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Subaru Legacy Replacement Idle Control Valve Information


A Subaru vehicle is known for its all-wheel drive function and durability. At the basis of this sturdiness is a continued good driving performance from your car. If your Subaru Legacy is not performing well, it may be time to replace the components of the car. To maintain the care and attention your Subaru Legacy was built with, only the best auto replacement parts should be installed.

The Idle Control Valve is what keeps your Subaru Legacy regulated in idle speed. It makes certain that your car produces the best fuel effectiveness, has the correct quantity of air running around the throttle, and the engine is performing well. Parts Geek understands that high-quality parts are important to the life of your vehicle. We offer great deals on Idle Control Valves for your Subaru Legacy and on a wide selection of other auto parts and accessories.


They are available for the following Subaru Legacy years: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 04, 03, 02, 01, 00, 99, 98, 97, 96, 95, 94, 93, 92, 91, 90. This part is also sometimes called Subaru Legacy Idle Valves. We stock idle control valve parts for most Subaru models including Impreza, Forester, Outback and Baja.

We stock these Idle Control Valve brands for the Subaru Legacy: Standard Motor Products and Genuine.


› Change Vehicle
Review Fitment Notes to Ensure Proper Fit

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(5 Reviews)
4 Stars
Standard Motor Products AC296
Idle Control Valve
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Our List Price: $352.33
with FREE Shipping
(>35) In Stock
Product SKU: AC296
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: B
Vehicle Engine
1996 (96) Subaru Legacy 2.5L H4 


Click to Enlarge
(5 Reviews)
4 Stars
Standard Motor Products AC296
Idle Control Valve
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Loading Reviews...
Our List Price: $352.33
with FREE Shipping
(>35) In Stock
Product SKU: AC296
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: B
Vehicle Engine
1999 (99) Subaru Legacy 2.5L H4 


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(2 Reviews)
5 Stars
Standard Motor Products AC483
Idle Control Valve
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Loading Reviews...
Our List Price: $140.33
(>35) In Stock
Product SKU: AC483
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine Transmission
2001 (01) Subaru Legacy 2.5L H4  Standard 


Click to Enlarge
(5 Reviews)
4 Stars
Standard Motor Products AC296
Idle Control Valve
Close
Loading Reviews...
Our List Price: $352.33
with FREE Shipping
(>35) In Stock
Product SKU: AC296
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: B
Vehicle Engine
1998 (98) Subaru Legacy 2.5L H4 


Click to Enlarge
(5 Reviews)
4 Stars
Standard Motor Products AC296
Idle Control Valve
Close
Loading Reviews...
Our List Price: $352.33
with FREE Shipping
(>35) In Stock
Product SKU: AC296
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: B
Vehicle Engine
1994 (94) Subaru Legacy 2.2L H4 Naturally Aspirated 


Click to Enlarge
(5 Reviews)
4 Stars
Standard Motor Products AC296
Idle Control Valve
Close
Loading Reviews...
Our List Price: $352.33
with FREE Shipping
(>35) In Stock
Product SKU: AC296
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: B
Vehicle Engine Transmission
1991 (91) Subaru Legacy 2.2L H4 Naturally Aspirated  Automatic 


Click to Enlarge
(Read reviews)
Product List Price:
$355.98
Our List Price: $290.48
with FREE Shipping
(>25) In Stock
Product SKU: W0133-1653592
Inventory: In Stock
Condition: New

Made By: OEM
(Original Equipment Manufacturer) - a replacement part made by the manufacturer of the original part.

Shipping Options:
Free Ground Shipping or (Overnight and 2-Day Shipping)
Additional Fitment Information: Catalog: A
Vehicle
1997 (97) Subaru Legacy


Click to Enlarge
(5 Reviews)
4 Stars
Standard Motor Products AC296
Idle Control Valve
Close
Loading Reviews...
Our List Price: $352.33
with FREE Shipping
(>35) In Stock
Product SKU: AC296
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: B
Vehicle Engine Transmission
1990 (90) Subaru Legacy 2.2L H4  Automatic 


Click to Enlarge
(5 Reviews)
4 Stars
Standard Motor Products AC296
Idle Control Valve
Close
Loading Reviews...
Our List Price: $352.33
with FREE Shipping
(>35) In Stock
Product SKU: AC296
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: B
Vehicle Engine
1995 (95) Subaru Legacy 2.2L H4 


Click to Enlarge
(5 Reviews)
4 Stars
Standard Motor Products AC296
Idle Control Valve
Close
Loading Reviews...
Our List Price: $352.33
with FREE Shipping
(>35) In Stock
Product SKU: AC296
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: B
Vehicle Engine
1997 (97) Subaru Legacy 2.5L H4 


Click to Enlarge
(Read reviews)
Product List Price:
$401.97
Our List Price: $317.48
with FREE Shipping
(>25) In Stock
Product SKU: W0133-1653205
Inventory: In Stock
Condition: New

Made By: OEM
(Original Equipment Manufacturer) - a replacement part made by the manufacturer of the original part.

Shipping Options:
Free Ground Shipping or (Overnight and 2-Day Shipping)
Additional Fitment Information: Catalog: A
Vehicle
2003 (03) Subaru Legacy


Click to Enlarge
(Read reviews)
Product List Price:
$355.98
Our List Price: $290.48
with FREE Shipping
(>25) In Stock
Product SKU: W0133-1653592
Inventory: In Stock
Condition: New

Made By: OEM
(Original Equipment Manufacturer) - a replacement part made by the manufacturer of the original part.

