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If you own an Infiniti G37, choosing the right oil catch can can help reduce oil and sludge buildup in the intake tract and PCV system, which can preserve performance and reduce long-term maintenance. This guide covers seven shortlisted options selected for their fitment to the Infiniti G37 and for qualities like construction, ease of installation, and serviceability. You will find clear notes on what matters most when evaluating catch cans, including plumbing layout, mounting choices, and maintenance requirements. Read on to see the top picks and a concise explanation of the criteria used to pick them.
Looking for other parts? See all Infiniti G37 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | RULLINE 350ml Universal Baffled Oil Catch Can |  |
| Most Popular A crowd favorite that many people choose with confidence | RULLINE Universal 350ml Oil Catch Can (2-Pack) |  |
| Best Quality Built to a higher standard if you want something more solid | EVIL ENERGY 300ml Baffled Universal Oil Catch Can with NBR Hose Kit |  |
| Best Budget The cheapest option that still gets the job done reliably | YESHMA 750ml Billet Aluminum Baffled 2-Port Oil Catch Can with Breather Filter |  |
| Most Sold A high-volume bestseller chosen again and again | AICEL Baffled 300ml Aluminum Oil Catch Can with Breather Filter and Hose Kit |  |
| Best Value for Money The sweet spot between price and what you get | muge racing Universal Baffled Oil Catch Can Kit, 400 ml |  |
| Best Overall The best all-around choice for most situations | EVIL ENERGY 10AN 750ml Oil Catch Can with 10ft Nylon-Braided Fuel Line Kit |  |
1. RULLINE 350ml Universal Baffled Oil Catch Can
| Capacity | 350 Milliliters |
|---|---|
| Fit Type | Universal |
| Product Grade | Performance Part |
| Fuel Type | Gasoline |
This RULLINE 350ml oil catch can is a simple, performance-oriented reservoir that intercepts oil and moisture from the crankcase ventilation system to help keep the intake tract cleaner. Installation is typically between the PCV/CCV outlet and the intake, using the included adapters and braided hose; users will need to find a secure mounting point and may adapt hose diameters for a clean fit on the Infiniti G37. The can is aluminum, fully TIG welded, and uses O-ring seals and a dipstick for checking fluid level without disassembly. Its braided hose and multiple fittings make it usable on many setups while the baffled interior helps separate liquid from vapor. Limitations are its small 350ml capacity, which means more frequent draining on engines with heavy blow-by, and the basic mounting bracket may not suit the G37’s engine bay without modification. For a reliability-minded owner the construction and sealing are reassuring, but plan for a custom bracket and periodic checks on fill level.
Best for: Reliability-focused Infiniti G37 owners who want a durable, factory-quality-minded solution to reduce intake contamination and are willing to perform a modest install and periodic maintenance.
Less Ideal for: Owners seeking a large-capacity or vehicle-specific packaged kit with a dedicated mount and fittings tailored to the G37 should consider model-specific alternatives.
- Baffled aluminum reservoir reduces oil and moisture reaching the intake
- Fully TIG welded body with O-ring seals to minimize leakage
- Includes braided hose and three adapter fittings for flexible routing
- Dipstick lets you check fluid level without opening the can
- 350ml capacity can require frequent draining on engines with significant blow-by
- Supplied mounting bracket is generic and often needs modification for a clean fit
Verdict A sturdy, universal 350ml catch can that improves long-term intake cleanliness for a G37 but needs a custom mount and more frequent draining than larger units.
2. RULLINE Universal 350ml Oil Catch Can (2-Pack)
| Capacity | 350 Milliliters |
|---|---|
| Fuel Type | oil |
| Product Grade | Performance Part |
| Fit Type | Universal |
The RULLINE 350ml catch can kit is a budget-friendly way to keep oil and moisture out of the intake on an Infiniti G37 when routed into the PCV/CCV system. Each aluminum can is baffled and fully tig welded to collect emulsified oil and condensate while the included dipstick makes quick level checks possible without disassembly. The kit ships with multiple hose adapters and a braided hose so you can match common PCV and intake fittings, and the sealed fittings with O-rings reduce the chance of leaks. In practice the cans mount out of the way and require occasional draining every few thousand miles depending on driving; users often add a small drain valve for easier service. Limitations to note are that the universal fittings and bracket may need modification to work neatly on a G37, and the supplied hose clamps and mounting hardware are basic so expect some additional parts or custom mounting for a tidy install. For convenience-focused owners this kit offers simple installation potential and visible evidence the system is trapping oil, but it is not a vehicle-specific plug-and-play solution.
