Best Car PCV Valves of 2026
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Car PCV valves are an essential component of any vehicle's engine system. These valves work to regulate the flow of gases in the engine, ensuring that harmful gases are released safely into the environment. By allowing fresh air into the engine, PCV valves help to maintain optimal performance and fuel efficiency. Without proper functioning PCV valves, engines can experience reduced power and performance, increased emissions, and even damage to internal components. It is important to regularly inspect and replace PCV valves as needed to ensure the continued health and longevity of your vehicle's engine.
At a Glance: Our Top Picks
Top 10 Car PCV Valves
Genuine Hyundai PCV Valve
The Genuine Hyundai PCV Valve is a high-quality OEM factory part that offers an exact fit and durability. As a genuine OEM product, it is designed specifically for Hyundai vehicles, ensuring the best in quality. The PCV valve plays a crucial role in maintaining the proper functioning of the vehicle's emission control system. By allowing the engine to breathe properly and preventing the build-up of harmful gases, this PCV valve helps to improve fuel efficiency and reduce emissions. With its durability and exact fit, the Genuine Hyundai PCV Valve is a reliable choice for maintaining the performance and longevity of your Hyundai vehicle.
Dorman PCV Valve Assembly
The Dorman Valve Assembly is a direct replacement for the original PCV valve on specified vehicles. When the original valve fails, this valve is designed to fit and fully restore part functionality. Made from quality materials, it ensures reliable performance and a long service life. Backed by a team of product experts in the United States and over a century of automotive experience, this valve is of trustworthy quality. To ensure a perfect fit for your vehicle, simply input your make, model, and trim level into the garage tool. With the Dorman Valve Assembly, you can easily replace your PCV valve and enjoy restored functionality, durability, and peace of mind.
ACDelco Professional PCV Valve
The ACDelco Professional 19313320 PCV Valve is a premium aftermarket replacement designed to provide the performance and dependability you expect from ACDelco. It is manufactured to meet expectations for fit, form, and function, making it an excellent choice for your automobile's crankcase ventilation needs.
Honda 17130-PND-A01 PCV Valve Assembly
The Honda PCV Valve is an original equipment manufacturer (OEM) part, ensuring high quality and perfect fit for your vehicle. Its compact packaging measures just over 10 centimeters long and about 11 centimeters wide, making it easy to store and handle. Weighing only 0.045 kilograms, it’s lightweight, so installation won’t add unnecessary bulk to your engine system. Although made in China, this valve meets Honda's strict standards, giving you peace of mind about its reliability and performance when you replace or maintain your car’s PCV system.
A-Premium PCV Valve Oil Separator for Audi & Volkswagen
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.
Standard Motor Products V178 PCV Valve
The Standard PCV Valve is a vehicle-specific part that is designed to regulate the flow of crankcase gases and reduce harmful emissions. Made in China, this PCV valve has a package height of 1.2 inches, a package length of 3.0 inches, and a package width of 1.2 inches. With its fit type being vehicle specific, this PCV valve is compatible with a wide range of vehicles. The compact size of the valve makes it easy to install and ensures a proper fit. By effectively controlling the flow of crankcase gases, this PCV valve helps to improve engine performance and fuel efficiency. It also plays a crucial role in reducing air pollution, making it an essential component for any vehicle.
Honda 17130-5A2-A01 PCV Valve Assembly
The Honda PCV Valve is a genuine OEM part designed to fit your vehicle perfectly, ensuring reliable performance without any modifications. This valve is built to last, offering durability that helps you avoid frequent replacements and maintenance hassles. You can trust its high quality, as it meets strict factory standards, providing consistent operation for your engine’s ventilation system. By choosing this part, you get an exact match for your Honda, which means easy installation and peace of mind knowing you’re using a product made specifically for your car.
Honda PCV Valve Assembly 17130-RCA-A02
The Honda PCV Valve is a genuine OEM component designed specifically for your vehicle. This means you can trust its quality and compatibility with your Honda model. By using this authentic part, you ensure optimal performance in regulating the engine's crankcase pressure. A reliable PCV valve helps improve engine efficiency, which can lead to better fuel economy. Additionally, it aids in reducing harmful emissions, contributing to a cleaner environment. Installing the Honda PCV Valve can enhance your vehicle's overall performance and longevity, giving you peace of mind on the road.
