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Pontiac Optima Idle Air Control Valve

6 items

At A-Premium Auto, you can get best deals on high quality replacement Idle Air Control Valve from the best manufacturers in aftermarket industry!

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Standard AC1 Idle Air Control ValveStandard AC1 Idle Air Control Valve
StandardPart # AC1
Standard AC1 Idle Air Control Valve
11 Reviews
$63.99
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3-year warranty
90 days free return
Fits 1995-1996 AM General Hummer, 1982-1986 Buick Skyhawk, 1983-1984 Buick Skylark, 1983-1986 Buick Century, 1985-1985 Buick Electra, 1985-1985 Buick Somerset Regal, 1985-1987 Buick Skylark, 1986-1986 Buick LeSabre, 1986-1987 Buick Electra, 1986-1987 Buick Regal, 1986-1987 Buick Riviera, 1986-1987 Buick Somerset, 1986-1988 Buick Century, 1986-1988 Buick LeSabre, 1987-1987 Buick Skyhawk, 1988-1988 Buick Skylark, 1991-1993 Buick Commercial Chassis, 1991-1993 Buick Roadmaster, 1983-1986 Cadillac Cimarron, 1990-1990 Cadillac Fleetwood
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Vehicle: Pontiac Optima
Item LocatedUnited States
QuantityOne Set
Part interchange
AC1, IACGM001, 158-0736, 76002, CV10033, CV10033-11B1, 2-1738, 150-103, 
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item #100166HZ
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Standard AC15 Idle Air Control Valve
StandardPart # AC15
Standard AC15 Idle Air Control Valve
11 Reviews
$63.99
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3-year warranty
90 days free return
Fits 1992-1993 Asuna Sunrunner, 1993-1993 Asuna GT, 1993-1993 Asuna SE, 1987-1987 Buick Century, 1987-1987 Buick Somerset, 1987-1991 Buick Skylark, 1988-1988 Buick Century, 1989-1990 Buick Century, 1990-1993 Buick Skylark, 1991-1992 Buick Century, 1987-1987 Chevrolet Astro, 1987-1988 Chevrolet S10 Blazer, 1987-1990 Chevrolet Celebrity, 1987-1992 Chevrolet S10, 1987-1993 Chevrolet LLV, 1988-1990 Chevrolet Astro, 1990-1992 Chevrolet Lumina, 1990-1993 Chevrolet Beretta, 1992-1992 Chevrolet Astro, 1993-1993 Chevrolet Astro
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Optima
Item LocatedUnited States
Quantity1
Part interchange
AC15, 19333268, IACGM003, 76031, CV10000, 2-1757, 150-107, 8441, 
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item #100165PD
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Idle Air Control Valve for 1988 Pontiac Optima
A-Premium®Part # APIAC081
Idle Air Control Valve for 1988 Pontiac Optima
4.459 Reviews
$18.99
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1-year warranty
90 days free return
Fits 1988 Pontiac Optima
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Vehicle: Pontiac Optima
Item LocatedUnited States
Quantity1
Part interchange
AC1, ERR5199, ETC6660, 217437, 1711286, 17079256, 17111286, 17111288, 
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item #100220CQ
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AISIN Idle Air Control (IAC) Valve for 1988-1989 Pontiac Optima
AisinPart # IAVAZ-00015
AISIN Idle Air Control (IAC) Valve for 1988-1989 Pontiac Optima
4.459 Reviews
$29.99
Low stock: Only 3 left
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1-year warranty
90 days free return
Fits Pontiac Optima: 1988 1989
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Vehicle: Pontiac Optima
Item LocatedUnited States
Part interchange
17111826, 17111827, 17112031, 19333268, 8171118260
ConditionNew
item #1018PYA3
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Idle Air Control Valve for 1988-1989 Pontiac Optima
A-Premium®Part # APIAC092
Idle Air Control Valve for 1988-1989 Pontiac Optima
4.459 Reviews
$22.99
Edit ZIP code
1-year warranty
90 days free return
Fits Pontiac Optima: 1988 1989
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Optima
Item LocatedUnited States
Quantity1
Part interchange
AC15, AC15T, 17111826, 17111827, 17112031, 19333268, 8171118260, 2H1020, 
...View more
item #1012W4ZH
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AISIN Idle Air Control Valve for 1988 Pontiac Optima
AisinPart # IAVAZ-00012
AISIN Idle Air Control Valve for 1988 Pontiac Optima
4.459 Reviews
$22.99
Edit ZIP code
1-year warranty
90 days free return
Fits 1988 Pontiac Optima
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Optima
Item LocatedUnited States
Quantity1
Part interchange
1711286, 17079256, 17111286, 17111288, 17111289, 17111460
ConditionNew
item #1018LA72
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What does an idle air control valve do?

The idle air control (IAC) valve is vital for managing the engine's idle speed by accurately controlling airflow around the throttle body. This function helps the IAC valve maintain the target idle speed for smooth, stable operation. It also aids cold starts by increasing airflow to enrich the mixture and compensates for extra loads by opening more to sustain the desired idle speed. Additionally, the IAC valve's airflow regulation optimizes the air-fuel ratio to reduce emissions. Problems with the valve can cause drivability issues and increased emissions.

How to replace the IAC valve?

To replace an IAC (Idle Air Control) valve, first disconnect the negative battery cable. Locate the valve, typically positioned near the throttle body or intake. Unplug the electrical connector and remove the mounting hardware to take out the old valve, making sure the new part fits properly. Apply dielectric grease to the electrical connector, then install the new IAC valve in the same orientation and secure it. Reconnect the battery, start the engine, and use a scanner to clear any related diagnostic trouble codes. Test drive the vehicle to verify the new IAC valve is operating correctly and maintaining a stable idle. Regularly cleaning the IAC valve helps ensure a consistent engine idle and prevents issues. 

Restoring engine efficiency: A guide to cleaning the idle air control valve

To clean the idle air control (IAC) valve on a car, first locate the valve, typically near the throttle body, and disconnect the electrical connector to isolate it from the vehicle's electrical system. Then, carefully remove the IAC valve and use a throttle body/carburetor cleaner to spray the exterior and gently scrub the interior passages and openings with a soft-bristle brush or cotton swab dipped in the cleaner, avoiding submerging the entire valve. Inspect the IAC valve for any signs of wear, damage, or excessive carbon buildup, and if severely compromised, it may need replacement rather than cleaning. Carefully reinstall the IAC valve, secure it in place, and reconnect the electrical connector, then start the engine and let it idle to ensure the valve is functioning properly. Regularly cleaning the IAC valve can help improve engine idle performance, fuel efficiency, and emissions, but if the valve is still not operating correctly after cleaning, further diagnosis or replacement may be necessary.

Steady and reliable, worry-free driving: A-Premium IAC valve

A-Premium idle air control (IAC) valve combines advanced engineering and premium manufacturing to deliver exceptional performance and reliable operation for your vehicle.  Precision internal architecture and rigorous quality control ensure outstanding stability and responsiveness, keeping your engine's idle smooth and your fuel economy and emissions metrics optimized. Alongside our 90-day free returns and 1-year warranty, you can count on our customer service team to be there for you 24/7. Bid farewell to worries and enjoy a reliably smooth driving experience - A-Premium IAC valve is the answer you've been seeking.

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Jul 21, 2026

Symptoms of a Bad Idle Air Control Valve

Uncover the telltale signs of a failing Idle Air Control Valve and how it can disrupt your ride. Weigh the options of cleaning versus replacing it, and find out where to snag top-notch replacements to keep your engine purring smoothly!

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