Standard AC66T Idle Air Control Valve

Idle Air Control Valve for GM V6 Applications

The Standard AC66T idle air control valve is built for stable idle management on a range of GM vehicles. It uses quality components for dependable operation and is specified with a 4-terminal electrical connection and included hardware.

Key Features

• Idle air control valve for fuel injection system service
• 4-terminal connector for the listed applications
• Hardware included for installation on supported vehicles
• Constructed with quality components for dependable operation
• Direct replacement for select Buick, Chevrolet, Oldsmobile, and Pontiac models

Application Details

Standard AC66T is used on vehicles such as the 1996-2005 Buick LeSabre, 1995-2005 Buick Park Avenue, 2000-2005 Chevrolet Impala, 1998-2005 Chevrolet Monte Carlo, 1995-2005 Pontiac Bonneville, 1996-2004 Buick Regal, 1997-2003 Pontiac Grand Prix, 1995-2002 Chevrolet Camaro, 1995-2002 Pontiac Firebird, 1995-1999 Buick Riviera, 1998-1999 Chevrolet Lumina, 1995-1999 Oldsmobile 88, 1998-1999 Oldsmobile Intrigue, 1996-1999 Oldsmobile LSS, 1997-1998 Oldsmobile Regency, and 1995-1996 Oldsmobile 98. This part cross-references Delphi CV10151 and Four Seasons 76051 for the same application.

What It Helps Address

• Unstable or fluctuating idle speed
• Stalling when the engine returns to idle
• Rough idle after throttle release
• Idle control issues on GM fuel-injected engines
• Driveability concerns tied to air bypass control

Installation Notes

Verify connector style, terminal count, and mounting points before installation. Clean the throttle body and related passages during service so the replacement idle air control valve can operate correctly. Confirm fitment by year, make, and model, including the listed auxiliary air valve applications where applicable.

Quality Assurance

Standard specifies this AC66T valve with quality components for dependable service. It is listed as a replacement for Standard Ignition AC66 and Walker Products 215-1038 applications.