Mahle MIS19403 Engine Intake Manifold Gasket Set

Engine Intake Manifold Gasket Set for GM 6.6L Applications

The Mahle MIS19403 engine intake manifold gasket set is built for OE-standard sealing performance on select Chevrolet and GMC diesel applications. It uses molded rubber intake manifold and plenum gasket materials to help maintain a secure seal during intake service.

Compatible With 2006-2007 Chevrolet Express 2500, N/A; 2006-2007 Chevrolet Express 3500, N/A; 2006-2007 Chevrolet Silverado 2500 HD, N/A; 2007 Chevrolet Silverado 3500 Classic, N/A; 2006-2007 GMC Savana 2500, N/A; 2006-2007 GMC Savana 3500, N/A; 2007 GMC Sierra 3500 Classic, N/A; 2006 Chevrolet Silverado 3500, N/A; 2006 GMC Sierra 2500 HD, N/A; and 2006 GMC Sierra 3500, N/A.

• OE Standard item grade for factory-style sealing performance
• Molded rubber intake manifold gasket material
• Molded rubber plenum gasket material
• Plenum gasket included for intake service coverage
• Additional miscellaneous gaskets and seals included for intake installation
• Mahle sealing products are used by OEMs and technicians worldwide

Detailed Product Overview

Mahle MIS19403 is an intake manifold gasket set for GM truck and van platforms that require a precise seal at the intake manifold and plenum. The molded rubber construction supports consistent sealing on the Chevrolet Express 2500, Chevrolet Express 3500, Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Savana 2500, GMC Savana 3500, GMC Sierra 2500 HD, and GMC Sierra 3500 applications listed above. This part number, MIS19403, is a direct-fit sealing solution for intake service where OE-standard materials and fit are required.

This part cross-references no listed interchange numbers in the provided data.

Common Problems This Set Can Address

• Intake manifold vacuum leaks
• Air leakage at the plenum sealing surface
• Rough idle caused by intake sealing failure
• Loss of engine performance from compromised gasket sealing
• Coolant or oil seepage at intake-related sealing points

Installation Notes and Tips

Clean all mating surfaces thoroughly before installation and inspect the intake manifold and plenum for warpage or damage. Follow the vehicle service procedure for sealant use, torque sequence, and cure time where specified. Verify the application by year, make, and model before ordering; MIS19403 is listed for the GM Express, Savana, Silverado, and Sierra applications shown above.

Quality Assurance

Mahle sealing products are trusted by OEMs and technicians around the globe, and this gasket set is built to OE-standard expectations for intake sealing service.