Men's Clothing

The Best Automotive Replacement Emission Air Bypass Valves

1 min read WeKompare Editorial Team Products verified: July 18, 2026 10 products compared

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Ensuring your vehicle's emissions system functions correctly is vital for environmental compliance and optimal engine performance. A faulty air bypass valve can lead to rough idling, poor fuel economy, and failed emissions tests. Selecting the right replacement valve is crucial for restoring your car's efficiency and adhering to regulations.

No. 1
GM Genuine Parts 12633355 Charge Air Bypass Valve Solenoid
GM Genuine Parts 12633355 Charge Air Bypass Valve Solenoid
  • Helps regulate air pressure entering your vehicleÆs engine
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
$47.47 Amazon Prime
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No. 2
AITKEN Turbo Bypass Solenoid Charge Air Bypass Regulator Solenoid Valve Compatible with Buick Encore...
AITKEN Turbo Bypass Solenoid Charge Air Bypass Regulator Solenoid Valve Compatible with Buick Encore...
  • Charge Air Bypass Solenoid (aka Bypass Valve Solenoid/Intake Bypass Control Solenoid) – Core Intake Pressure Regulator: As a key turbocharged intake system component, it controls bypass valve actuation to stabilize manifold air pressure. This...
  • According to the known information, the fault manifestations of this Charge Air Bypass Solenoid mainly include：loss of power, smoke from the tail pipe, acceleration hesitation, stalling, a burning oil odor (potentially stemming from an oil leak), and an...
  • High-Efficiency Intake Bypass Control Solenoid (Bypass Solenoid for Short): It balances turbocharged intake pressure to ensure smooth engine power output (its key function). Replacing a faulty unit eliminates recurring flow restrictions, wipes out burning...
  • Reference Number: 55559239, 55574902, 70115800, 70347300, 70383301.
  • Vehicle Fitment: This Turbocharger Boost Solenoid is compatible with Buick Encore 2013-2020, Chevy Cruze 2011-2015, Chevy Cruze Limited 2016, Chevy Sonic 2012-2020, Chevy Trax 2013-2020. 1.4L (RPO LUV) engine.
$14.99
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No. 3
GM Genuine Parts 55574902 Turbocharger Intercooler Bypass Valve
GM Genuine Parts 55574902 Turbocharger Intercooler Bypass Valve
  • Made in Germany
  • Package Dimensions: 9.906 L x 7.111 H x 9.398 W (centimeters)
  • Manufactured to GM OE specification for fit, form, and function
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Whether you need exact original equipment specification parts or high-quality replacement parts, you can rely on ACDelco Emission components, Fuel Injection and Control Modules to deliver. With our OE Service and Professional lines, we can keep your GM...
  • When you are looking for a match to original equipment specifications in a replacement part for your GM vehicle, trust ACDelco to get the job done! Our lineup of OE Service Fuel Injectors, Control Modules, Mass Air Flow Sensors, Oxygen Sensors, Exhaust...
$53.38 Amazon Prime
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No. 4
ApplianPar Vacuum Air Injection Control Bypass Valve for Honda Accord 2018-2025, CRV 2017-2025, Civic...
ApplianPar Vacuum Air Injection Control Bypass Valve for Honda Accord 2018-2025, CRV 2017-2025, Civic...
  • Replaces part numbers: 36180-59B-005, 36180-RWC-A01, K5T48194, 3618059B005, 36180RWCA01
  • Applicable for Acura RDX 2007-2012
  • Applicable for Honda Accord 2018-2025, CR-V 2017-2025, Civic 2018-2024
  • Package includes: 1 x Canister Purge Valve
$18.99
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No. 5
TRQ Idle Air Control Valve Compatible with 1997-00 Toyota Camry L4 2.2L, 1999-00 Toyota Solara L4 2.2L
TRQ Idle Air Control Valve Compatible with 1997-00 Toyota Camry L4 2.2L, 1999-00 Toyota Solara L4 2.2L
  • Reference Numbers: AC194; 2227003030; 2227074340; 150-751; 2-29548; 217-1656; 2H1352; 30022; 73-4403; 89052674; AC4022; ACVB10050
  • YOUR TRUSTED DIY VIDEO SOURCE: TRQ offers the largest catalog of DIY videos for replacement parts, making installation easier and repairs more accessible. Our mission is to help you "View Before You Do," with hundreds of new videos added weekly.
  • TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage "confirmed fit" feature and review our full compatibility chart below before purchase.
  • EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
  • TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage "confirmed fit" feature and review our full compatibility chart below before purchase.
  • EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
$59.95 Amazon Prime
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No. 6
TRQ Idle Air Control Valve Compatible with 92-95 Toyota Camry 90-95 Celica 91-95 MR2 98-00 RAV4
TRQ Idle Air Control Valve Compatible with 92-95 Toyota Camry 90-95 Celica 91-95 MR2 98-00 RAV4
  • Reference Numbers: AC208; 2227003010; 2227074100; 2227074200; 1368000120; 150-765; 159-1029; 2-19389; 217-1661; 29920; 2H1341; 73-4560; 89052679; AC420
  • YOUR TRUSTED DIY VIDEO SOURCE: TRQ offers the largest catalog of DIY videos for replacement parts, making installation easier and repairs more accessible. Our mission is to help you "View Before You Do," with hundreds of new videos added weekly.
  • TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage "confirmed fit" feature and review our full compatibility chart below before purchase.
  • EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
  • TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage "confirmed fit" feature and review our full compatibility chart below before purchase.
  • EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.
$59.95 Amazon Prime
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No. 7
Walker Products 215-1021 Fuel Injection Idle Air Control Valve
Walker Products 215-1021 Fuel Injection Idle Air Control Valve
  • Idle Air Control Value ( IAC Valve ) Controlled by the onboard computer
  • The computer moves the pintle in and out of an opening that bypasses the throttle blade
  • IAC Valve Allows the computer to precisely control idle speed when varying loads are placed on the engine
  • Symptoms of failure include engine stalling, surging, poor idle conditions, and or a check engine light
  • Check for proper operation with each tune-up and replace when trouble codes indicate failure
$31.78 Amazon Prime
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No. 8
Dorman 911-998 Engine Intake Manifold Flap Motor Compatible with Select Ford/Lincoln/Mercury Models
Dorman 911-998 Engine Intake Manifold Flap Motor Compatible with Select Ford/Lincoln/Mercury Models
  • Direct replacement - this engine intake manifold flap motor is designed to match the fit, function and performance of the original equipment motor on the IMRC on specified vehicles
  • Ideal solution - engineered to help optimize engine power and efficiency by varying the length of the intake tract and managing air/fuel intake
  • Restores performance - when an original intake flap motor has failed from sticking or closed runners, this direct replacement motor can restore proper engine operation, fuel economy and emissions
  • Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
$76.49 Amazon Prime
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No. 9
Turbocharger Bypass Valve Solenoid Compatible with Chevy Equinox Malibu Cruze Trax, Buick Encore, GMC Terrain...
Turbocharger Bypass Valve Solenoid Compatible with Chevy Equinox Malibu Cruze Trax, Buick Encore, GMC Terrain...
  • Compatible With: This turbocharger bypass valve solenoid is compatible with Chevy Malibu 2016-2025, compatible with Chevy Cruze 2016-2019, compatible with Chevy Equinox 2018-2022, compatible with Chevy Trax 2021-2022, compatible with Buick Encore...
  • Replace OE:The turbocharger bypass solenoid valve replaces 55499323, 12653327, 12653613, and 55495843, making it a direct replacement for a worn or failed turbo bypass valve solenoid on compatible turbocharged applications.
  • High Quality: The turbo bypass valve solenoid is made of durable materials for reliable sealing, stable response, and long service life; engineered to provide dependable fitment and compatible performance even if the original port style is raised...
  • Function: This turbocharger bypass valve solenoid helps control turbo pressure and airflow within the boost system, supporting proper turbo operation, smoother acceleration, stable engine performance, and reliable drivability.
  • Package include: 1 x turbocharger bypass valve solenoid
$25.99
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No. 10
Air Bypass Blow Off Valve Compatible with WRX STI 2013-2021, Impreza 2004-2014, Forester 2006-2008 14471AA143
Air Bypass Blow Off Valve Compatible with WRX STI 2013-2021, Impreza 2004-2014, Forester 2006-2008 14471AA143
  • Compatible model: WRX STI 2013-2021, Impreza 2004-2014, Forester 2006-2008
  • Replacement part number: 14471AA143 Please confirm if it is the model you need before purchasing.
  • Product features: Made from high-quality raw materials, it is heat-resistant, corrosion-resistant, sturdy and durable, with a long service life.
  • Easy installation: The product is easy to install and can be replaced directly, saving you time and effort
  • Package includes: 1*Air Bypass Blow Off Valve
$109.99
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Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Automotive Replacement Emission Air Bypass Valves

