Standard Ignition AC477 Idle Air Control Valve

Brand Standard Ignition AC477
Connector Shape Rectangular
Gaskets Included Yes
Fits Toyota and Pontiac · 39 vehicles

Idle air control valve. Regulates engine idle airflow for smoother operation.

Rectangular connector. Designed for a straightforward electrical connection.

Gaskets included. Ready for installation with sealing components provided.

Cross-references Eastern Catalytic 50591, HOLSTEIN 2IAC0001 and Standard Ignition AC477 for the same application. See all 12.

$88.84Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $88.84
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Idle Air Control Valve for Toyota and Pontiac

Standard Ignition AC477 is an idle air control valve for select Toyota and Pontiac applications. It is built with a rectangular connector shape, 3 terminals, 2 hose connectors, and includes gaskets for a direct replacement service on the listed vehicles.

Key Features

  • Idle Air Control Valve for air and fuel delivery system service
  • Rectangular connector shape for OE-style electrical connection
  • 3-terminal design with 2 hose connectors
  • Gaskets included for installation on the specified application
  • Direct-fit coverage for select Toyota Corolla, Toyota Matrix, and Pontiac Vibe models
  • Standard Ignition AC477 replacement part number

Detailed Description

Standard Ignition AC477 is an idle air control valve used to regulate bypass air at idle on the listed Toyota and Pontiac vehicles. This part is a fitment-based replacement for 2002-2006 Toyota Corolla, 2003-2006 Toyota Matrix, 2003-2006 Pontiac Vibe, and 2009 Toyota Matrix applications, with a built-in-Japan primary listing for the 2006 Toyota Corolla. If you are searching for an idle air control valve for Toyota Corolla idle speed concerns or a Toyota Matrix idle air control valve replacement, AC477 is the cataloged match for those vehicles.

This part cross-references Holstein 2IAC0001 for the same application.

What It Helps Address

  • Unstable or fluctuating idle speed
  • Engine stalling when coming to a stop
  • Idle speed that is too high or too low
  • Idle control response issues after valve wear or contamination
  • Check engine concerns related to idle air control operation

Installation Notes and Tips

Verify the connector shape, terminal count, and hose connection layout before installation. Clean the throttle body and mating surfaces, and replace the gasket during service to help ensure a proper seal. Confirm vehicle fitment by year, make, and model before ordering, especially on Toyota Corolla, Toyota Matrix, and Pontiac Vibe applications.

Quality Assurance

Standard Ignition supplies replacement ignition and engine management components for service applications. AC477 is cataloged with OE-style fitment details and interchange references to support accurate parts matching for the listed vehicles.

This part fits 39 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2009ToyotaMatrixN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2006PontiacVibeBaseN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2006PontiacVibeBase1.8LL4N/ACompatible with various car models.
2006ToyotaCorollaN/ABuilt In Japan; Primary
2006ToyotaCorolla1.8LL4N/ACompatible with various car models.
2006ToyotaMatrixBase1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2006ToyotaMatrixXR1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2006ToyotaMatrixBase1.8LL4N/ACompatible with various car models.
2006ToyotaMatrixXR1.8LL4N/ACompatible with various car models.
2005PontiacVibeBaseN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2005PontiacVibeBase1.8LL4N/ACompatible with various car models.
2005ToyotaCorollaSN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2005ToyotaCorollaLEN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2005ToyotaCorollaCEN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2005ToyotaCorollaCEN/ACompatible with various car models.
2005ToyotaCorollaLEN/ACompatible with various car models.
2005ToyotaCorollaSN/ACompatible with various car models.
2005ToyotaMatrixBase1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2005ToyotaMatrixXR1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2005ToyotaMatrixBase1.8LL4N/ACompatible with various car models.
2005ToyotaMatrixXR1.8LL4N/ACompatible with various car models.
2004PontiacVibeBaseN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2004PontiacVibeBase1.8LL4N/ACompatible with various car models.
2004ToyotaCorollaN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2004ToyotaCorolla1.8LL4N/ACompatible with various car models.
2004ToyotaMatrixBase1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2004ToyotaMatrixXR1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2004ToyotaMatrixXR1.8LL4N/ACompatible with various car models.
2004ToyotaMatrixBase1.8LL4N/ACompatible with various car models.
2003PontiacVibeBaseN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2003PontiacVibeBase1.8LL4N/ACompatible with various car models.
2003ToyotaCorollaN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2003ToyotaCorolla1.8LL4N/ACompatible with various car models.
2003ToyotaMatrixBase1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2003ToyotaMatrixXR1.8LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
2003ToyotaMatrixXR1.8LL4N/ACompatible with various car models.
2003ToyotaMatrixBase1.8LL4N/ACompatible with various car models.
2002ToyotaCorollaN/APrimary application for specific vehicle models ~ Idle Air Control Valve
2002ToyotaCorolla1.8LL4N/ACompatible with various car models.
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Eastern Catalytic — 50591HOLSTEIN — 2IAC0001Standard Ignition — AC4772-167622H138873-4603214-1100222700D0408896901092600351AC4252AEA1036