Best Car Crankcase Ventilation Valves of 2026

Name: Aiyomi PCV Valve Cover Repair Kit for BMW Mini
Brand: Aiyomi

Joseph Prokop

Last Updated: 11 Feb 2025

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Car crankcase ventilation valves are an essential component of any vehicle's engine system. These valves are responsible for regulating the flow of gases and oil vapours that are produced within the engine crankcase. They play a crucial role in maintaining engine performance, preventing oil leaks, and reducing harmful emissions. By directing these gases back into the engine's intake system, the valves help to improve fuel efficiency and reduce the amount of pollutants released into the environment. There are various types of crankcase ventilation valves available in the market, each designed to meet specific engine requirements.

At a Glance: Our Top Picks

#TOP 1

Aiyomi PCV Valve Cover Repair Kit for BMW Mini

9.9

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#TOP 2

PCV Valve and Breather Hose Set for Audi

9.8

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#TOP 3

PCV Crankcase Breather Valve Hose for Audi and VW

9.6

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Top 10 Car Crankcase Ventilation Valves

#TOP 1

Aiyomi PCV Valve Cover Repair Kit for BMW Mini

Aiyomi
11127646554

Aiyomi PCV Valve Cover Repair Kit Fit Car Engine Exhaust Cap for BMW Mini Cooper R55 R56 R57 Replacement 11127646554

The Aiyomi PCV Repair Kit is designed specifically for your BMW Mini Cooper R55, R56, and R57 models. With OEM numbers 11127646554 and 11127567791, it ensures a precise fit. This kit is 100% brand-new and easy to install, allowing you to replace your old or broken PCV valve cover effortlessly. By using this direct replacement, you can maintain optimal engine performance and reduce the chances of leaks or malfunctions, giving you peace of mind on the road.

9.9

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What We Like

Easy to install
Direct replacement for old parts
Perfect fit for specific models
100% brand-new condition

#TOP 2

PCV Valve and Breather Hose Set for Audi

HouYeen
06F129101C
Black

PCV Crankcase Ventilation Valve and Breather Hose Set for Au-di A3 8P A4 B7 8E A6 C6 4F TT Toledo Mk3 Golf Mk6 Altea XL Leon 1P Polo 6R 6C 2.0

The HouYeen PCV Valve Set is designed for various Audi, Seat, Skoda, and VW models, ensuring compatibility with your vehicle. It features multiple reference OE numbers, making it easy for you to find the right fit for your car. This set includes a crankcase ventilation valve and a gasket, which help maintain optimal engine performance by preventing oil leaks and improving air circulation. Additionally, the set comes with two breather hoses, providing convenience in installation and enhancing your vehicle's overall efficiency.

9.8

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What We Like

Compatible with multiple car models
Includes essential installation components
Improves engine performance
Prevents oil leaks
Easy to install

#TOP 3

PCV Crankcase Breather Valve Hose for Audi and VW

temproad
Black

PCV Crankcase Breather Valve Vent Hose Pipe Compatible with for A3 06F103221E

The PCV Breather Hose is an essential replacement part compatible with various Audi and VW models. It features a reference part number of 06F103221E, ensuring you're selecting the right product for your vehicle. The hose is designed for easy installation, allowing you to replace it without hassle. Its stable characteristics and high reliability mean you can trust it to perform well under various conditions, helping to maintain your car's engine efficiency. This product is particularly useful for those looking to enhance the crankcase ventilation of their vehicles.

9.6

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What We Like

Compatible with multiple models
Easy installation process
Stable and reliable performance
High-quality replacement part

#TOP 4

HouYeen PCV Valve Membrane for Various Models

HouYeen
0248.L1

HouYeen PCV Valve Chamber Cover Membrane for Fiesta mk6 mk5 Focus mk2 Transit Cmax 1.6 TDCi 1007 206 3008 C2 C3 C4 Berlingo DS3 Dispatch 1.6 HDI S40 V50 1.6 D R55

The HouYeen PCV Valve Membrane is compatible with a wide range of vehicles, including models from Citroen, Peugeot, Ford, and Volvo. With a diameter of 2.2 inches, this membrane ensures proper crankcase ventilation, which is essential for maintaining engine performance. By using this product, you can help prevent oil leaks and improve engine efficiency. It fits various models, making it convenient for users with multiple vehicles. Overall, it is an excellent choice for keeping your car's engine running smoothly.

9.6

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What We Like

Wide compatibility with various brands
Easy installation
Improves engine performance
Prevents oil leaks

#TOP 5

Uxcell PCV Valve for Hyundai Vehicles

Uxcell
2674032804/2674026700
Black
2.60"x0.63"

uxcell PCV Valve Exhaust Valve Fittings for Hyundai Accent No.2674032804

The Uxcell PCV Valve is designed to fit various Hyundai models, including the Accent and Elantra, ensuring compatibility with a wide range of vehicles from 1992 to 2021. Made from durable metal material, this valve is wear-resistant and helps prevent cracking, providing long-lasting performance. By directly replacing your old PCV valve, it effectively addresses issues such as clogging and increased fuel consumption, ultimately protecting your engine from potential damage. Be sure to check the part number to confirm the correct fit for your vehicle.

