Best Automobile Crankcase Ventilation Valves of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 10, 2026

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Automobile crankcase ventilation valves are an essential component for maintaining the proper functioning of an automobile engine. These valves are designed to regulate the flow of air in and out of the engine's crankcase, which helps to prevent the buildup of harmful gases and other contaminants inside the engine. By allowing fresh air to circulate through the engine, these valves help to reduce the risk of engine damage and improve overall performance. There are a variety of different types of crankcase ventilation valves available on the market today, each with their own unique features and benefits. Whether you're looking for increased durability, improved efficiency, or better overall performance, there is a crankcase ventilation valve that will meet your needs.

At a Glance: Our Top Picks

ACDelco Professional Car PCV Valve Cover #TOP 1
ACDelco Professional Car PCV Valve
ftb score rating icon 9.9
stymart Toyota PCV Valve and Hose Kit Cover #TOP 2
stymart Toyota PCV Valve and Hose Kit
ftb score rating icon 9.8
X AUTOHAUX PCV Valve Kit for VW Audi Cover #TOP 3
X AUTOHAUX PCV Valve Kit for VW Audi
ftb score rating icon 9.6

Top 10 Automobile Crankcase Ventilation Valves

#TOP 1

ACDelco Professional Car PCV Valve

19313317
ACDelco Professional Car PCV Valve Cover
ACDelco Gold 19313317 Positive Crankcase Ventilation (PCV) Valve

The ACDelco Professional 19313317 Positive Crankcase Ventilation (PCV) Valve is a professional and premium aftermarket replacement that provides the performance and dependability that you expect from ACDelco. It is manufactured to meet expectations for fit, form, and function, making it a reliable choice for your car's PCV valve replacement needs.

What We Like
Professional and premium aftermarket replacement
Provides expected performance and dependability from ACDelco
Manufactured to meet expectations for fit, form, and function
#TOP 2

stymart Toyota PCV Valve and Hose Kit

12262-28021
stymart Toyota PCV Valve and Hose Kit Cover
Toyota PCV Valve and Hose Kit - Compatible with Camry, Highlander, Scion xb, Rav4, Solara, Corolla, Matrix; Lexus HS250h PCV Hose

The stymart PCV Valve Kit is designed to fit many Toyota and Scion models, such as Camry, Highlander, and Rav4, giving you confidence in compatibility before you buy. It replaces several part numbers, ensuring you get the right fit for your vehicle. Made from high-quality NBR rubber, the hose is durable and built to last, helping you avoid frequent replacements. Installation is simple and straightforward, as this kit is a direct replacement for your original parts. With the stymart PCV Valve Kit, you’ll save time and effort while maintaining your engine’s performance.

What We Like
Wide vehicle compatibility
Multiple part replacement
Durable NBR rubber hose
Easy, direct installation
#TOP 3

X AUTOHAUX PCV Valve Kit for VW Audi

06H103495AH
Black
X AUTOHAUX PCV Valve Kit for VW Audi Cover
X AUTOHAUX PCV Valve Engine Crankcase Vent Oil Separator Breather Hose Exhaust Pipe Kit 06H103495AH for VW Beetle CC Jetta GTI Passat Tiguan for Audi A3 A4 A5 Q5 TT Hard Resistant

The X AUTOHAUX PCV Valve Engine Crankcase Vent Oil Separator Breather Hose Exhaust Pipe Kit is designed for VW and Audi 2.0L 4 Cylinder Turbo-charged Engines, compatible with various models. The PCV Valve Oil Separator can effectively reduce crankcase pressure, improve emissions and operation of the car. Its well air tightness, soft durable sealing gasket with fixed protrusion, and accurate install position ensure better performance, and it comes with necessary parts for easy replacement.

What We Like
Compatible with various VW and Audi models
Effectively reduces crankcase pressure
Improves emissions and operation of the car
#TOP 4

Toyota PCV Valve 12204-37010

12204-37010
Standard
Toyota PCV Valve 12204-37010 Cover
Toyota Pcv Valve - 12204-37010

The Toyota PCV Valve is a reliable replacement part designed to match the original specifications of your vehicle. This valve helps regulate the ventilation in your engine's crankcase, which is essential for maintaining engine performance and reducing emissions. Built with durability in mind, it ensures long-lasting service, so you won’t have to worry about frequent replacements. Its exact fitment means installation is straightforward, saving you time and effort. Choosing the Toyota PCV Valve means you get a product that fits perfectly and functions just like the original, keeping your vehicle running smoothly.

