WEHRLI CUSTOM FAB WCF100363 01-16 CHEVROLET DURAMAX EXHAUST MANIFOLD KIT W/ GASKETS & HARDWARE

Product Description

Restore proper exhaust sealing and reliability with the WEHRLI CUSTOM FAB WCF100363 DURAMAX EXHAUST MANIFOLD KIT WITH GASKETS & HARDWARE. This complete replacement solution is designed for 2001-2016 Chevrolet and GMC Duramax diesel trucks and includes high-quality exhaust manifolds along with all required gaskets and mounting hardware for a clean, reliable installation.

Factory Duramax exhaust manifolds are known to warp, crack, or leak over time due to extreme heat cycles and engine load. The Wehrli Custom Fabrication replacement manifold kit provides a durable solution engineered to withstand the demands of towing, daily driving, and high-performance applications while restoring proper exhaust flow and turbocharger efficiency.

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Key Features

• Direct replacement exhaust manifold kit for Duramax diesel engines
• Includes gaskets and mounting hardware for complete installation
• Designed to restore proper exhaust sealing and turbo efficiency
• Heavy duty construction designed for high heat durability
• Ideal for stock replacement or performance builds
• Compatible with factory turbocharger configurations

Fitment

• 2001-2004 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LB7
• 2001-2004 GMC Sierra 2500HD / 3500HD 6.6L Duramax LB7
• 2004.5-2005 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LLY
• 2004.5-2005 GMC Sierra 2500HD / 3500HD 6.6L Duramax LLY
• 2006-2007 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LBZ
• 2006-2007 GMC Sierra 2500HD / 3500HD 6.6L Duramax LBZ
• 2007.5-2010 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LMM
• 2007.5-2010 GMC Sierra 2500HD / 3500HD 6.6L Duramax LMM
• 2011-2016 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax LML
• 2011-2016 GMC Sierra 2500HD / 3500HD 6.6L Duramax LML

Frequently Asked Questions

What is included in the WCF100363 kit?

The kit includes replacement Duramax exhaust manifolds along with the necessary gaskets and mounting hardware required for installation.

Will this work with the factory turbocharger?

Yes. This kit is designed to be compatible with factory turbocharger setups on all listed Duramax engines.

Why do Duramax exhaust manifolds fail?

Duramax exhaust manifolds are exposed to extreme heat and repeated thermal cycling. Over time this can cause warping, cracking, or gasket leaks that reduce turbo efficiency.

Is this a direct bolt-on replacement?

Yes. The Wehrli WCF100363 manifold kit is designed as a direct replacement for factory Duramax exhaust manifolds.

Do I need new turbo hardware when installing?

The kit includes the necessary manifold gaskets and hardware for installation. Additional turbo hardware may be required depending on vehicle condition.

Specifications for WEHRLI CUSTOM FAB WCF100363