MLAHUIER PCV Valve with Gasket for Honda Acura
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.
AUGREX Crankcase Vent Hose for BMW X Series
The AUGREX BMW Vent Hose is designed to fit various BMW models including X1, X3, X4, X5, X6, and select series like 135i, 535i, and 640i. This hose plays a key role in your engine’s crankcase ventilation system by channeling oil vapor from the valve cover to the intake manifold, helping to protect your engine oil and reduce leaks. Made from high-quality materials, it ensures durability and resists water damage. Installation is straightforward and hassle-free, as it fits directly without needing any modifications, cuts, or drills. This means you can easily replace the old hose and maintain your vehicle’s performance with confidence.
Frequently Asked Questions (FAQs)
1. What happens when PCV valve goes bad?
A malfunctioning PCV valve can disrupt the air to fuel mixture in your car, leading to poor performance, rough idling, and misfires. Although these issues may not cause immediate damage, neglecting to fix the problem can result in lasting damage to your car's engine. It is important to promptly address a bad PCV valve to maintain the optimal functioning of your vehicle.
2. Can a car run with a bad PCV valve?
While it is possible to continue operating a car with a bad PCV valve, it is not recommended. A faulty valve can corrode the engine over time. The PCV valve plays a crucial role in maintaining the balance of the engine and preventing damage. It is best to replace a bad PCV valve to ensure the longevity and performance of your vehicle.
3. How do I know my PCV valve is bad?
You can identify a faulty PCV valve through various symptoms. If your engine is difficult to start, idles roughly, misfires, and consumes more oil than usual, it indicates that the PCV valve is stuck in the open position. These signs suggest that the PCV valve may need replacing to restore proper engine function.
4. Will a new PCV valve make my car run better?
Yes, a new PCV valve can improve the performance of your car. The PCV system plays a vital role in maintaining a cleaner exhaust, preventing blowby at seals and gaskets, removing crankcase gases, and allowing the engine to run more efficiently. With a new PCV valve, you can expect better fuel mileage and overall improved engine performance.
5. What happens if you don't replace PCV?
Neglecting to replace a faulty PCV valve can result in a rough idle, sluggish acceleration, and increased oil consumption. If the valve fails to open and close as needed or if any part of the system becomes clogged, it can negatively impact the engine's performance. To avoid these issues, it is important to replace a worn-out PCV valve in a timely manner.
During our car pcv valve research, we found 24 car pcv valve products and shortlisted 10 quality products. We collected and analyzed 26,367 customer reviews through our big data system to write the car pcv valves list. We found that most customers choose car pcv valves with an average price of $17.73.
The car pcv valves are available for purchase. We have researched hundreds of brands and picked the top brands of car pcv valves, including HYUNDAI, Dorman, ACDelco, Honda, A-Premium. The seller of top 1 product has received honest feedback from 198 consumers with an average rating of 4.7.
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.
Car PCV Valves Comparison Table
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| Brand | HYUNDAI | Dorman | ACDelco | Honda | A-Premium | Standard Motor Products | Honda | Honda | MLAHUIER | AUGREX |
| Material | Metal | Metal | Metal | Aluminum | Plastic | Metal | Metal | Metal | Metal | - |
| Inlet Connection Type | Barb | positive crankcase ventilation | Barb | Barb | National Pipe Tapered | Compression | Flange | Barb | Threaded | - |
| Outlet Connection Type | Barb | positive crankcase ventilation | Barb | Barb | NPT | Compression | Barb | Barb | NPT | - |
| Exterior Finish | Smooth | Ready To Paint If Needed | Machined | Smooth | - | Painted | Smooth | Smooth | Aluminum, Polished | - |
| Number of Ports | 2 | - | 2 | 2 | 6 | 2 | 2 | 1 | 2 | - |
| Item dimensions L x W x H | 2.36 x 1.97 x 0.39 inches | 5 x 3.15 x 11 inches | 3.6 x 2.2 x 1.7 inches | - | - | 1.5 x 1.2 x 2.9 inches | - | - | 1.8 x 0.93 x 0.93 inches | - |
| Outlet Connection Size | 0.25 Inches | 0.25 Inches | 1 Inches | - | - | 0.13 Inches | - | - | 0.54 Inches | - |
| Specification Met | - | - | EPA | oem | - | API 609 | oem | oem | - | - |
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