Take control of your engine's idle speed with the Standard Ignition Idle Air Control Valve AC573, a direct-fit OE replacement that drops into the 2001 Nissan Altima [L4-2.4L]. This valve meters the volume of air that bypasses the throttle plate, allowing the engine's control system to hold a steady idle when your foot is off the accelerator. If a failed idle air control valve is the cause of a rough idle, stalling, or surging, this unit is designed to replace it.
- Direct-fit OE replacement: made to install in place of the original for straightforward fitment.
- Built for tough conditions: high-quality materials selected to withstand extreme conditions.
- Quality-controlled build: produced under complete quality control throughout the manufacturing process.
- Reliability tested: undergoes extensive testing before it leaves the plant.
The valve uses two connectors with male blade terminals in a 2 + 2 terminal layout and female mating connectors, plus a single hose connector. Country of origin: Japan.
Fitment: 2001 Nissan Altima [L4-2.4L] (one used per application). See the Buyer's Guide tab to confirm your vehicle. Manufacturer part number AC573.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the idle air control valve do?
It meters the amount of air that bypasses the throttle plate, letting the engine control system regulate idle speed when the throttle is closed.
Will this fit my vehicle?
AC573 is a direct-fit OE replacement for the 2001 Nissan Altima [L4-2.4L], which uses one per application. Check the Buyer's Guide tab to confirm your vehicle.
What are the signs this valve may need replacing?
Signs that may point to a failing idle air control valve include a rough or erratic idle, stalling, idle surging, or hard starting. Diagnose the cause before replacing.
What connectors does it have?
It has two connectors with male blade terminals in a 2 + 2 terminal layout and female mating connectors, plus one hose connector.
Where is this valve made?
Country of origin: Japan.
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