The 11 Best Crankcase Vent Systems (2022 reviews)

If you often find yourself confused about a good system, Aa Ignition Crankcase Vent System is your solution. The aa ignition crankcase vent system comes complete with a 2 year warranty. The manufacturer says: All of our hoses undergo strict quality control not just before shipping but throughout the production process. This crankcase vent valve breather hose kit includes the crankcase pressure regulator valve and 4 breather hoses.

The system buy again and it comes with an awesome price. Moreover, the system allows for a lifetime warranty and it provides great value. Finally, the aa ignition crankcase vent system fits well and it works great.

Almost all customers quickly discovered that the system works for the 2006 530i. In addition, a few strongly agree that the system fits 2002 x5 3.0i sport utility e53 3.0l l6. And, they say that the system can only speak for 323i fit. To sum up, for most buyers, Aa Ignition product was what they were looking for.

Top Customer Quotes:

This offers more at a reasonable price, is great for decent quality and it works properly.
This is a compatible replacement part manufactured by aa ignition.
This is easy to install but that's because of the BMW engine design.
This is designed for the e53 bmw x5.

Best For Direct Replacement: Benefast Crankcase Vent System

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Next on the list, we've got yet another system that manages to win our hearts. It's the Benefast Crankcase Vent System and it's widely considered as the system that has the most suitable features. The benefast crankcase vent system is yellow and it allows for cheap replacement. When it happens on your bmw cars, you can take this pcv hose kit for direct replacement. The crankcase vent system separates liquid oil from the air inside the engine and intake.

The system is used to purge oil vapor from the engine block into the valve cover. Above all, the benefast crankcase vent system comes with a direct fit and it fits well.

One customer says - "Every thing is in the kit and it all fits well. ". Almost all buyers agree that the system is a couple of inches too short. To sum up, most buyers agree that the system suits them best, and no one questions it.

Why We Like This:

This provides for easy replacement and it fits perfectly.
The Manufacturer says: this is a compatible replacement part manufactured by our factory.
This is often a howling noise followed by numerous oil leaks.
This worked fine and it is convertible.

Best For Cheap Price: Okay Motor Crankcase Vent System

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The Okay Motor Crankcase Vent System gives the top-tier system a run for their money by offering flagship specs at a much more affordable price. The okay motor crankcase vent system is very happy and it is great for a cheap price. Pcv crankcase breather hose for 328i 528i xdrive 128i 328xi 528xi x3 x5 z4 n52 3.0l l6. In addition, it fits the following vehicles, fit perfectly and it is convertible. Most importantly, the okay motor crankcase vent system comes with fit right and it can be trusted for good quality.

Most buyers opine that the system is easy to back off and cause a vacuum leak. And, a few say that the system has been over a month and everything looks good. And, they also found that the system is great for cold zone 2, 3 and 4. In conclusion, most customers agree that the system suits them best, and no one questions it.

Why We Like This:

Application: e60 e82 e90 e91 e92 e93 z4 x3 x5 n52 3.0l l6.
Crank case vent hose (3-way hose) for pcv system.
Part #: 11-15-7-559-528, 11 15 7 559 528, 11157559528.

Best With Fast Shipping: Quwei Crankcase Vent System

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The Quwei Crankcase Vent System is suitable and reliable and fits well with your regular use. The quwei crankcase vent system is great for decent quality and it comes with product dimensions. Make sure this fits by entering your model number. And, the system is perfect for the cheap price, is easy to use and it fits well.

Above all, the quwei crankcase vent system worked perfectly. is made with fast shipping and it comes with quick shipping.

Almost all buyers found that the system will make those misfires go away. And, a few strongly agree that the system is so brittle it fell apart while removing. Moreover, they say that the system comes with the m52btu engine's. To sum up, the tone of buyers is very positive and we believe that the system suits the purpose.

Top Customer Quotes:

Application guides: e83 x3 e84 z4 z3 e39 e46 e60.
Replace OEM part number: 11617501566, 11617504535, 11617504536, 11611432559, 11157532649.
This is affordable and it comes with an awesome price.
This has replaced oem part number and it is designed for a good fit.

Best For Premium Quality: Ensun Crankcase Vent System

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Compared with other systems in this category, the Ensun Crankcase Vent System has a design with broader appeal. The ensun crankcase ventsystem is designed to withstand exposure to extreme temperatures and oil vapors to resist cracking and leaking. The Manufacturer says: Running all the dealer cataloging systems, we can provide the service, information, and exact fitments you need to make your buying experience with us easy and painless. Moreover, it comes with direct fit and it is fit well.

Lastly, the ensun crankcase vent system has undergone try-on and material testing to ensure a quality fit and long service life.

Almost all buyers quickly discovered that the system fits like oem and it is a perfect fit for the 2006 bmw 330i e90 sport. Further, they say that this kit is good quality at an unbeatable price.

Why We Like This:

This convertible, is great for the original part and it can ask for good quality.
The Manufacturer says: all of our parts undergo strict quality control throughout the production process.
This is highly recommended and also offers original equipment quality at a competitive price.
This allows for a great fit, works well and it works well.

