Standard Ignition AC308 Idle Air Control Valve

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Standard Ignition AC308 Idle Air Control Valve

Brand	Standard Ignition AC308
Connector Shape	Oval
Gaskets Included	No
Fits	Toyota · 36 vehicles

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

Oval connector shape. Designed for a straightforward electrical connection.

3 terminals. Provides the needed electrical interface for operation.

Cross-references OSC 30035, Standard Ignition AC308 and 2-29561 for the same application. See all 10.

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Idle Air Control Valve for Toyota Fuel Injection

Standard Ignition AC308 is an idle air control valve for Toyota fuel injection systems that need stable idle speed control. It is built with an oval connector shape, 3 terminals, and 2 hose connectors for the specified applications.

Key Features

Idle air control valve for fuel injection system service
Oval connector shape for the listed Toyota applications
3-terminal electrical connection
2 hose connector ports
No gasket included

Fitment Details

Fits 2000 Toyota 4Runner, N/A; Federal Emissions primary application and Auxiliary Air Valve configuration.
Fits 2000 Toyota Tacoma, N/A; Federal Emissions primary application and Auxiliary Air Valve configuration.
Fits 1996-1999 Toyota 4Runner, N/A.
Fits 1996-1999 Toyota Tacoma, N/A.
Fits 1996-1998 Toyota T100, N/A.

What It Helps Fix

Unstable or fluctuating idle speed
Idle speed that is too high or too low
Stalling when the engine returns to idle
Rough idle after warm-up
Idle control issues related to the Toyota fuel injection system

Installation Notes

Verify connector shape, terminal count, and hose routing before installation. Because no gasket is included, confirm the existing seal condition and replace any worn sealing components as needed. Match the vehicle’s emissions configuration, especially on 2000 Toyota 4Runner and 2000 Toyota Tacoma Federal Emissions applications.

Quality Assurance

Standard Ignition AC308 is listed with direct interchange references for the same application, including OSC 30035 and Standard Ignition AC308. This part cross-references OSC (e.g., 30035) for the same application.

This part fits 36 vehicles

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

Year	Make	Model	Transmission	Liters	Cylinders	Position	Notes
2000	Toyota	4Runner	Automatic	2.7L	L4	N/A	Idle Air Control Valve fits vehicles with Federal Emissions and is the primary option.
2000	Toyota	4Runner	Automatic	2.7L	L4	N/A	w/ Federal Emissions: Auxiliary Air Valve
2000	Toyota	Tacoma	Automatic	2.4L	L4	N/A	Idle Air Control Valve fits vehicles with Federal Emissions and is the primary option.
2000	Toyota	Tacoma	Automatic	2.7L	L4	N/A	Idle Air Control Valve fits vehicles with Federal Emissions and is the primary option.
2000	Toyota	Tacoma	Automatic	2.4L	L4	N/A	w/ Federal Emissions: Auxiliary Air Valve
2000	Toyota	Tacoma	Automatic	2.7L	L4	N/A	w/ Federal Emissions: Auxiliary Air Valve
1999	Toyota	4Runner	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1999	Toyota	4Runner	—	2.7L	L4	N/A	Compatible with various car models.
1999	Toyota	Tacoma	Automatic	2.4L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1999	Toyota	Tacoma	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1999	Toyota	Tacoma	—	2.4L	L4	N/A	Compatible with various car models.
1999	Toyota	Tacoma	—	2.7L	L4	N/A	Compatible with various car models.
1998	Toyota	4Runner	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1998	Toyota	4Runner	—	2.7L	L4	N/A	Compatible with various car models.
1998	Toyota	T100	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1998	Toyota	T100	—	2.7L	L4	N/A	Compatible with various car models.
1998	Toyota	Tacoma	Automatic	2.4L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1998	Toyota	Tacoma	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1998	Toyota	Tacoma	—	2.4L	L4	N/A	Compatible with various car models.
1998	Toyota	Tacoma	—	2.7L	L4	N/A	Compatible with various car models.
1997	Toyota	4Runner	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1997	Toyota	4Runner	—	2.7L	L4	N/A	Compatible with various car models.
1997	Toyota	T100	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1997	Toyota	T100	—	2.7L	L4	N/A	Compatible with various car models.
1997	Toyota	Tacoma	Automatic	2.4L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1997	Toyota	Tacoma	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1997	Toyota	Tacoma	—	2.4L	L4	N/A	Compatible with various car models.
1997	Toyota	Tacoma	—	2.7L	L4	N/A	Compatible with various car models.
1996	Toyota	4Runner	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1996	Toyota	4Runner	—	2.7L	L4	N/A	Compatible with various car models.
1996	Toyota	T100	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1996	Toyota	T100	—	2.7L	L4	N/A	Compatible with various car models.
1996	Toyota	Tacoma	Automatic	2.4L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1996	Toyota	Tacoma	Automatic	2.7L	L4	N/A	Primary application for specific vehicle models ~ Idle Air Control Valve
1996	Toyota	Tacoma	—	2.4L	L4	N/A	Compatible with various car models.
1996	Toyota	Tacoma	—	2.7L	L4	N/A	Compatible with various car models.
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Directly replaces or cross-references 10 part numbers

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

OSC — 30035Standard Ignition — AC3082-295612H135973-4424150-701813680005602227075030AC4041ACC1005