Best for: Convenience-driven Infiniti G37 owners who want an easy, low-cost way to reduce intake oil contamination without a complex or time-consuming installation.
Less Ideal for: Owners seeking a guaranteed, vehicle-specific plug-and-play catch can or those who want an integrated system with a factory-style mount and larger capacity.
- Baffled aluminum cans with tig welding for durable, corrosion-resistant construction.
- Includes three adapter fittings and braided hose to fit a range of PCV/CCV connections.
- Dipstick allows quick fluid checks without removing the can.
- Sealed fittings with O-rings reduce leakage risk compared with basic kits.
- Universal bracket and fittings may require modification for a clean, secure install on the G37.
- Basic hose clamps and mounting hardware are minimal and may need upgrading.
- 350ml capacity requires periodic draining under heavy use.
Verdict A practical, affordable universal catch can kit that can help reduce intake oil contamination on an Infiniti G37 but may need minor modifications and better hardware for a tidy, long-term installation.
3. EVIL ENERGY 300ml Baffled Universal Oil Catch Can with NBR Hose Kit
| Capacity | 300 Milliliters |
|---|---|
| Hose length | 5 ft (1.5 m) |
| Hose ID | 3/8" |
| Thread size | M16×1.5 |
This EVIL ENERGY catch can is a compact baffled separator intended to trap oil and moisture before crankcase vapors re-enter the intake on an Infiniti G37. It installs in-line with PCV/CCV plumbing or as a breather on pre-PCV setups and includes a removable internal baffle and steel wool for improved coalescing. The kit ships with a 5ft NBR hose rated for heat and wear plus fittings with M16x1.5 threads and basic mounting hardware, so routing and securing the can in the G37 engine bay is straightforward for a competent DIYer. Practical benefits include reduced intake-valve and throttle-body gunk, easier long-term maintenance of the VQ engine, and a compact 300ml capacity that fits snugly without blocking access to dipstick or covers. Limitations to note are that the universal bracket may require trimming or custom holes to clear the G37's layout and the supplied hose length or clamp count might be insufficient depending on chosen mount; some buyers add extra hose or clamps. In cold climates the can can accumulate moisture and may need more frequent draining or temporary reinstall of stock PCV routing to avoid freezing.
Best for: Performance-oriented Infiniti G37 owners focused on engine longevity and intake cleanliness who are comfortable doing a moderate DIY install and tweaking a universal bracket for a tidy fit.
Less Ideal for: Drivers who want a bolt-on, vehicle-specific kit with no fitment work or those unwilling to perform occasional draining and maintenance in cold climates.
- Baffled internals with included steel wool improve oil separation and reduce intake contamination.
- Compact 300ml body fits tight engine bays like the G37 without significant packaging issues.
- Includes 5ft NBR hose and multiple fittings for a durable, heat-resistant installation.
- Removable baffle and screw-off base make inspection and cleaning straightforward.
- Universal bracket may need modification to achieve a clean, serviceable mount in the G37.
- Kit may lack sufficient hose length or additional clamps for some routing options.
- Risk of moisture build-up in freezing conditions requires more frequent maintenance or temporary rerouting.
Verdict A compact, well-built baffled catch can that delivers cleaner intake airflow for a G37 but may need minor bracket or hose tweaks for a perfect install.
4. YESHMA 750ml Billet Aluminum Baffled 2-Port Oil Catch Can with Breather Filter
| Fuel Type | Diesel, Gasoline |
|---|---|
| Fit Type | Universal |
| Manufacturer | YESHMA |
This YESHMA catch can is a budget-focused, universal solution for the Infiniti G37 to reduce oil and sludge entering the intake tract. It uses a baffled 750ml reservoir and an aluminum billet body that is anodized for corrosion resistance and a tidy engine-bay look. Installation on the G37 is typical for universal cans: mount the can, route PCV and intake hoses to the two ports, and attach the small breather filter if you choose an open-breather setup. The included drain valve and hose fittings make maintenance straightforward, and the large reservoir means less frequent emptying compared with smaller cans. Practical downsides for a G37 install are fitment length and finish quality; several users reported machining debris and a drain valve that can leak if not checked, so inspect and clean threads before fitting. Because it is universal, expect to trim or re-route hoses and confirm clearances in the G37’s engine bay. For the price it delivers solid function but requires a careful pre-install inspection.
