Product Description
MAHLE GS33937 is an OE-quality turbocharger mounting gasket set engineered for the 2011–2016 GM 6.6L Duramax (LML/LGH). It includes the critical gaskets and seals needed when reinstalling a stock-replacement turbo, delivering OE fit, long service life, and leak-free performance.
- Applications: 2011–2016 GM 6.6L Duramax LML/LGH
- Construction: OE-equivalent materials, meets or exceeds OE specs
- Typical contents: turbocharger to up-pipe gaskets and related seals (contents may vary by batch)
- GTIN/UPC: 639789280794
Fitment
- 2011–2016 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax (LML)
- 2011–2016 GMC Sierra 2500HD/3500HD 6.6L Duramax (LML)
- 2011–2016 GM 6.6L Duramax (LGH) fleet/medium-duty applications where equipped
Cross Reference / Interchange
- Alliant Power: AP0165 (install kit, LML/LGH)
- GM: 97192618 (up-pipe to turbo gasket), 12637217 (upper turbo oil drain gasket), 12637218 (lower turbo oil drain gasket), 12631851 (turbo mouthpiece/inlet seal)
- MAHLE: F32918 (up-pipe to turbo gasket used across LB7–LML)
What’s Included
Turbo mounting gaskets & seals for reinstalling the turbocharger on LML/LGH platforms. Head/manifold hardware not included.
FAQ
Will GS33937 fit my 2011–2016 Duramax?
Yes—this set is listed for 2011–2016 6.6L Duramax LML/LGH applications.
Does the kit include every line seal and bolt?
It targets the turbo mounting interfaces. Depending on mileage and corrosion, add individual GM seals or an expanded install kit as needed.
Is this OE-equivalent quality?
Yes—materials and specs meet or exceed OE for reliable sealing under heat and boost.
Best practice during install?
Clean and inspect mating surfaces, follow GM torque specs and fastener reuse guidance, and verify no exhaust or oil leaks on first heat cycle.
