HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition AC556 Idle Air Control Valve
Part #: AC556

Standard Ignition AC556 Idle Air Control Valve

⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, MPV
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Reliable Idle Air Control Valve for Mazda MPV

The Standard Ignition AC556 Idle Air Control Valve is designed to regulate the engine's idle speed by controlling airflow. Specifically engineered for Mazda MPV models, this valve ensures smooth idling and optimal engine performance.

  • Connector Gender: Female for secure electrical connection
  • Single Connector Quantity for streamlined installation
  • Two Hose Connectors to manage airflow precisely
  • Two Male Blade Terminals for reliable electrical contact
  • Terminal Type: Blade terminals designed for durability and consistent performance

Product Details and Specifications

The Standard Ignition AC556 Idle Air Control Valve features a female connector and two hose connectors, allowing it to effectively regulate the amount of air bypassing the throttle plate. Equipped with two male blade terminals, this valve provides a stable electrical connection essential for accurate idle speed control. This part is specifically compatible with Mazda MPV vehicles, ensuring proper fitment and function. The blade terminal design supports easy integration with the vehicle’s wiring harness, reducing the risk of connection issues.

Common Applications and Problem Resolution

  • Helps resolve rough or fluctuating idle speeds in Mazda MPV models
  • Addresses engine stalling during idle conditions
  • Improves throttle response and engine smoothness at low speeds
  • Corrects idle speed surges caused by faulty air control
  • Supports emission control by maintaining proper idle airflow

Installation Notes and Tips

When installing the Standard Ignition AC556 Idle Air Control Valve, ensure the female connector is securely attached to the vehicle’s wiring harness. Verify that both hose connectors are properly connected to the corresponding vacuum lines to maintain accurate airflow control. Use caution to avoid damaging the blade terminals during installation. It is recommended to consult the Mazda MPV service manual for specific torque specifications and installation procedures.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The AC556 Idle Air Control Valve undergoes rigorous quality control testing to ensure consistent operation. Please refer to Standard Ignition’s warranty policy for detailed coverage information.

BrandStandard Ignition
Part NumberAC556
Connector GenderFemale
Connector Quantity1
Hose Connector Quantity2
Terminal GenderMale
Terminal Quantity2
Terminal TypeBlade

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1998MazdaMPVN/APrimary application for specific vehicle models ~ Idle Air Control Valve
1998MazdaMPV3.0LV6N/ACompatible with various car models.
1997MazdaMPVN/APrimary application for specific vehicle models ~ Idle Air Control Valve
1997MazdaMPV3.0LV6N/ACompatible with various car models.
1996MazdaMPVN/APrimary application for specific vehicle models ~ Idle Air Control Valve
1996MazdaMPV3.0LV6N/ACompatible with various car models.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2-1684150670AC556ACVB10215JE9620660

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.