What is the function and operation of the Positive Crankcase Ventilation (PCV) system and PCV Valve on Hyundai Elantra?

Positive Crankcase Ventilation (PCV) helps in minimizing the emission of hydrocarbons due to crankcase vapors to the atmosphere; Fresh air is circulated through PCV valve from the air cleaner goes to crankcase, mixes blow-by gases and is sent to the intake manifold through the PCV system. The major parts of the PCV system are the PCV valve, which is mounted on the valve cover and both hoses; one of the hose links the air intake duct to the valve cover housing where it provides fresh air to the crankcase and the other links the valve cover PCV valve to the air intake plenum where it carries the crankcase emission of the engine. During the deceleration and idle when intake vaccum is high, the PCV valve minimizes the amount of crankcase emissions for richness of the mixture to achieve good idle quality. On the other hand, when the throttle valve is open during acceleration and steady cruising speed the PCV valve opens further to allow the flow. When there are other irregular operations like damaged piston rings then the blow-by gases have direct access to the crankcase vent hose then to the take-air duct. Operation checks and replacement of the PCV valve and the filter are among the required regular services.

Genuine Hyundai Elantra PCV Valve

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4 PCV Valves found

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Hyundai Elantra Valve-PCV
Part Number: 26740-2G000
$24.60 MSRP: $31.78
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Product Specifications
- Other Name: Valve-Proportioning Control Valve; PCV Valve, Purge Solenoid
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2011-2023 Hyundai Elantra | DOHC - GDI, DOHC - MPI, DOHC - TCI/GDI | Coupe - 2Door 5P, Sedan - 4Door 5P
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Hyundai Elantra Valve-PCV
Part Number: 26740-32804
$26.46 MSRP: $36.85
You Save: $10.39 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve-Proportioning Control Valve; PCV Valve
- Replaces: 26740-32800
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2016-2020 Hyundai Elantra | DOHC - TCI/GDI | Sedan - 4Door 5P
- 1991-2000 Hyundai Elantra | High Grade, Middle Grade | 4 Door, 5 Door Wagon 5
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Hyundai Elantra Valve-PCV
Part Number: 26740-21314
$24.84 MSRP: $32.10
You Save: $7.26 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve-Proportioning Control Valve; PCV Valve
- Replaces: 26740-21330
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2000-2010 Hyundai Elantra | High Grade, Middle Grade | DOHC - MPI | 4 Door Sedan, 5 Door Sedan, Sedan - 4Door 5P
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Hyundai Elantra Valve-PCV
Part Number: 26740-2M000
$81.93 MSRP: $115.12
You Save: $33.19 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: PCV Valve
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2021-2023 Hyundai Elantra | DOHC - MPI, DOHC - TCI/GDI | Sedan - 4Door 5P

Hyundai Elantra PCV Valve

The Hyundai Elantra PCV Valve keeps crankcase fumes from lingering by channeling them back into the cylinders where they burn completely, boosting efficiency and cutting harmful emissions. Working off intake manifold vacuum, the valve stays mostly closed at idle when suction is strong, then opens wider as the engine speeds up so growing blow-by gases escape in a controlled stream, meaning the engine of any Hyundai or Elantra from older generations to today avoids oil sludge and power loss. Inside, this PCV Valve design uses a calibrated plunger that doubles as a flame stopper, guarding the crankcase if a backfire or turbo surge tries to push pressure the wrong way. Many years use the same one-piece spring-loaded style, yet some later Elantra models pair that familiar PCV Valve with an added oil separator that filters out mist before vapors re-enter the intake, the main difference being extra protection against oil consumption while the core routing principle stays identical. Regular inspection of this small Hyundai part, keeping a functional PCV Valve in place, and prompt swapping of a tired PCV Valve ensures every Hyundai engine stays lively and every Elantra driver enjoys cleaner air.

If you are looking for affordable high-quality OEM Hyundai Elantra PCV Valve, then you have come to the prime place. Our website provides a large amount of genuine Hyundai Elantra PCV Valve at unbeatable prices. All our parts come backed with the manufacturer's warranty.

Hyundai Elantra PCV Valve Parts Questions & Experts Answers

Valve-PCV
26740-2G000
Q: What is the function and operation of the Positive Crankcase Ventilation (PCV) system and PCV Valve on Hyundai Elantra?
A:
Positive Crankcase Ventilation (PCV) helps in minimizing the emission of hydrocarbons due to crankcase vapors to the atmosphere; Fresh air is circulated through PCV valve from the air cleaner goes to crankcase, mixes blow-by gases and is sent to the intake manifold through the PCV system. The major parts of the PCV system are the PCV valve, which is mounted on the valve cover and both hoses; one of the hose links the air intake duct to the valve cover housing where it provides fresh air to the crankcase and the other links the valve cover PCV valve to the air intake plenum where it carries the crankcase emission of the engine. During the deceleration and idle when intake vaccum is high, the PCV valve minimizes the amount of crankcase emissions for richness of the mixture to achieve good idle quality. On the other hand, when the throttle valve is open during acceleration and steady cruising speed the PCV valve opens further to allow the flow. When there are other irregular operations like damaged piston rings then the blow-by gases have direct access to the crankcase vent hose then to the take-air duct. Operation checks and replacement of the PCV valve and the filter are among the required regular services.