Standard Ignition AC474 Idle Air Control Valve

Brand Standard Ignition AC474
Gaskets Included Yes
Hardware Included No
Fits Honda, Acura, and Isuzu · 13 vehicles

Idle air control valve. Regulates airflow to help maintain a steady idle.

Gaskets included. Ready for a cleaner, more complete installation.

Two-port design. Built with two hose connections and a 3-terminal setup.

Cross-references Eastern Catalytic 50588, Standard Ignition AC474 and 2-16759 for the same application. See all 8.

$159.00Free shipping
In stock · usually ships same day before 1pm CST
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Order total $159.00
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Free returns within 60 days if it doesn't fit when fitment is verified.

Idle Air Control Valve for Honda, Acura, and Isuzu

Standard Ignition AC474 is an idle air control valve for select Honda, Acura, and Isuzu applications. It is built with 2 ports, 2 hose connectors, and 3 terminals, and includes gaskets for a cleaner service replacement on the intake side.

Compatible With 1998-2002 Honda Accord, 1998-1999 Acura CL, 1998-1999 Isuzu Oasis, and 1998 Honda Odyssey. This Standard Ignition AC474 replacement is a direct-fit option for vehicles that need stable idle airflow control after service or component wear.

Key Features

  • Idle air control valve for fuel injection system service
  • Gaskets included for installation sealing
  • 2-port, 2-hose-connector design
  • 3-terminal electrical connection
  • OE-style replacement for select Honda Accord, Acura CL, Isuzu Oasis, and Honda Odyssey applications

Detailed Description

Standard Ignition AC474 is used to regulate bypass air around the throttle body so the engine can maintain a steady idle under changing load conditions. This part cross-references Eastern Catalytic 50588 for the same application. For buyers searching for a Honda Accord idle air control valve, Acura CL idle air control valve, or Isuzu Oasis idle air control valve, AC474 matches the listed vehicle applications and service configuration.

Common Issues This Part Can Address

  • Unstable or fluctuating idle speed
  • Stalling when coming to a stop
  • Idle speed that is too high or too low
  • Rough idle after throttle body or intake service
  • Idle control faults related to valve wear or contamination

Installation Notes and Tips

Verify the connector style, port count, and terminal count before installation. Clean the throttle body and mating surfaces, and replace the included gaskets during service to help maintain a proper seal. Confirm fitment by year, make, and model before ordering, especially on 1998-2002 Honda Accord and other listed applications.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management service parts. AC474 is built for the listed applications and supplied with gaskets to support a proper replacement installation.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2002HondaAccord2.3LL4N/A2 Ports; Primary
2001HondaAccord2.3LL4N/A2 Ports; Primary
2000HondaAccord2.3LL4N/A2 Ports; Primary
1999AcuraCL2.3LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1999HondaAccord2.3LL4N/A2 Ports; Primary
1999IsuzuOasisN/APrimary application for specific vehicle models ~ Idle Air Control Valve
1999IsuzuOasis2.3LL4N/ACompatible with various car models.
1998AcuraCL2.3LL4N/APrimary application for specific vehicle models ~ Idle Air Control Valve
1998HondaAccord2.3LL4N/A2 Ports; Primary
1998HondaOdysseyN/APrimary application for specific vehicle models ~ Idle Air Control Valve
1998HondaOdyssey2.3LL4N/ACompatible with various car models.
1998IsuzuOasisN/APrimary application for specific vehicle models ~ Idle Air Control Valve
1998IsuzuOasis2.3LL4N/ACompatible with various car models.
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Eastern Catalytic — 50588Standard Ignition — AC4742-167592H100973-444436460PAAA01AC4071AEA1055