ACDelco 12747434 GM OE Cylinder Head Gasket

The ACDelco 12747434 is a GM Original Equipment cylinder head gasket designed as a direct-fit replacement for GM vehicles. As a genuine OE part, it is manufactured to the exact specifications used during original vehicle production, ensuring a precise fit and reliable seal between the engine block and cylinder head.

Key Features:

• Genuine GM Original Equipment part — not an aftermarket substitute
• Seals combustion chambers and prevents cross-contamination of coolant and oil passages
• Engineered to withstand the high heat and compression generated by the engine
• Multi-layer steel (MLS) construction for spring-like sealing performance and long-term durability
• Manufactured to GM OE specifications for exact fit, form, and function
• Direct factory replacement — no modifications required for installation

A properly functioning cylinder head gasket is critical to engine health. ACDelco GM OE parts are designed, engineered, and tested to rigorous General Motors standards, making part number 12747434 the recommended replacement for the original factory component.