Shipping Options:
Free Ground Shipping or (Overnight and 2-Day Shipping)
Additional Fitment Information: Catalog: A
Vehicle
1998 (98) Subaru Legacy


Click to Enlarge
(2 Reviews)
5 Stars
Standard Motor Products AC483
Idle Control Valve
Close
Loading Reviews...
Our List Price: $140.33
(>35) In Stock
Product SKU: AC483
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
1999 (99) Subaru Legacy 2.2L H4 


Click to Enlarge
(Read reviews)
Product List Price:
$355.98
Our List Price: $290.48
with FREE Shipping
(>25) In Stock
Product SKU: W0133-1653592
Inventory: In Stock
Condition: New

Made By: OEM
(Original Equipment Manufacturer) - a replacement part made by the manufacturer of the original part.

Shipping Options:
Free Ground Shipping or (Overnight and 2-Day Shipping)
Additional Fitment Information: Catalog: A
Vehicle Engine
1999 (99) Subaru Legacy 2.5L H4 


Click to Enlarge
(1 Reviews)
5 Stars
Standard Motor Products AC519
Idle Control Valve
Close
Loading Reviews...
Our List Price: $231.33
with FREE Shipping
(>35) In Stock
Product SKU: AC519
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: B
Vehicle Engine Transmission
2000 (00) Subaru Legacy 2.5L H4  Automatic 


Click to Enlarge
(2 Reviews)
5 Stars
Standard Motor Products AC483
Idle Control Valve
Close
Loading Reviews...
Our List Price: $140.98
(3) In Stock
Product SKU: AC483
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: H
Vehicle Engine Transmission
2001 (01) Subaru Legacy 2.5L H4  Standard 


Click to Enlarge
(1 Reviews)
5 Stars
Standard Motor Products AC519
Idle Control Valve
Close
Loading Reviews...
Our List Price: $233.98
with FREE Shipping
(2) In Stock
Product SKU: AC519
Product Note: Fuel Injection Idle Air Control Valve -- Genuine Intermotor Quality
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: C
Vehicle Engine
2004 (04) Subaru Legacy 2.5L H4 


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Research on Idle Control Valve for Subaru Legacy

Subaru Legacy Idle Control Valve

After ignition the engine in your car has to operate continuously, even when you're not moving down the road. The idle control valve is the modern auto part that automatically allows air to continue to flow into the engine when at a stop.

At PartsGeek.com you will find top-quality Subaru Legacy idle control valves from Genuine and Standard Motor Products. Our 30-day return policy, fast delivery and excellent customer service help us to ensure that you get exactly the part you're looking for.

What is the idle control valve?

Also known as the idle air control (IAC) actuator, the idle control valve is an electronic device used in fuel-injection systems. The purpose of this valve is to maintain optimal RPM during idling by communicating with the vehicle's onboard computer, or ECU (engine control unit).

How much is a replacement Subaru Legacy idle control valve?

The price of a new Subaru Legacy idle control valve will depend on the year of your car and the part manufacturer. Most of the IAC actuators on PartsGeek.com cost between $140 to $340. Because they are perfect model replacements, OEM (original equipment manufacturer) units tend to be the most expensive.

How does the idle control valve work?

The function of the idle control valve is to allow air to bypass a closed throttle plate in order to continue to feed air to the idling engine. This is accomplished through the use of a servomotor fitted with a plunger. The servomotor receives data from the ECU about engine temperatures and load and positions this plunger to allow more or less air to flow through the throttle body.

Why do idle control valves fail?

The idle control valve is designed to last the vehicle's lifetime. However, extended use often leads to debris or oil buildup within the actuator. When this happens the actuator may become jammed, causing frequent stalling and uneven engine speed while idling. Left on its own, a compromised idle control valve system can put enough strain on the servomotor that the entire unit will need to be replaced.



Some of our Customer Reviews
Very Satisfied
Reviewer: Rick/Philadelphia

easy online ordering, arrived within the specified time, works properly, well packed. I would gladly recommend Parts Geek to others.

2001 Subaru Legacy Idle Air Control Valve

Very Satisfied
Reviewer: Good product, easy install

Most of the thermowax on the original part had worn off and idle was bad with the car randomly dying. I shopped around for the best price on an OEM fit IACV and this was it. Easy install and idle is working a lot better! Part came quickly and well packaged. Thanks!

1996 Subaru Legacy Idle Air Control Valve

Very Satisfied
Reviewer: William Thompson

I recently bought an idle air control valve, a part that I could not seem to find anywhere else. I had no issues with the part. Everything was a perfect fit.

1992 Subaru Legacy Idle Air Control Valve

Somewhat Satisfied
Reviewer: Order carefully

Part arrived quickly and exactly what was ordered with the exception it did not come with gasket that had to be ordered separately, thus repair was delayed. Seems like a $230+ part would come with a $6 gasket but not listed in description so be careful when ordering.

1996 Subaru Legacy Idle Air Control Valve

Neither Satisfied Nor Dissatisfied
Reviewer: NO GASKET

Shopped around and PartsGeek had by far the best price. Was warned by another review that part did not come with a gasket.

1996 Subaru Legacy Idle Air Control Valve

Very Satisfied
Reviewer: Ruben Canela

Excellent quality parts with a flexible price ........

I will definitely recommend this site to a friend

2000 Subaru Legacy Idle Control Valve


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