Enginetech GM403HS-C Head Gasket Set for GM Duramax Diesel - 6.6L

The Enginetech GM403HS-C is a comprehensive cylinder head gasket set designed specifically for GM 6.6L (403 cubic inch) Duramax diesel engines. This professional-grade gasket set provides all the essential sealing components needed for cylinder head service and rebuild work on Duramax-equipped trucks and vans.

Key Features:

• Complete head gasket set for GM 6.6L Duramax diesel engines
• Multi-layer steel (MLS) head gasket construction for superior sealing
• Includes cylinder head gaskets and all associated top-end sealing components
• Precision-engineered for exact OE fitment and specifications
• Professional-grade quality suitable for engine rebuilds and repairs
• Manufactured to meet or exceed OEM standards

This head gasket set includes the critical sealing components required for proper cylinder head installation, providing reliable sealing performance under the high pressures and temperatures of diesel engine operation. Enginetech gaskets are manufactured using high-quality materials and precise manufacturing processes to ensure optimal performance and longevity in demanding diesel applications.

Application Note: This gasket set is designed for GM 6.6L Duramax diesel engines. Verify your specific engine application and VIN code before ordering to ensure proper fitment. New head bolts or studs are recommended for installation.