Best for: Budget-conscious Infiniti G37 owners who want a simple, low-cost way to reduce oil contamination in the intake and are comfortable doing small fitment tweaks and pre-install inspection.
Less Ideal for: Drivers seeking a plug-and-play, vehicle-specific kit with guaranteed fitment or those who prefer factory-quality fit and finish without any pre-install work.
- Large 750ml baffled reservoir reduces frequency of emptying
- Billet aluminum body with anodized finish offers durability and a neat appearance
- Includes breather filter, drain valve, hose connectors and clamps for a complete basic install
- Universal two-port layout supports both closed-loop (PCV to intake) and open-breather setups
- Universal length and shape may require hose rerouting or trimming to fit the G37 engine bay
- Some units show machining debris and imperfect threads that need cleaning before installation
- Reported drain valve sealing issues may require replacement or additional sealing
Verdict A very affordable, functional catch can for the G37 if you are willing to clean and adapt the universal unit for a tidy installation.
5. AICEL Baffled 300ml Aluminum Oil Catch Can with Breather Filter and Hose Kit
| Capacity | 300ML |
|---|---|
| Material | Aluminum alloy, silicone, stainless steel |
| Adapter sizes included | 6mm, 8mm, 10mm |
| Breather | Included |
This AICEL catch can is a budget-minded baffled reservoir intended to trap oil vapor and moisture before they reach the intake. It installs inline with the PCV or can be used as a sealed reservoir using the supplied adapter fittings. The kit ships with a 300ml aluminum can, a small breather filter, multiple adapter fittings (6mm, 8mm, 10mm), basic hose, clamps, and seals so you can adapt it to different hose sizes. In use it provides a quick, low-cost way to reduce intake deposits on engines prone to carbon buildup. Construction is aluminum with stainless fittings so corrosion resistance is reasonable for under-hood service, and the bottom drain makes cleaning straightforward. Expect to replace the thin supplied hose or source additional mounting hardware if you want a cleaner, longer lasting install. The 300ml capacity and compact size mean more frequent draining than larger cans, and some users report variable hardware quality, so prepare for minor fitment work on the Infiniti G37 rather than a perfect bolt-in solution.
Best for: Risk-averse mainstream buyers seeking an affordable, functional way to reduce intake carbon and extend engine life on an Infiniti G37 without committing to an expensive specialty kit.
Less Ideal for: Drivers who want a factory-quality, vehicle-specific bolt-on or who prefer a large-capacity catch can with professional-grade fittings should look at higher-end or model-specific options.
- Aluminum construction and stainless fittings resist corrosion for typical engine-bay exposure
- Comes with multiple adapter fittings and clamps to match common PCV hose sizes
- Compact 300ml capacity and bottom drain make inspection and cleaning simple
- Includes a breather filter for vented or sealed installation options
- Supplied hose and some hardware are lower quality and may need replacement for durable installs
- Small 300ml volume requires more frequent emptying on engines with heavier blow-by
- Not a vehicle-specific bolt-on for Infiniti G37 so minor fabrication or different hoses may be required
Verdict AICEL's 300ml catch can is a low-cost, serviceable option for G37 owners who want basic PCV protection but expect to upgrade hoses or mount hardware for a more durable install.
6. muge racing Universal Baffled Oil Catch Can Kit, 400 ml
| Capacity | 400 ml |
|---|---|
| Material | Aluminum |
| Hose size | 3/8" fuel line provided |
| Mounting options | Includes mounting bracket and plug for sealed use |
This muge racing catch can is a budget-friendly, universal baffled reservoir meant to capture oil vapor and condensate before it reaches the intake system. Typical installation routes the PCV or crankcase vent through the can so the baffle and internal filter condense vapor into liquid that collects in the 400 ml reservoir, and you drain it periodically using the included dipstick and fittings. Notable features include a polished aluminum body, a top breather filter that can be used or replaced with a plug for a sealed application, three adapter sizes with O-rings, reinforced hose clamps, and a small dipstick for level checks. In practice it reduces carbon build-up risk and keeps intake plumbing cleaner on engines prone to oil blow-by. Downsides are thin supplied hose and a basic mounting bracket that may need modification for ideal placement; some users also report occasional fitting leaks that require sealant or careful torque. For a practical optimizer looking to curb intake contamination on a G37 without spending much, it delivers core function at low cost while expecting minor installation work.