What We Like
Durability
Original specification match
Exact fitment
Reliable ventilation control
#TOP 5

A-Premium PCV Valve Oil Separator for Audi & Volkswagen

SK121128
A-Premium PCV Valve Oil Separator for Audi & Volkswagen Cover
A-Premium PCV Valve Engine Crankcase Vent Valve Oil Separator Breather Hose Kit Compatible with Audi A3 A4 A5 Q5 TT & Volkswagen Jetta Passat Tiguan Beetle GTI CC Eos, 1.8L 2.0L, Replace# 06H103495B

The A-Premium PCV Valve Kit is designed to fit a wide range of Audi and Volkswagen models, including popular cars like the Audi A3, A4, A5, Q5, and Volkswagen Jetta, Passat, and Tiguan. This compatibility ensures you can easily find the right fit for your vehicle. Made from durable Polyamid 6.6 material, the kit includes an oil separator and two breather hoses that help maintain proper engine ventilation. Its pressure-controlled breather valve is installed directly on the cylinder head, offering a straightforward replacement that helps keep your engine running smoothly and reduces emissions.

What We Like
Wide vehicle compatibility
Durable Polyamid 6.6 housing
Includes oil separator and hoses
Pressure-controlled breather valve
Direct fit replacement
#TOP 6

MLAHUIER PCV Valve with Gasket for Honda Acura

Mlahuier-TFFC01
Silver
1.8 inches
MLAHUIER PCV Valve with Gasket for Honda Acura Cover
MLAHUIER PCV Valve with Gasket, PCV Valve Kit Replacement OEM#17130-PND-A01 17130-RBB-A01, Crankcase Ventilation Valve Compatible with Honda CRV Accord Element Civic Acura ILX RSX NSX(Silver)

The MLAHUIER PCV Valve is designed to guide gases from the crankcase back into the intake manifold, helping to prevent engine problems like throttle failure. This means your vehicle runs cleaner and more efficiently, which can improve performance and reduce harmful emissions. It's made to replace specific Honda and Acura parts, so you can be confident it fits your vehicle if the model numbers match. Made from durable aluminum alloy, this valve resists wear and corrosion, ensuring it lasts a long time. With the MLAHUIER PCV Valve, you get reliable engine ventilation that helps keep your car running smoothly and extends engine life.

What We Like
Effective crankcase ventilation
Compatible with multiple Honda and Acura models
Durable aluminum alloy construction
Prevents throttle failure and reduces emissions
#TOP 7

AUTOKAY PCV Valve Kit for Jeep 1997-2004

53013360AA 2946079
AUTOKAY PCV Valve Kit for Jeep 1997-2004 Cover
AUTOKAY 53013360AA PCV CCV Vent Valve Elbows Grommet and Crankcase Vent Tube Breather Hose Kit Fit for Jeep Grand Cherokee Wrangler 2000-2004 Cherokee 1997-2001

The AUTOKAY Jeep PCV Kit is designed to fit Jeep Grand Cherokee models from 2000 to 2004, Jeep Wranglers from 2000 to 2004, and Jeep Cherokees from 1997 to 2001. This kit replaces common part numbers, ensuring a proper fit and reliable function for your vehicle. It includes essential components like PCV valves, grommets, and a crankcase vent tube breather hose, helping you maintain your engine’s ventilation system. By using this kit, you can easily replace worn parts and keep your Jeep running smoothly without hassle.

What We Like
Wide Jeep model compatibility
Includes multiple essential parts
Replaces common OEM part numbers
Supports engine ventilation system
#TOP 8

Figpade PCV Valve Kit for Nissan and Infiniti

Valvula Pcv
Green
Figpade PCV Valve Kit for Nissan and Infiniti Cover
Pcv Valve Replacement,Durable Valve Pcv OEM#11810ea200,118106n202,118106n201,Pcv Valve Kit Compatible with Nissan Altima,Sentra,Armada,Murano,Rogue,Pathfinder,X-Trail

The Figpade PCV Valve is designed to fit a wide range of Nissan and Infiniti models, so you need to check your vehicle’s size and year carefully to ensure a proper fit. This valve helps remove gases from your engine’s crankcase, preventing pressure buildup that can harm your engine. By controlling the pressure and temperature inside the crankcase, it helps protect your engine oil from breaking down, which can extend your engine’s life. Made from durable materials, this valve offers reliable performance even under harsh conditions like extreme heat, cold, or vibration, giving you peace of mind on the road.

