function at a low cost.
Best for: Practical, budget-conscious Jeep Gladiator owners who want a low-cost preventive upgrade to reduce intake carbon buildup without spending on a premium kit.
Less Ideal for: Owners who expect heavy towing, extended off-road usage, or who prefer a maintenance-free, large-capacity solution should consider higher-capacity, vehicle-specific catch cans with heat-rated hoses and dedicated mounting kits.
- Aluminum construction for corrosion resistance and longevity.
- Baffled internal design that captures oil and moisture before they reach the intake.
- Includes multiple fittings (6mm, 8mm, 10mm) for easy hose sizing during install.
- Dipstick / easy-check feature lets you monitor fill level without opening the can.
- Small 300ml capacity requires frequent draining in heavy-duty or extended off-road use.
- Supplied hose and some fittings are lightweight and may not tolerate high underhood temperatures long-term.
Verdict A cheap, effective entry-level catch can for Gladiator owners who will accept smaller capacity and upgrade hoses for long-term reliability.
5. EVIL ENERGY Oil Catch Can with Quick-Connect Fittings
| Compatibility | 2011-2025 F-150 5.0L, 3.5L EcoBoost, 2.7L EcoBoost; 2017-2025 Raptor; 2018-2021 Expedition 3.5L |
|---|---|
| Filter type | Fine mesh aluminum |
| Reservoir capacity | 3oz |
| Mounting | Includes custom brackets and quick-connect fittings |
| Seal | O-ring cup seal |
This EVIL ENERGY catch can is built to separate oil vapor from crankcase ventilation and route it to a drainable reservoir, reducing gunk buildup in the intake tract. It installs using the supplied custom brackets, hoses, and aluminum quick-connect PCV fittings so the unit mounts cleanly in the engine bay without extensive modification. The internal fine-mesh filter and baffled design let vapor condense into liquid inside the 3 oz cup, which you remove and drain during routine checks. Practical benefits include a compact, vehicle-aware shape that blends with factory components, an O-ring sealed cup to limit leaks, and a rotating base that eases removal for drainage. Limitations to be aware of are the small 3 oz capacity that requires more frequent emptying on high-mileage or heavily loaded engines and occasional reports of tight cup threads that benefit from antiseize during installation. For a risk-averse buyer this offers a near-direct-fit, lower-cost way to protect the intake from oil contamination while keeping the installation straightforward.
Best for: Practical, risk-averse buyers who prioritize a near-direct-fit, low-risk upgrade to limit intake contamination and prefer easy installation with supplied hardware.
Less Ideal for: Drivers who need a high-capacity or remote-mounted solution for extreme-duty, long-interval driving should consider larger or differently designed units.
- Custom-fit mounting hardware and aluminum quick-connect fittings simplify installation and reduce need for adapters.
- Fine mesh baffled filtration captures oil vapor and condenses it for periodic draining.
- Rotating removable cup with O-ring seal helps prevent leaks and makes draining easier.
- Compact design integrates with the engine bay and maintains factory-style appearance.
- Small 3 oz reservoir means more frequent checks and draining under heavy use.
- Some users report the cup threads can seize without antiseize, making removal difficult.
Verdict A compact, near‑direct‑fit catch can that lowers intake contamination risk for buyers who want a straightforward, low‑risk installation.
6. RULLINE 350ml Universal Baffled Oil Catch Can with Braided Hose
| Capacity | 350 Milliliters |
|---|---|
| Material | Aluminum |
| Fit Type | Universal |
| Product Grade | Performance Part |
| Fuel Type | Gasoline |
This RULLINE 350ml catch can captures oil and moisture from crankcase ventilation before vapors reach the intake, helping cut carbon and sludge buildup that can affect throttle bodies and intake valves. It is a universal, performance-grade unit that mounts in the engine bay and routes PCV/CCV lines through the can; the baffled interior separates liquids while the screw-on sump and dipstick make level checks and cleaning straightforward. Construction is aluminum with full TIG welds and an included braided hose that is more durable than cheap rubber lines. The kit includes multiple adapter fittings and a small mounting bracket, though many Gladiator installs will require custom mounting and possibly different hose diameters or clamps to match factory ports. The can is compact enough for tight engine bays but its 350ml capacity means it needs periodic draining on higher-mileage or heavy-duty Gladiator use. Expect to source a correct hose ID or clamps for a clean install and budget time for routing and secure mounting.