Best for: A practical optimizer who wants an affordable, functional way to reduce intake oil contamination on an Infiniti G37 without buying a premium unit, and who is willing to do basic install tweaks.
Less Ideal for: Drivers seeking a plug-and-play, vehicle-specific kit with premium hoses and bracketry or those who want a maintenance-free lifetime solution should consider higher-end options.
- Baffled reservoir and breather filter condense vapor to reduce oil entering the intake
- Polished aluminum body is lightweight and durable for under-hood use
- Includes three adapter sizes with O-rings to fit a range of hose connections
- Built-in dipstick lets you check collected fluid without frequent disassembly
- Supplied hose is thin and may need replacement for reliable service
- Mounting bracket and hole placement are basic and may require fabrication for secure installation
- Some users report fittings can leak unless sealed or tightened carefully
Verdict A low-cost, effective baffled catch can that protects the G37 intake for buyers willing to upgrade the hose or tweak the mounting for a cleaner install.
7. EVIL ENERGY 10AN 750ml Oil Catch Can with 10ft Nylon-Braided Fuel Line Kit
| Capacity | 750ml |
|---|---|
| Hose length | 10 feet |
| Hose inner diameter | 0.56 in (14.22mm) |
| Working pressure | 500 PSI |
| Operating temperature | -40°F to 257°F |
This EVIL ENERGY kit is a complete, budget-friendly oil catch can solution for an Infiniti G37 that needs crankcase ventilation control. The can uses a baffled 750ml reservoir and a bottom drain valve for easy periodic emptying, while the included 10AN swivel fittings and nylon-braided CPE hose let you route lines around the G37 engine bay and mount the can in a convenient spot. It can be installed in-line between valve cover/crankcase vents and the PCV system or used as a breather on pre-PCV setups. Practical benefits for the G37 include reduced intake valve and throttle-body deposits and easier maintenance thanks to the drain. Limitations to expect on the G37 are that the kit is universal so you may need additional adapters or trimming to match factory ports and that finish and weld alignment vary between units, so check fittings and fitment before final installation. The kit’s braided hose and pressure ratings make it durable, but top-tier baffling and fit-and-finish are not at premium-OEM levels.
Best for: A balanced all-round buyer looking for a practical, full-kit catch can they can install on an Infiniti G37 to reduce intake contamination and simplify maintenance without spending on premium-brand race hardware.
Less Ideal for: Drivers seeking a plug-and-play factory-matching assembly with perfect cosmetic finish or buyers who want the highest-end baffling and fitment without any modification should consider a vehicle-specific premium option instead.
- Complete kit with 10AN swivel fittings and about 10 feet of nylon-braided CPE hose for flexible routing in the G37 engine bay.
- 750ml baffled reservoir with a bottom drain valve simplifies draining and reuse without removing the can.
- High working and burst pressure ratings indicate the supplied hose is robust for engine bay temperatures and pressure excursions.
- Swivel AN fittings improve ease of plumbing and reduce stress on hose ends during installation.
- Universal fit means you may need extra adapters or hose trimming to connect to G37 factory ports.
- Quality control on welds and cosmetic finish can be inconsistent between units.
Verdict A complete, serviceable catch can kit that gives Infiniti G37 owners reduced crankcase vapors and easy draining at a modest price, but expect some fitment tweaks and variable finish quality.
Choosing the Right Infiniti G37 Oil Catch Can: Key Factors to Consider
Fitment and Mounting
Correct fitment is essential because the catch can needs to secure in the G37 engine bay without interfering with moving parts or heat sources. Look for kits that provide or describe bracket locations compatible with the G37 firewall, inner fender, or strut tower to minimize custom fabrication.
Mounting position affects hose length and routing. A poorly placed can lead to kinks, sagging hoses, or contact with hot surfaces. Aim for a location that keeps hoses short, avoids sharp bends, and allows easy access for draining and inspection.
Construction and Materials
Material choice determines longevity when exposed to oil vapors, moisture, and engine-bay temperatures. Anodized aluminum or stainless steel bodies resist corrosion and can stand up to long-term service, while robust seals and O-rings prevent leaks.
Inspect the quality of welds, threads, and finish. Higher-quality construction reduces the chance of galling, seizing, or cracking and usually correlates with more precise drain fittings and level indicators.
