Holstein 2IAC0058 Idle Air Control Valve

Idle Air Control Valve Overview

Holstein 2IAC0058 is an idle air control valve for fuel-injected applications that need stable idle airflow management. It is a direct-fit replacement for a wide range of GM trucks, SUVs, and performance cars, including Chevrolet Silverado, GMC Sierra, and Pontiac GTO applications.

Key Features

• Idle air control valve for precise idle-speed regulation
• Direct-fit replacement for selected GM fuel injection systems
• Fits a broad range of Chevrolet, GMC, Cadillac, and Pontiac applications
• Cross-references Delphi CV10017 and Standard Ignition AC162, AC234 for the same application
• Holstein Parts 2IAC0058 for service and replacement use

Detailed Description

This Holstein idle air control valve helps regulate bypass air at idle so the engine can maintain a steady idle under changing load conditions. It is listed for 1999-2002 Chevrolet Silverado 1500, 2000-2002 Chevrolet Camaro, 2000-2002 GMC Yukon, 2002 Cadillac Escalade, and 2004 Pontiac GTO applications, along with additional Chevrolet and GMC truck and SUV fitments. Holstein Parts 2IAC0058 is a practical replacement choice when the original valve is no longer controlling idle airflow correctly.

Common Uses

• Corrects unstable or fluctuating idle speed
• Addresses stalling at stoplights or during deceleration
• Helps restore proper idle airflow control after valve wear
• Supports smoother idle behavior after intake or throttle service

Installation Notes

Verify the part number and match the vehicle application before installation. Confirm connector style, mounting pattern, and engine management requirements against the original component. For best results, inspect the throttle body and related intake passages for carbon buildup before installing the replacement valve.

Quality Assurance

Holstein Parts 2IAC0058 is cataloged as a replacement component for the listed applications and is supported by interchange references for the same use case.