A-Premium Idle Air Control Valve 4-Pin Plug — Direct Replacement IAC with Gaskets for GM/Isuzu (1996–2008)

The A-Premium Fuel Injection Idle Air Control Valve with 4-pin plug is a direct-replacement IAC designed to restore stable idle control for compatible GM, Isuzu and Oldsmobile vehicles.

If your engine idle is erratic, stalling, or the check engine light points to idle control issues, this 4-terminal idle air control (IAC) valve provides a straightforward swap. Built to match factory electrical and mechanical interfaces, it fits a long list of 1996–2008 model year vehicles from Chevrolet, GMC, Cadillac, Isuzu and Oldsmobile. The valve arrives boxed with gaskets and an oval-shaped 4-blade terminal connector so installation usually requires no modification.

Which vehicles will this idle air control valve fit?

This A-Premium IAC lists extensive fitment across many GM platforms plus select Isuzu and Oldsmobile models. It’s intended as a direct replacement for late-1990s to mid-2000s trucks, vans and SUVs where the original part numbers match or are cross-referenced.

• Cadillac Escalade (1999–2000)
• Chevrolet models: Astro, Blazer, Silverado, Tahoe, Express, S10 (various years 1996–2007)
• GMC models: Sierra, Savana, Yukon, Jimmy, Sonoma, and heavy-duty C/K platforms (1996–2007)
• Also compatible with Isuzu Hombre, NPR and Oldsmobile Bravada (selected years)

How does this IAC valve match the original part?

The valve reproduces the OEM connector shape, terminal type and mounting form so it plugs into existing harnesses and bolts into the intake. A-Premium lists common reference numbers to help confirm compatibility with factory replacements.

• Connector shape: oval 4-pin blade terminal for direct plug-in
• Terminals: four blade-style terminals matching factory harnesses
• Reference numbers included: AC147, 17113209, 3843751 and others for cross-checking

What comes in the box and what are the specs?

The product ships in a protective box and includes gaskets to simplify installation. Specifications are listed to make sure it meets installation and service expectations for a like-for-like swap.

• Packaging: boxed, ready for retail or service use
• Gaskets: included to help ensure a proper seal at the intake
• Fitment type: direct replacement — designed to reinstall using original mounting points

What warranty and support does A-Premium offer?

A-Premium backs this idle air control valve with a one-year unlimited-mileage guarantee and emphasizes product quality across its automotive accessory lines. This provides assurance for DIY installers and professional shops alike.

• Coverage: one-year unlimited-mileage guarantee
• Support: parts backed by A-Premium’s aftermarket product range
• Installation: typically straightforward when matched to the proper vehicle fitment

Who is this for: This A-Premium 4-pin idle air control valve is aimed at owners and technicians working on compatible Chevrolet, GMC, Cadillac, Isuzu and Oldsmobile vehicles from the late 1990s to mid-2000s who need a reliable, direct-replacement idle control component. It’s suitable for mechanics performing scheduled maintenance or troubleshooting idle irregularities who want a part that matches OEM connector style, includes gaskets, and is supported by a one-year warranty.