What We Like
Wide vehicle compatibility
Prevents crankcase pressure buildup
Protects engine oil quality
Durable material construction
#TOP 9

Toyota PCV Vent Valve 2204-28030

12204-28030
1.125 inches
Toyota PCV Vent Valve 2204-28030 Cover
Toyota Genuine 2204-28030 PCV Vent Valve Sub Assembly

The Toyota PCV Vent Valve is designed to fit a wide range of Toyota models, including Camry, Corolla, Matrix, RAV4, Scion tC, and more, making it a versatile choice for many vehicles. As a genuine Toyota replacement part, it ensures you get the same quality and performance as the original component. This valve is an OEM part, meaning it meets Toyota’s strict standards for durability and reliability. Plus, it comes with a 1-year or 12,000-mile warranty, giving you peace of mind and protection against defects as you maintain your vehicle.

What We Like
Wide vehicle compatibility
Genuine Toyota part
OEM quality assurance
1-year/12k-mile warranty
#TOP 10

Hyundai 26740-3C200 PCV Valve

26740-3C200
Hyundai 26740-3C200 PCV Valve Cover
Genuine Hyundai 26740-3C200 PCV Valve

The Hyundai PCV Valve is designed for a perfect fit, making installation straightforward and hassle-free for you. Its compact size, measuring just over 10 by 5 by 2.5 centimeters, ensures it fits neatly in your vehicle without taking up much space. Weighing only 0.1 pounds, it’s lightweight, adding minimal load to your car’s system. Plus, as an authentic OEM part, you can trust it to meet Hyundai’s quality standards, giving you peace of mind about reliability and performance. This valve is a practical choice if you want a direct replacement that works well and fits right.

What We Like
Easy installation
Compact size
Lightweight design
OEM quality assurance
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What does a crankcase vent valve do?

A crankcase vent valve, also known as a positive crankcase ventilation (PCV) valve, is responsible for introducing filtered fresh air into the crankcase. It uses the engine's vacuum to pull air through the crankcase and reintroduce it back into the intake manifold system.

2. What happens when a crankcase ventilation system goes bad?

When a crankcase ventilation system goes bad, such as a faulty PCV valve, it may not close properly, allowing oxygen to enter the combustion chamber. This can result in a diluted fuel and air mixture, causing the vehicle to run poorly and lean out.

3. What happens to the engine oil if the crankcase breather system does not work correctly?

If the crankcase breather system is not functioning correctly, it can lead to oil leaks. The crankcase filter is responsible for filtering the blow-by gases to ensure they are clean before being redirected back into the vehicle's intake manifold. A bad filter can result in oil leaks.

4. What happens if the CCV filter is clogged?

A clogged CCV (Crankcase Ventilation) filter can cause vacuum leaks, which disrupts the air-fuel ratio and decreases engine performance. This can result in a decrease in power and acceleration, particularly at low engine speeds.

5. Can you replace a PCV valve yourself?

Yes, replacing a faulty PCV valve is a project that can typically be done by yourself. Start by locating the PCV valve, which is usually found on the passenger side oil fill tube. It's important to replace a faulty PCV valve to prevent further damage to the vehicle.

Editor's Notes

During our automobile crankcase ventilation valve research, we found 24 automobile crankcase ventilation valve products and shortlisted 10 quality products. We collected and analyzed 9,113 customer reviews through our big data system to write the automobile crankcase ventilation valves list. We found that most customers choose automobile crankcase ventilation valves with an average price of $12.60.

The automobile crankcase ventilation valves are available for purchase. We have researched hundreds of brands and picked the top brands of automobile crankcase ventilation valves, including ACDelco, stymart, X AUTOHAUX, Toyota, A-Premium. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.