ACDelco 12638428 Engine Air Intake Heater Gasket

The ACDelco 12638428 Engine Air Intake Heater Gasket is a GM Genuine Parts Original Equipment component designed to provide a reliable seal for the intake air heater assembly on 2011-2016 GM 6.6L Duramax LML diesel engines. This critical gasket ensures proper sealing between the intake air heater and the intake manifold, preventing air leaks that could affect engine performance and efficiency.

Key Features:

• Genuine GM Original Equipment part, manufactured to exact OE specifications
• Designed specifically for 2011-2016 Chevrolet Silverado and GMC Sierra 2500HD/3500HD with 6.6L Duramax LML diesel engines
• High-grade gasket material ensures durability and proper sealing
• Direct replacement for worn or damaged intake air heater gaskets
• Helps maintain optimal engine performance and prevents air leaks
• Backed by General Motors quality standards

This gasket is essential for maintaining proper intake system function in Duramax diesel engines. A worn or damaged intake air heater gasket can lead to vacuum leaks, reduced engine power, and poor fuel efficiency. Replacing this gasket during intake system maintenance or repair ensures proper sealing and reliable engine operation. ACDelco GM Original Equipment parts are designed, engineered, and tested to rigorous GM standards, providing the same performance and durability you expect from factory-installed components.