ACDelco 12564499 GM OE Engine Intake Manifold Assembly

The ACDelco 12564499 is a GM Original Equipment engine intake manifold designed, engineered, and tested to meet the rigorous standards set by General Motors. As a true OE replacement part, it delivers the precise fit, form, and function required to restore your GM vehicle's engine to factory specification.

Key Features:

• OEM-matched airflow distribution — evenly distributes the incoming air-fuel mixture to each cylinder for consistent combustion and engine performance
• Manufactured to GM OE specifications — ensures exact fit and compatibility with your GM vehicle's original factory component
• GM-recommended replacement — backed by General Motors for quality, reliability, and long-term durability
• Direct OE replacement — no modifications required for installation

Common symptoms of a failing intake manifold include rough idling, engine misfires, reduced power output, and illumination of the Service Engine Soon light. Replacing a worn or damaged intake manifold with a genuine ACDelco OE part restores proper air-fuel delivery and engine efficiency. Always refer to the vehicle's service manual for torque specifications and installation sequence.