Mahle GS33678 Turbocharger Mounting Gasket Set

Brand Mahle GS33678
Fits Chevrolet, GMC, and Hummer · 69 vehicles

Turbocharger gasket set. Provides dependable sealing for a secure, leak-resistant fit.

OEM-trusted sealing. Built on MAHLE's sealing expertise for professional-grade service.

Cross-references FEL-PRO ES73047 for the same application. See all 1.

$66.82Free shipping
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Turbocharger Mounting Gasket Set for GM Diesel Applications

Mahle GS33678 is a turbocharger mounting gasket set for select Chevrolet, GMC, and Hummer diesel applications. It is built for sealing the turbocharger connection points where exhaust pressure and heat demand a reliable gasket interface.

This part cross-references FEL-PRO ES73047 for the same application.

Key Features

  • Turbocharger mounting gasket set for exhaust-side sealing
  • Mahle sealing product line used by OEMs and technicians worldwide
  • Direct-fit coverage for select Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra HD, Express van, Savana van, and Hummer H1 applications
  • Part number GS33678 for catalog and service lookup
  • Built for high-heat turbocharger mounting locations

Detailed Description

Mahle GS33678 is a turbocharger mounting gasket set made for diesel trucks and vans that use a turbocharger-to-engine sealing interface. It serves Chevrolet Silverado 2500 HD and Silverado 3500 HD, GMC Sierra 2500 HD and Sierra 3500 HD, Chevrolet Express 2500 and Express 3500, GMC Savana 2500 and Savana 3500, plus 2006 Hummer H1 coverage. If you are searching for a turbocharger mounting gasket set for Chevrolet Silverado 2500 HD or GMC Sierra 3500 HD, GS33678 is the catalog reference to verify.

Mahle gaskets are known for consistent sealing performance in OEM and technician service environments. The GS33678 part number is also useful when cross-checking service records or replacing a leaking turbo mounting gasket on GM diesel platforms.

Common Problems This Part Can Address

  • Exhaust leakage at the turbocharger mounting flange
  • Soot marks or odor around the turbo-to-manifold sealing area
  • Loss of sealing integrity after turbocharger service
  • Noise caused by a compromised exhaust gasket joint
  • Fitment verification for GM diesel turbocharger mounting repairs

Installation Notes and Tips

Confirm engine and turbocharger configuration before ordering, since fitment varies by year and model. Clean all mating surfaces thoroughly before installation and inspect the flange for warpage, corrosion, or carbon buildup. Use the vehicle service procedure for torque sequence and recheck the joint after heat cycling if required by the repair process. For parts lookup, keep GS33678 and the vehicle application details together when comparing against service information.

Quality Assurance

Mahle supplies sealing products trusted in OEM and professional repair environments. GS33678 is a Mahle turbocharger mounting gasket set engineered for the listed Chevrolet, GMC, and Hummer applications.

  • Fits 2006-2010 Chevrolet Express 2500, N/A
  • Fits 2006-2010 Chevrolet Express 3500, N/A
  • Fits 2001-2010 Chevrolet Silverado 2500 HD, N/A
  • Fits 2007-2010 Chevrolet Silverado 3500 HD, N/A
  • Fits 2006-2010 GMC Savana 2500, N/A
  • Fits 2006-2010 GMC Savana 3500, N/A
  • Fits 2001-2010 GMC Sierra 2500 HD, N/A
  • Fits 2007-2010 GMC Sierra 3500 HD, N/A
  • Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A
  • Fits 2007 Chevrolet Silverado 3500 Classic, N/A
  • Fits 2007 GMC Sierra 2500 HD Classic, N/A
  • Fits 2007 GMC Sierra 3500 Classic, N/A
  • Fits 2001-2006 Chevrolet Silverado 3500, N/A
  • Fits 2001-2006 GMC Sierra 3500, N/A
  • Fits 2006 Hummer H1, N/A
This part fits 69 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2010ChevroletExpress 25006.6LV8
2010ChevroletExpress 35006.6LV8
2010ChevroletExpress 45006.6LV8
2010ChevroletSilverado 2500 HD6.6LV8
2010ChevroletSilverado 3500 HD6.6LV8
2010GMCSavana 25006.6LV8
2010GMCSavana 35006.6LV8
2010GMCSavana 45006.6LV8
2010GMCSierra 2500 HD6.6LV8
2010GMCSierra 3500 HD6.6LV8
2009ChevroletExpress 25006.6LV8
2009ChevroletExpress 35006.6LV8
2009ChevroletExpress 45006.6LV8
2009ChevroletSilverado 2500 HD6.6LV8
2009ChevroletSilverado 3500 HD6.6LV8
2009GMCSavana 25006.6LV8
2009GMCSavana 35006.6LV8
2009GMCSavana 45006.6LV8
2009GMCSierra 2500 HD6.6LV8
2009GMCSierra 3500 HD6.6LV8
2008ChevroletExpress 25006.6LV8
2008ChevroletExpress 35006.6LV8
2008ChevroletSilverado 2500 HD6.6LV8
2008ChevroletSilverado 3500 HD6.6LV8
2008GMCSavana 25006.6LV8
2008GMCSavana 35006.6LV8
2008GMCSierra 2500 HD6.6LV8
2008GMCSierra 3500 HD6.6LV8
2007ChevroletExpress 25006.6LV8
2007ChevroletExpress 35006.6LV8
2007ChevroletSilverado 2500 HD6.6LV8
2007ChevroletSilverado 2500 HD Classic6.6LV8
2007ChevroletSilverado 3500 Classic6.6LV8
2007ChevroletSilverado 3500 HD6.6LV8
2007GMCSavana 25006.6LV8
2007GMCSavana 35006.6LV8
2007GMCSierra 2500 HD6.6LV8
2007GMCSierra 2500 HD Classic6.6LV8
2007GMCSierra 3500 Classic6.6LV8
2007GMCSierra 3500 HD6.6LV8
2006ChevroletExpress 25006.6LV8
2006ChevroletExpress 35006.6LV8
2006ChevroletSilverado 2500 HD6.6LV8
2006ChevroletSilverado 35006.6LV8
2006GMCSavana 25006.6LV8
2006GMCSavana 35006.6LV8
2006GMCSierra 2500 HD6.6LV8
2006GMCSierra 35006.6LV8
2006HummerH16.6LV8
2005ChevroletSilverado 2500 HD6.6LV8
2005ChevroletSilverado 35006.6LV8
2005GMCSierra 2500 HD6.6LV8
2005GMCSierra 35006.6LV8
2004ChevroletSilverado 2500 HD6.6LV8
2004ChevroletSilverado 35006.6LV8
2004GMCSierra 2500 HD6.6LV8
2004GMCSierra 35006.6LV8
2003ChevroletSilverado 2500 HD6.6LV8
2003ChevroletSilverado 35006.6LV8
2003GMCSierra 2500 HD6.6LV8
2003GMCSierra 35006.6LV8
2002ChevroletSilverado 2500 HD6.6LV8
2002ChevroletSilverado 35006.6LV8
2002GMCSierra 2500 HD6.6LV8
2002GMCSierra 35006.6LV8
2001ChevroletSilverado 2500 HD6.6LV8
2001ChevroletSilverado 35006.6LV8
2001GMCSierra 2500 HD6.6LV8
2001GMCSierra 35006.6LV8
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — ES73047