Best For Exact Fit: Auto Parts Prodigy Crankcase Vent System

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The Auto Parts Prodigy Crankcase Vent System should be able to handle its purpose and duties with ease. The auto parts prodigy crankcasevent system fits the following vehicles and it is made with the right parts. This crankcase vent hose kit for your bmw comes complete with a 1 year warranty. This pcv hose kit is constructed of a high - temperature plastic that will last longer compared to the factory hoses.

The system is a brand new fuel injection pump installed gasket kit. And, this includes all 5 pcv components that commonly fail. Lastly, the auto parts prodigy crankcase vent system includes most 3 series and 5 series models from 1997.

Almost all buyers quickly discovered that the system fits, but it’s a bear to install.

Why We Like This:

This works perfectly, is great for speedy delivery and it works great.
Good investment for the long term.

Best With Part Number: Surwit Crankcase Vent System

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The Surwit Crankcase Vent System is capable of outshining several other systems featured in this list in overall features in its price range. The surwit crankcase vent system is a system that was developed to remove harmful vapors from the engine and to prevent those vapors from being expelled into the atmosphere. Make sure this fits by entering your model number. Note: If the pcv valve hose is clogged or has a leak, it may cause poor fuel economy.

The system is because the vacuum on the intake side of the cylinder head will not be able to properly signal the correct amount of fuel that needs to be fed into the engine and can result in a lean or rich engine condition. And, it can be from a loss of vacuum due to the hose not working properly because of a leak, the hose being pinched, or becoming clogged from buildup over time. Lastly, the surwit crankcase vent system allows for a great fit and it is convertible.

"They are OK, you have to coach them to lock. " - says, one customer. To sum up, the tone of buyers is very positive and we believe that the system suits the purpose.

Why We Like This:

Customers can find the product you need accurately according to the number.
Good brand reputation.

Best For Original Part: Autogrills Crankcase Vent System

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Autogrills make beautiful and great systems with classic and smartly chosen materials. The autogrill crankcase ventsystem is great for the original part and it is convertible. The manufacturer says: You will get a year 's shelf life for our store. The supplied crankcasevent hose from the valve cover fits for bmw x1 x3 x4 x5 x6 135i 535i 640i.

Lastly, the Autogrills Crankcase Vent System has replaced numbers and it is super easy.

One customer says - "You will break the original breather tube due to the plastic becoming brittle over the life of the car. ". Almost all buyers quickly discovered that the system is a perfect fit for the 2014 bmw 535i.

Why We Like This:

Manufacturer says: we will reply to you within 24 hours.
Replace # - crankcase vent pipe replace 11127584128.
New and hot releases.

Best For Decent Quality: Uro Parts Crankcase Vent System

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We would, of course, be remiss if we didn't mention Uro Parts Crankcase Vent System for daily usage. The uro parts crankcase vent system is good for quality part, is great for decent quality and it works great. Make sure this fits by entering your model number. Also, the system is superior to failure-prone oem parts in design and/or materials.

Most importantly, the uro parts crankcase vent system is often the exclusive aftermarket alternative to overpriced components from the parts counter at your local luxury auto dealership.

Almost all buyers opine that the system is a perfect fit, cleared codes for system too lean. Also, a few say that the system is easy to install and cheaper priced than the local dealership. Further, they also found that this valve is for the 4.2l engine in that model and year.

Why We Like This:

Durable, high-quality materials are corrosion-resistant and withstand oil vapor and intense engine heat.
This is manufactured to order dimensions for easy installation.
This allows for a great deal and it is good for good quality.
This is constructed with high-quality, installed easily and it is built with high-quality materials.

Best For Perfect Match: Waterwich Crankcase Vent System

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The Waterwich line of systems comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. Moreover, the system provides reliable, efficient cooling and note: if the pcv valve is clogged, the polluting gas flows back into the air filter. The pcv valve is important, avoids the phenomenon of freezing at the throttle, insufficient combustion, deterioration of emissions. Make sure this fits by entering your model number. Most importantly, the Waterwich Crankcase Vent System is effective and it works fine.

"So have these parts checked if you have these conditions. " - says, one customer. In conclusion, most customers found the system suited best, and no one questions it.

Why We Like This:

"3.replaces oem part numbers: 11617501566 11157532649 11617504535 11617504536,11611432559.
Lot of satisfied buyers.

Best For Easy Install: Usonline911 Crankcase Vent System

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The Usonline911 Crankcase Vent System is capable of outshining several other systems featured in this list in overall features for the price point. The usonline911 crankcase vent system is a good buy and it comes with fit right. While this is not a genuine oem part, this air intake hose is modeled after the factory hoses for an exact fit on you. This pcv hose kit is constructed of a high - temperature plastic that will last longer compared to the factory hoses.

The system fits well and it can be trusted for good quality. Most importantly, the usonline911 crankcase vent system is designed for good fit and it comes in with direct fit.

One customer says - "Most importantly, make sure you have an oil dipstick gasket because those are one - - - time use o-rings. ". Almost all buyers found that the system is true that the orange o-rings are too large.

Why We Like This:

3 x breather hoses - oe no. 11611432559, 11157532649 & 11617504536.
Good brand reputation.