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Standard Ignition AC284 Idle Air Control Valve
| Brand | Standard Ignition AC284 |
|---|---|
| Gaskets Included | No |
| Hardware Included | No |
| Fits | Nissan, INFINITI, and Mercury · 34 vehicles |
Idle air control valve. Regulates airflow to help maintain a steady idle.
Two connectors. Simplifies electrical hookup with a 2 + 2 terminal layout.
Cross-references Standard Ignition AC284, 2-16637 and 2H1136 for the same application. See all 9.
Idle Air Control Valve for Nissan and Infiniti
Standard Ignition AC284 is an idle air control valve for select Nissan, Infiniti, and Mercury applications. It is built with a 2 + 2 terminal layout and one hose connector, making it a direct replacement option for vehicles that need stable idle airflow control.
Key Features
- Idle Air Control Valve for air and fuel delivery systems
- 2 + 2 terminal quantity for the specified electrical connection
- One hose connector for the intake/idle air circuit
- No gasket included
- No hardware included
- Standard Ignition AC284 part number for catalog matching
Application Details
Fits 1999-2004 Nissan Frontier, N/A. Fits 2000-2004 Nissan Xterra, N/A. Fits 1999-2000 Nissan Pathfinder, N/A. Fits 1999-2000 INFINITI QX4, N/A. Fits 1999-2000 Mercury Villager, N/A. Fits 1999 INFINITI QX4, N/A from 1/99.
This part cross-references AEC1022 for the same application.
What It Helps Address
- Unstable or fluctuating idle speed
- Idle stalling after startup or when coming to a stop
- Idle speed that stays too high or too low
- Airflow control issues in the throttle body idle circuit
- Driveability concerns tied to idle regulation
Installation Notes
Verify connector style, hose connection count, and vehicle application before installation. Because no gasket or hardware is included, reuse or source the required sealing components as needed for the repair. Clean the throttle body and surrounding idle air passages during service to help ensure proper valve operation.
Quality Assurance
Standard Ignition replacement parts are cataloged for specific vehicle applications and electrical configurations. Confirm the part number AC284 against the original unit and vehicle build date, especially for 1999 INFINITI QX4 models noted from 1/99.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Nissan | Frontier | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2004 | Nissan | Frontier | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2004 | Nissan | Xterra | XE | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2004 | Nissan | Xterra | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2003 | Nissan | Frontier | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2003 | Nissan | Frontier | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2003 | Nissan | Xterra | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2003 | Nissan | Xterra | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2002 | Nissan | Frontier | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2002 | Nissan | Frontier | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2002 | Nissan | Xterra | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2002 | Nissan | Xterra | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2001 | Nissan | Frontier | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2001 | Nissan | Frontier | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2001 | Nissan | Xterra | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2001 | Nissan | Xterra | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2000 | INFINITI | QX4 | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2000 | INFINITI | QX4 | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2000 | Mercury | Villager | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2000 | Mercury | Villager | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2000 | Nissan | Frontier | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2000 | Nissan | Frontier | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2000 | Nissan | Pathfinder | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2000 | Nissan | Pathfinder | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 2000 | Nissan | Xterra | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 2000 | Nissan | Xterra | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 1999 | INFINITI | QX4 | — | 3.3L | V6 | N/A | From 1/99; Primary |
| 1999 | INFINITI | QX4 | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 1999 | Mercury | Villager | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1999 | Mercury | Villager | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 1999 | Nissan | Frontier | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1999 | Nissan | Frontier | — | 3.3L | V6 | N/A | Compatible with various car models. |
| 1999 | Nissan | Pathfinder | — | 3.3L | V6 | N/A | Primary application for specific vehicle models ~ Idle Air Control Valve |
| 1999 | Nissan | Pathfinder | — | 3.3L | V6 | N/A | Compatible with various car models. |
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