Best for: Practical optimizers looking for a budget-conscious, functional way to reduce PCV-related intake deposits on their Jeep Gladiator and willing to adapt fittings and mount points.
Less Ideal for: Drivers who want a plug-and-play, vehicle-specific kit with dedicated Gladiator mounting hardware and exact-fit hoses should consider purpose-made Gladiator units instead.
- Baffled interior effectively separates oil and moisture from PCV/CCV flow.
- 350ml sump with screw-on drain and dipstick for easy inspection and cleaning.
- TIG-welded aluminum body resists corrosion and is lightweight for under-hood mounting.
- Upgraded braided hose included is more durable than standard rubber tubing.
- Multiple adapter fittings cover a range of hose/barb sizes for flexible plumbing.
- Universal fit requires custom mounting and may need different hose diameters for a Jeep Gladiator.
- 350ml capacity can require frequent emptying on high-mileage or heavy-load use.
- Included small mounting bracket and clamps may be insufficient for secure long-term installation.
Verdict A well-built, affordable universal catch can that saves intake wear on a Jeep Gladiator if you are prepared to adapt hoses and mount it securely.
7. EVIL ENERGY 300ml Baffled Oil Catch Can with 5ft NBR Hose Kit
| Capacity | 300 Milliliters |
|---|---|
| Hose length | 5ft (1.5m) |
| Hose ID | 3/8" |
| Inlet/outlet thread | M16×1.5 |
This EVIL ENERGY catch can is a compact, baffled separator intended to intercept oil vapor and moisture before it recirculates through the PCV system. It installs inline with PCV hoses or as a breather on pre-PCV setups and includes a removable baffle and steel wool to improve coalescing. The kit ships with a 5ft NBR hose (3/8" ID), clamps and fittings that use M16x1.5 threads, so routing in the engine bay is straightforward for most installations. Practical benefits include a durable aluminum can, visible serviceability via the threaded cap and dipstick, and a 300ml capacity that balances compact mounting with reasonable drain intervals. Limitations are the universal fit approach: the provided hose diameter and length may not match every Jeep Gladiator routing and some buyers will need extra hose, clamps or adapters for a clean install; in cold climates the unit can accumulate moisture and may require more frequent draining or temporary removal to avoid freezing. The design is solid for regular maintenance-minded owners but expect minor fitment planning for tidy installation.
Best for: A balanced all-round buyer who wants a reliable, factory-quality-feeling catch can to reduce intake contamination and extend engine life while keeping maintenance simple.
Less Ideal for: Buyers seeking a vehicle-specific direct-fit kit with guaranteed hose and adapter sizes or those unwilling to do minor routing or parts swaps during installation should consider purpose-built Gladiator kits instead.
- Baffled internal design with steel wool to improve oil and moisture separation
- Sturdy aluminum construction and threaded cap for easy draining and inspection
- Includes 5ft NBR hose and basic fittings for a mostly plug-and-play installation
- 300ml capacity is compact yet large enough to avoid very frequent emptying
- Universal kit may require additional hose, clamps or adapters for a neat Jeep Gladiator install
- O rings and supplied fittings can be tight to assemble and may need careful handling to avoid damage
Verdict Solidly built and effective as a general-purpose catch can, but Gladiator owners should plan for minor hose or adapter changes for a tidy, vehicle-specific install.
Choosing the Right Jeep Gladiator Oil Catch Can: Key Factors to Consider
Fitment and Mounting
Fitment matters because an oil catch can must mount securely in the tight engine bay of the Jeep Gladiator without interfering with other components. Look for bracket locations and hose routing that match the trucks PCV and intake plumbing to avoid long, kinked lines.
Mounting options affect ease of installation and long-term reliability. A robust bracket with vibration-resistant fasteners reduces the chance of leaks or hose disconnection. Consider whether the unit allows multiple mounting positions to accommodate accessories or aftermarket parts already installed in your Gladiator.
Separation Efficiency
The core purpose of a catch can is to separate oil and condensates from the crankcase vapors before they reach the intake tract. Higher separation efficiency reduces carbon buildup on valves and intake components, which helps maintain performance and efficiency over time.
Evaluate the internal design such as baffles, filters, or coalescing media. Designs that promote condensation and capture of oil droplets typically perform better. Think about expected driving conditions and how much blow-by your engine produces when assessing necessary separation performance.