9.4

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What We Like

Durable metal construction
Direct replacement for old valves
Compatible with many Hyundai models
Helps reduce fuel consumption

#TOP 6

Pulchra PCV Valve Cover Repair Kit for Peugeot

Pulchra
0248L1
Red and Black

Pulchra PCV Valve Cover Repair Kit Car Engine Exhaust Cap Fit for Peugeot 206 207 307 308 Focus MK2 C-Max Citroen Berlingo Picasso Exhaust Cover Replacement 0248L1 1479837

The Pulchra PCV Repair Kit is essential for maintaining your vehicle's performance. It features OEM numbers 0248L1 and 1479837, ensuring a perfect fit for Peugeot models such as the 206, 207, 307, 308, and Citroen variants. This product comes in a brand-new condition, making it a reliable choice for replacing your old or damaged valve cover. With its easy installation process, you can quickly enhance your car's exhaust system, restoring its functionality without hassle.

9.3

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What We Like

Direct replacement for old parts
Easy to install
100% brand-new condition
Fits multiple Peugeot models
OEM compatibility

#TOP 7

febi bilstein Crankcase Bleed Valve for Mercedes

febi bilstein
102362

febi bilstein 102362 Crankcase Bleed Valve

The febi bilstein Crankcase Valve is an original replacement part that assures quality with its German manufacturing. Made from durable plastic, it weighs just 0.070 kg, making it lightweight and easy to handle. With a connector diameter of 10 mm, it ensures a secure fit for your vehicle. To ensure compatibility, you can easily use the vehicle identification feature. This valve is specifically designed for various Mercedes Benz models, including the C-Class and E-Class, providing a tailored solution for your car's needs.

9.3

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What We Like

Original replacement part
Lightweight and durable material
Easy vehicle compatibility check
Designed for multiple Mercedes models

#TOP 8

PCV Valve Cover for Citroen Models

KIMISS
KIMISSs2g4u1z3cf

PCV Valve Cover Membrane for Citroen C4 DS3 DS5 B78 M3 M4 JUMPY III

The KIMISS PCV Valve Cover is an essential replacement for your Citroen C4, DS3, DS5, and other compatible models. Designed to fit perfectly, this part ensures a straightforward installation without the need for complicated operations. It meets high safety and quality standards, providing you with reliability and efficiency. Made from durable ABS plastic and metal, this valve cover promises a long service life, allowing you to maintain your vehicle's optimal performance with ease.

9.3

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What We Like

Direct replacement for old parts
High-quality and reliable performance
Durable materials for longevity
Easy installation process

#TOP 9

PCV Membrane Repair Kit for BMW Mini

N\A
11127646554
Black

PCV Membrane Repair Kit Valve Cover Cap Fit Compatible with BMW Mini R55 R56 R57 R58 N12 N16 11127646554

The BMW Mini PCV Kit is designed for easy installation without the need for extra adjustments. It fits perfectly between the crankcase ventilation system and the intake system, ensuring a seamless integration. This kit is compatible with various MINI Cooper Base engines, including models R55, R56, R57, R58, R59, R60, and R61. Before purchasing, it’s advisable to compare your original part to ensure this kit meets your needs, providing you with the confidence that you’re making the right choice.

9.3

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What We Like

Easy installation process
Compatible with multiple MINI models
No extra adjustments needed

#TOP 10

PCV Valve Cover Repair Kit for Mini

Akozon
Akozonn3ey8g4op01471

pcv valve r56 mini + PCV Engine Cylinder Head Valve Cover,11127646552 Valve Cover PCV Valve Membrane Repair Kit Fit for Mini Countryman Paceman

The Mini PCV Valve Kit is designed for excellent performance, ensuring the cylinder head valve cover operates reliably. Crafted from high-quality materials, it resists damage and provides a long service life, which means less hassle for you. Its compatibility with various Mini models makes it a versatile choice for owners. Additionally, the kit meets professional manufacturing standards, allowing for direct installation that can enhance your vehicle's performance with ease.

9.2

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What We Like

High-quality materials
Easy to install
Excellent performance
Versatile compatibility

Frequently Asked Questions (FAQs)

1. What does a crankcase vent valve do?

A crankcase ventilation system removes unwanted gases from the crankcase of an internal combustion engine. The system usually consists of a tube, a one-way valve and a vacuum source (such as the intake manifold).

2. What happens when PCV valve fails?

As the PCV valve starts going bad, the performance of your vehicle will get worse. This can be exhibited by a buildup of pressure in the exhaust or the engine could stall out. The bad PCV valve may not close all the way, so oxygen may get into the combustion chamber.

3. Is crankcase ventilation necessary?

The crankcase ventilation system is more important than people know. When there's a problem, it can cause oil sludge build-up, oil leaks, and oil consumption. Most engines have the following problems: Churning oil creates pressure.

Editor's Notes

During our car crankcase ventilation valve research, we found 306 car crankcase ventilation valve products and shortlisted 10 quality products. We collected and analyzed 3,787 customer reviews through our big data system to write the car crankcase ventilation valves list. We found that most customers choose car crankcase ventilation valves with an average price of £8.09.

The car crankcase ventilation valves are available for purchase. We have researched hundreds of brands and picked the top brands of car crankcase ventilation valves, including Aiyomi, HouYeen, temproad, Uxcell, Pulchra. The seller of top 1 product has received honest feedback from 318 consumers with an average rating of 4.9.

Written by

Joseph Prokop

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.