Holstein 2IAC0328 Idle Air Control Valve

Holstein Idle Air Control Valve for Toyota Applications

Restore stable idle control with the Holstein Parts Idle Air Control Valve, part number 2IAC0328. This replacement valve is listed for select Toyota Tacoma and Toyota 4Runner applications, including California Emissions configurations.

Key Features

• Idle Air Control Valve for fuel injection system service
• Holstein Parts brand line replacement component
• Direct fit coverage for select Toyota Tacoma and Toyota 4Runner models
• Application-specific listings for California Emissions vehicles
• Cross-reference part numbers include Standard Ignition AC526 and Bremi 50640

Detailed Description

The Holstein 2IAC0328 is an idle air control valve used to regulate bypass air at idle so the engine can maintain a steady idle speed under changing load conditions. It is listed for 1999-2004 Toyota Tacoma and 1999-2000 Toyota 4Runner applications, with specific coverage for California Emissions vehicles and a 2001 Tacoma listing from 09/2000. If you are replacing a worn idle air control valve on a Toyota Tacoma or Toyota 4Runner, this part number 2IAC0328 provides a fitment-based replacement option for the listed vehicles.

Holstein Parts is the product line identified for this component, and the cataloged fitment should be matched carefully to the vehicle year, emissions configuration, and build date before ordering.

What It Is Used For

• Unstable or fluctuating idle speed
• Engine stalling at stops or during warm-up
• Idle speed that is too high or too low
• Idle control issues after the original valve wears or sticks
• Replacement during Toyota Tacoma and Toyota 4Runner idle system repair

Installation Notes and Tips

Verify the exact year, model, emissions setup, and build date before installation. For 2001 Toyota Tacoma, confirm the California Emissions listing and the from 09/2000 note. Inspect the throttle body and related intake passages during service, and compare the original connector and mounting points to the replacement part before installation.

Quality Assurance

Holstein Parts catalog fitment is provided for the listed Toyota Tacoma and Toyota 4Runner applications. Cross-reference numbers for this application include Standard Ignition AC526 and Bremi 50640.