Best Emission Air Check Valves in 2026

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Standard Air Cleaner Check Valve (AV56)

Part number: AV56

Fit type: Vehicle Specific

【Warranty】12 months. (Long life with high temperature and durable materials,high reliability)

【Product Size】10 mm (Diameter) (3/8")ID (inner diameter) hose -- Color: Silver

【100% Qualified Materials】High quality and durable aluminum alloy material for extended service life

Direct replacement for a proper fit every time

Durable metal construction helps to withstand extreme temperatures of the exhaust manifold and function properly every time.

Easy Plug and Play Design

Direct replacement - this secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles

Restores functionality - this valve is made to fit and fully restore part functionality after the original valve fails

Durable construction - this part is made from quality materials to ensure reliable performance and long service life

Size※3.2mm (1/8")

Total length ※ 40mm/1.57 inch

Material ※ The shell material is PA66, and the Diaphragm material is VITON，the spring material is SUS316L

Direct replacement for a proper fit every time

Durable metal construction helps to withstand extreme temperatures of the exhaust manifold and function properly every time.

Secondary Air injection Pump Has an Easy Plug and Play Design

Professional, premium aftermarket replacement

Provides the performance and dependability you expect from ACDelco

Manufactured to meet expectations for fit, form, and function

Made of high quality material, durable, for long time use

Diameter: 6mm ( 1/4") fit for Carburettor and low pressure fuel systems

Function: Arrow marked on valve, showing fluid flow direction, prevent fuel from returning back to the tank and keeps it in the line

【REPLACE NUMBER】25710-50032, 25710-50030, 25710-50031

【FITMENT】This secondary air injection valve is compatible with Toyota Tundra 4.7L V8 GAS 2007-2009, Toyota Sequoia 4.7L V8 GAS 2008-2009.

【KEY ROLE】Air Injection check valve is able to prevent the backflow of media, prevent the pump and drive motor reversal, as well as the release of container media.

Convenient and Practical --- Meets strict quality control standards and is reliable in use

Convenient and Practical --- Meets strict quality control standards and is reliable in use

Reference OEM --- Replace the OEM number for reference: 06A133567A. Made according to the original OEM specifications, perfect fit

[Vehicle Fitment] Compatible with Toyota Tundra 2007-2020 ✔ Sequoia 2008-2020 ✔ Land Cruiser 2008-2019 ✔ V8 5.7L

[Vehicle Fitment] Compatible with Lexus LX570 2008-2011 ✔ LX570 2013-2019 ✔ V8 5.7L

[Engine Type] Compatible with Toyota 3UR-FE V8 5.7L Gas and 3UR-FBE V8 5.7L Flex Engine Only !!!!

【High Quality】: The vacuum hose is made of high quality ABS material, durable and stable performance.

【Premium Material】: Secondary Air Pump Vacuum Line with High Temperature Resistant Silicone Ends.

【High Adaptability】: Suitable for air pump air pipes 11727574490 and 11657803732, with perfect fit and correct length. This is the same that you use in the family 2000 323Ci, 2000 328I and 2002 330CI.

[Vehicle Fitment]: Compatible with Buick Allure 2005-2009 V6 3.8L ✔ LaCrosse 2005-2009 V6 3.8L ✔ Lucerne 2008-2008 V6 3.8L ✔ Compatible with Pontiac Grand Prix 2005-2008 V6 3.8L ✔ --- with California Emissions, Partial Zero Emission Vehicle (PZEV) ✔

[Reference Number]: 12619125, 12660127, 911-154, 911154

[Terminal Quantity]: 5 Wires

Air Injection Check valve Replace#OE:25710-50032, 25710-50030, 25710-50031，2571050032, 2571050030, 2571050031

Compatible with：Toyota Tundra 2007 2008 2009 4.7L V8 GAS，Toyota Sequoia 2008-2009 4.7L V8 GAS

Air Injection check valve belongs to a kind of automatic valve, its main role is to prevent the backflow of media, prevent the pump and drive motor reversal, as well as the release of container media

GX460 Sequoia Tundra Air Pump Check Valve, Secondary Air Injection Check Valve

Part Number: 911-607, 25701-38100, 2570138100

Replacement for Lexus GX460 4.6L 2010-2014

【Replace】Air Injection Check valve Replace 25710-50032, 25710-50030, 25710-50031,2571050032, 2571050030, 2571050031

【Fitment】Air Injection Check valve Compatible with Toyota Tundra 2007 2008 2009 4.7L V8 GAS , Toyota Sequoia 2008 2009 4.7L V8 GAS

【Features】Air Injection check valve Its main function is to prevent the backflow of the medium in the pipeline and the reverse rotation of the pump and motor,maintain engine performance

Car Vacuum Air Pump Check Valve 058 905 291 K for VW EOS Golf Jetta Passat Touran A4 A6 A3 S8 TT 1.8T Air Intake Control.

Replace Part Number: 058905291 58905291 058905291C 58905291K 058905291 058905291K ENP4482.

Notice: Work in both directions Vacuum Check Two Way Valve Blow in both directions.

Replace:2571050032, 2571050030, 2571050031 25710-50032, 25710-50030, 25710-50031

Compatible with：2008-2009 Toyota Sequoia 4.7L V8 GAS；2007 2008 2009 Toyota Tundra 4.7L V8 GAS

Tested before delivery, it can be directly replaced

Secondary Air Injection Check Valve Is Designed To Match The Fit And Function Of The Original Valve On Specified Vehicles.

High Strength Metal Material, Precision Construction, Strong And Long Service Life

Simple Installation, Fast And Complete Recovery Of The Original Valve Failure, To Protect The Normal Operation Of The Vehicle

Direct Replacement - Parts are produced in strict accordance with OEM standards, directly replacing the original damaged part.

Restores Functionality - reliable replacement for an original part that is missing, cracked or failed due to heat and fatigue, restoring the function and purpose of this part.

Durable Construction - this part is made from quality materials to ensure reliable performance and long service life.

[High Quality Material] The one-way check valve is made of high-quality aluminum alloy, which has a longer service life than the plastic check valve. Stable characteristics and high reliability. Not easy to break, sturdy and durable, and can be used for a long time.

[Various Specifications] We provide gasoline one-way check valves with various outer diameter specifications, including: 6mm, 8mm, 10mm, 12mm. You can choose to purchase according to your needs.

[Function] The one-way check valve of the fuel pipeline can prevent fuel from returning to the tank and keep it in the pipeline.