ACDelco 19421333 Sequential Multi-Port Fuel Injector

The ACDelco 19421333 Sequential Multi-Port Fuel Injector is a GM Genuine Parts original equipment component designed to deliver precise fuel metering for optimal engine performance. This electro-magnetic valve meters fuel directly into the engine's intake manifold or cylinders for efficient combustion, ensuring your GM vehicle operates at peak performance levels.

How It Works: The engine control module (ECM) operates the injector by applying an electric current to the injector solenoid winding, which causes the needle valve to open and allows pressurized fuel to be atomized into the intake airstream. This precise fuel delivery system is essential for maintaining proper air-fuel ratios and optimal engine operation.

Key Features:

• GM Genuine Parts original equipment quality - designed, engineered, and tested to rigorous GM standards
• Atomizes fuel into the intake manifold or cylinders as part of the fuel and engine management system
• Allows for quick throttle response and smooth acceleration
• Assists in cold engine starts for reliable performance in all conditions
• Injector seals included for complete installation
• Backed by General Motors warranty coverage
• Manufactured to GM OE specifications for fit, form, and function

This fuel injector replaces GM part number 12580681 and is a direct replacement for your vehicle's original factory component. When you need a match to GM Original Equipment specifications, trust ACDelco to deliver the quality, reliability, and durability you expect from General Motors. Properly functioning fuel injectors are essential for maintaining fuel efficiency, reducing emissions, and ensuring your vehicle runs flawlessly.