GM 97188685 EXHAUST MANIFOLD TO UP-PIPE GASKET FOR 2001–2016 GM 6.6L DURAMAX

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The GM 97188685 Exhaust Manifold to Up-Pipe Gasket is an OEM sealing gasket designed for the exhaust connection between the Duramax exhaust manifold and turbocharger up-pipe. This critical gasket helps maintain proper exhaust pressure and prevents exhaust leaks that can affect turbo spool, engine efficiency, and EGT control.

Built to GM factory specifications, this gasket provides the correct fit and sealing surface required for reliable operation on 2001–2016 GM 6.6L Duramax diesel engines. Whether you're repairing an exhaust leak, replacing worn turbo components, or installing upgraded up-pipes, this OEM gasket ensures a secure seal at the manifold connection point.

Fitment

• 2001–2004 GM Silverado / Sierra 2500HD & 3500 — 6.6L LB7 Duramax
• 2004.5–2005 GM Silverado / Sierra 2500HD & 3500 — 6.6L LLY Duramax
• 2006–2007 GM Silverado / Sierra 2500HD & 3500 — 6.6L LBZ Duramax
• 2007.5–2010 GM Silverado / Sierra 2500HD & 3500 — 6.6L LMM Duramax
• 2011–2016 GM Silverado / Sierra 2500HD & 3500 — 6.6L LML Duramax
• Also fits GM Express / Savana 3500 & 4500 Cutaway Duramax models

Key Features

• Genuine GM OEM exhaust sealing gasket
• Seals exhaust manifold to turbo up-pipe connection
• Prevents exhaust leaks and boost loss
• Maintains proper turbo spool and exhaust pressure
• Direct replacement for factory gasket
• Designed for 2001–2016 6.6L Duramax engines

Specifications for GM 97188685

FAQ