Capacity and Drain Access
Capacity determines how often you need to service the unit. A larger reservoir reduces the frequency of drains but may be bulkier and harder to fit in the engine bay. Balance capacity against available space and expected oil carryover rates for your driving style.
Drain access is equally important. A clear, easy-to-reach drain valve or removable sump simplifies maintenance and reduces the chance of spilling during service. Consider whether the catch can allows tool-free draining or requires jackstands or removal to empty.
Hose and Fitting Compatibility
Compatibility with the Gladiators PCV hoses and intake fittings is essential to prevent vacuum leaks and ensure proper crankcase ventilation. Inspect inlet and outlet port sizes and included fittings to make sure they match or adapt to existing hoses.
Quality hose clamps and routing recommendations help avoid kinks and heat exposure. Some kits include pre-cut hoses and hardware, which streamlines installation and reduces the need for aftermarket adapters.
Material and Durability
Materials affect longevity and performance. Aluminum or stainless steel bodies resist corrosion and can withstand engine-bay temperatures, while certain plastics may be lighter but less heat tolerant. Durable construction minimizes the risk of cracks, leaks, or degraded seals over time.
Consider finishes and coatings that protect against road salt and moisture. Also look for sturdy fittings, corrosion-resistant fasteners, and serviceable seals that allow maintenance without compromising the units integrity.
Serviceability and Maintenance
Regular maintenance keeps a catch can effective. Choose a design that makes it straightforward to inspect, remove, and drain the collected oil. Clear sight indicators or volume markings help you monitor when service is needed.
Some systems offer replaceable filters or cartridges, which can make long-term upkeep easier. Consider the frequency of maintenance based on your driving conditions and whether the units design makes routine servicing quick and clean.
FAQ
Do I need an oil catch can for my Jeep Gladiator?
An oil catch can is often recommended if you want to limit oil and combustion byproducts from entering the intake system. It can reduce intake and valve deposits, which may help maintain performance and efficiency, especially over higher mileage or under heavy load conditions. The benefit depends on your driving habits and engine condition.
Where does the catch can connect on the Gladiator?
A catch can typically connects between the crankcase ventilation outlet and the intake or intake tract. Proper routing should preserve the ventilation path while allowing the can to capture condensates. Installation points vary by engine and available space, so choose a unit designed for the Gladiators PCV layout.
How often should I drain the catch can?
Drain frequency depends on how much oil the engine produces and your driving patterns. Many owners check the can every few thousand miles or during routine maintenance intervals. Units with sight gauges let you monitor fluid level and drain when a moderate amount of liquid has accumulated.
Will a catch can affect my engines ventilation or performance?
When installed correctly with appropriate hose sizing and secure fittings, a catch can should not negatively affect ventilation or engine performance. The goal is to maintain proper crankcase flow while trapping oil droplets. Poor routing, undersized hoses, or leaks can cause issues, so follow recommended installation practices.
Can I install a catch can myself on a Gladiator?
Many catch cans are designed for do-it-yourself installation and come with mounting hardware and hoses sized for the vehicle. Basic mechanical skill and common tools are usually sufficient. However, if you are unsure about routing or preserving vacuum integrity, professional installation ensures correct fitment.
Does a catch can require special replacement parts?
Some designs use replaceable cartridges or filters while others rely on washable baffles. Replacement parts are not always required frequently, but check whether the model offers service items and how readily available they are. Choosing a unit with accessible maintenance parts simplifies long-term ownership.
How We Chose the Best Jeep Gladiator Oil Catch Can
We focused on components sized and configured specifically for the Jeep Gladiator, prioritizing fitment and real-world installation considerations. Our selection criteria emphasized effective oil-vapor separation media and internal baffle design because those determine how much oil and sludge the unit captures before it reaches the intake. We also weighed mounting options and hose routing to ensure straightforward integration with the Gladiators engine bay and PCV system. Durability and serviceability were important, including construction materials, ease of draining, and availability of replacement elements where applicable. Finally, we considered clarity of installation instructions and whether a catch can kit included necessary fittings and hoses. We excluded generic, universal units without clear Gladiator-compatible mounting or those lacking documented separation performance or reasonable maintenance access.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a Jeep Gladiator oil catch can, prioritize fitment, separation efficiency, and easy maintenance. Those factors determine how effectively the unit protects the intake and how convenient it will be to service over time. Expect tradeoffs between capacity, space, and ease of installation; focus on a configuration that fits your engine bay and driving habits.
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