Filtration and Internal Design
Internal baffling, coalescing media, or multilayer filters influence how effectively the catch can separates oil droplets from crankcase vapors. A well-designed internals slow vapor flow and promote condensation so oil collects in the reservoir instead of reaching the intake.
Consider whether the internal design is serviceable. Some systems allow you to replace filter media or clean baffles, which helps maintain separation efficiency over time and extends the interval between full drains.
Hose and Fitting Compatibility
Hoses and fittings must match the G37 PCV and intake connections to avoid leaks and ensure proper flow. Check diameter and material compatibility, since some hoses are more heat- and oil-resistant than others.
Barbed or threaded fittings should provide secure clamping or sealing. Kits that include high-quality clamps, adapters, or multiple fitting sizes reduce the need for aftermarket parts and simplify installation.
Drainage and Serviceability
How easy it is to check and empty the can directly affects maintenance frequency and user compliance. Twist-off bases, petcock drains, or bottom-mounted threaded drains are common; choose a system that you can access without removing the can or nearby components.
Visible sight tubes or level windows help you monitor buildup so you can schedule drains before the can overflows. Simpler service reduces the risk of missed maintenance and keeps the PCV system functioning as intended.
Installation Complexity
Installation time and required skill level vary. Some kits are bolt-on with vehicle-specific brackets and fittings, while others need custom brackets, hose trimming, or relocation of nearby components. Gauge the level of mechanical experience and tools required before starting.
Consider whether the kit documents hose routing for the G37 or includes clear instructions and hardware. Easier installs reduce the chance of mistakes that could produce vacuum leaks or improper PCV flow.
FAQ
Will an oil catch can prevent carbon buildup in the Infiniti G37 intake?
A catch can can reduce the amount of oil-laden vapors entering the intake, which often contributes to carbon and residue buildup. It does not eliminate the issue entirely because other factors like fuel quality and driving patterns also play a role. Regular maintenance and periodic inspection will further reduce buildup risk.
How often should I drain an oil catch can on an Infiniti G37?
Drain intervals depend on driving conditions and engine use. Many owners check the can every oil change or every few thousand miles; more frequent checks are advised for short-trip or high-load driving. Use a sight tube or level indicator to determine when draining is necessary rather than relying on a fixed schedule.
Does installing a catch can affect engine vacuum or PCV operation?
A properly sized and plumbed catch can will maintain normal PCV flow and should not harm engine vacuum. The key is correct hose routing and avoiding restrictions. Follow guidance on hose diameter and placement to preserve the intended crankcase ventilation dynamics.
Can I install a catch can myself on an Infiniti G37?
Many catch can installs are feasible for competent DIYers with basic hand tools and mechanical experience. Vehicle-specific kits that include brackets and clear instructions simplify the process. If you are unsure about routing, vacuum integrity, or mounting clearance, consult a technician.
What maintenance should I perform on a catch can?
Regularly inspect hoses and fittings for leaks or degradation and check fluid level in the reservoir. Clean or replace internal filter media if the design calls for it, and drain the collected oil and condensate at appropriate intervals. Proper maintenance keeps the system effective and prevents blockages.
How We Chose the Best Infiniti G37 Oil Catch Can
We focused on solutions that specifically suit the Infiniti G37 engine bay and PCV routing. Evaluation prioritized durable materials and machining so the unit resists corrosion and handles crankcase vapors over time. Fitment and mounting flexibility were key, including bracket options and hose routing that match the G37 layout without extensive modification. Serviceability ranked highly, favoring designs with easy-drain access or visible sight lines to check fluid levels. We also assessed hose and fitting quality, preferring models that include robust fittings and clear hose compatibility notes. Exclusions included universal units that lack any vehicle-specific guidance, unbranded items with no technical specs, and systems that require major fabrication or permanent engine modifications. The final list highlights components that balance longevity, install clarity, and routine maintenance convenience while matching the Infiniti G37 integration needs.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing an oil catch can for the Infiniti G37, prioritize fitment and mounting that match the engine bay layout, solid construction, and serviceability features like easy drains or sight gauges. Balance filtration effectiveness with installation complexity to pick a system you will actually maintain. Remember that catch cans reduce oil vapor and residue but require periodic attention. Focus on durable materials, correct hose compatibility, and an install that preserves PCV flow to get the intended longevity and intake cleanliness benefits.
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