Mahle MS19398 Exhaust Manifold Gasket Set

Exhaust Manifold Sealing for GM Trucks and Vans

Mahle MS19398 is an OEM-standard exhaust manifold gasket set built with multi-layered steel construction for reliable sealing at the exhaust manifold joint. It is engineered for a wide range of Chevrolet, GMC, and Hummer applications, including Silverado 2500 HD, Sierra 2500 HD, Express 2500, and Savana 3500 models.

For buyers searching for an exhaust manifold gasket set for 2001-2016 Chevrolet Silverado 2500 HD or 2006-2016 GMC Savana 3500, MS19398 provides a direct-fit sealing solution from a brand trusted by OEMs and technicians.

Key Features

• Multi-layered steel exhaust manifold gasket material for durable sealing performance
• OEM Standard item grade for service replacement applications
• Engineered for Chevrolet, GMC, and Hummer exhaust manifold service
• Mahle MS19398 exhaust manifold gasket set for direct replacement use
• Cross-references FEL-PRO MS 96543 and MS 96788 for the same application

Detailed Product Overview

Mahle MS19398 is an exhaust manifold gasket set designed to seal the connection between the exhaust manifold and cylinder head on select GM trucks and vans. The multi-layered steel construction helps maintain a consistent seal under exhaust heat cycling, making it a practical choice for service work on Chevrolet Silverado 3500 HD, GMC Sierra 3500 HD, and related platforms. This part number, MS19398, is also listed with General Motors references 97188684 and 98002804.

Compatible With 2001-2016 Chevrolet Silverado 2500 HD, 2007-2016 Chevrolet Silverado 3500 HD, 2006-2016 Chevrolet Express 2500, 2006-2016 Chevrolet Express 3500, 2001-2016 GMC Sierra 2500 HD, 2007-2016 GMC Sierra 3500 HD, 2006-2016 GMC Savana 2500, 2006-2016 GMC Savana 3500, 2001-2006 Chevrolet Silverado 3500, 2001-2006 GMC Sierra 3500, 2007 Chevrolet Silverado 2500 HD Classic, 2007 Chevrolet Silverado 3500 Classic, 2007 GMC Sierra 2500 HD Classic, 2007 GMC Sierra 3500 Classic, and 2006 Hummer H1.

Common Repair Uses

• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Ticking or puffing noise from a leaking manifold gasket
• Loss of exhaust sealing after manifold service or removal
• Heat-related gasket deterioration on GM truck and van exhaust systems
• Replacement of worn OEM-style exhaust manifold sealing components

Installation Notes and Tips

Inspect the exhaust manifold, cylinder head sealing surface, and fasteners before installation. Clean mating surfaces thoroughly and verify that the manifold is not warped or cracked, since surface damage can prevent a proper seal. Use the vehicle-specific fitment listing to confirm application before ordering MS19398 for your Chevrolet Silverado, GMC Sierra, Express, Savana, or Hummer H1.

Quality Assurance

Mahle manufactures sealing products used by OEMs and professional technicians worldwide. MS19398 is built to OEM-standard expectations for exhaust sealing service and is backed by Mahle’s established gasket manufacturing experience.