Understanding Air Bypass Valves

An air bypass valve, also known as an idle air control (IAC) valve, regulates the amount of air that bypasses the throttle plate to control engine idle speed. When this valve malfunctions, it can cause a range of issues from stalling to inconsistent RPMs. Replacing it with a quality part is essential for a smooth-running engine.

Key Features to Consider

  • Material Quality: Look for valves constructed from durable materials like high-grade plastic or metal to ensure longevity and resistance to heat and contaminants.
  • Vehicle Compatibility: Always verify that the valve is designed for your specific year, make, and model of vehicle. Using an incompatible part can lead to performance problems or damage.
  • Brand Reputation: Opt for reputable brands known for producing reliable automotive parts. Reviews and customer feedback can offer insights into a product's performance and durability.
  • Ease of Installation: While many valves are designed for direct fitment, some may require minor modifications. Check product descriptions for installation details.

Signs of a Failing Valve

Several symptoms can indicate that your air bypass valve needs replacement:

  • Rough or unstable idle
  • Stalling when coming to a stop
  • Difficulty starting the engine
  • Check Engine light illuminated (often with specific codes related to idle control)
  • Inconsistent engine RPMs

Maintenance and Replacement Tips

Regular maintenance isn't typically required for these valves, as they are generally replaced when they fail. When purchasing a replacement, ensure it comes with any necessary gaskets or seals. If you are not comfortable with automotive repair, it is advisable to have a professional mechanic perform the installation.