12617944 GM Metal gasket

What is this part?

The GM metal gasket 12617944 is a genuine OEM sealing component designed to create a durable seal between metal mating surfaces in high-load automotive systems.

What does it do?

This OEM metal gasket provides a rigid, heat-resistant seal in applications where high temperatures, pressure, or mechanical stress exceed the capabilities of rubber or composite gaskets. It is commonly used in engine, exhaust, turbocharger, transmission, or differential assemblies. Manufactured from steel, aluminum, copper, or multi-layer metal materials, a genuine GM metal gasket ensures consistent sealing, dimensional accuracy, and long-term reliability under extreme operating conditions.

When to replace

The GM metal gasket 12617944 should be replaced whenever the sealed component is removed or if leaks, deformation, corrosion, or loss of sealing integrity are detected. Reusing a metal gasket can lead to exhaust leaks, pressure loss, overheating, or component damage. Installing a genuine OEM gasket restores correct sealing and system performance.

Compatibility

The genuine GM metal gasket 12617944 is compatible with selected GM vehicles and specific applications. Compatibility depends on system location, engine or component type, and model year. Always verify the part number 12617944 before purchase to ensure correct fitment.

Installation: DIY or service?

Installation of the genuine OEM GM metal gasket 12617944 may be suitable for DIY maintenance on accessible components. Precise surface cleaning, correct alignment, and proper torque specifications are critical. For high-temperature or high-pressure systems, professional installation is recommended to ensure reliable sealing and prevent damage.