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Mahle 67777 Engine Crankshaft Seal - RearOE Quality 60-Day Returns
Part #: 67777

Mahle 67777 Engine Crankshaft Seal - Rear

Rear
141 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, and Hummer, Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD, Express 2500, Express 3500, Savana 2500, Savana 3500, Silverado 2500 HD Classic, Silverado 3500 Classic, Sierra 2500 HD Classic, Sierra 3500 Classic, Silverado 3500, Sierra 3500, and H1
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Not what you need? See all Engine Crankshaft Seal options

Reliable Front Crankshaft Seal for Chevrolet, GMC, and Hummer

The Mahle Crankshaft Seal - Front (Part Number 67777) is engineered to provide a durable and precise seal for the front crankshaft on select Chevrolet, GMC, and Hummer models. Designed with fluoroelastomer material, this one-piece seal meets OEM standards to ensure proper fit and long-lasting performance.

Key Features of Mahle Crankshaft Seal 67777

  • Constructed from high-quality fluoroelastomer for enhanced resistance to heat and oil
  • One-piece seal style for simplified installation and reliable sealing
  • OEM standard item grade ensures compatibility and durability
  • No gasket included, designed to work with existing engine components
  • Compatible with multiple Chevrolet, GMC, and Hummer heavy-duty models

About the Crankshaft Seal - Front Product Line

The Mahle Crankshaft Seal - Front product line focuses on delivering precise sealing solutions for engine crankshafts. This line emphasizes material quality and design integrity to maintain engine oil containment and prevent leaks. The 67777 seal is part of this line, offering a one-piece fluoroelastomer construction that aligns with OEM specifications for reliable engine performance.

Detailed Product Description

This front crankshaft seal is specifically designed for use in Chevrolet Express 2500 and 3500, GMC Savana 2500 and 3500, Sierra 2500 HD and 3500 series, Silverado 2500 HD and 3500 series, and Hummer H1 models. The fluoroelastomer material provides excellent resistance to engine oils, high temperatures, and wear, which helps maintain a secure seal over time. The one-piece design simplifies installation and reduces the risk of leaks caused by improper assembly. The seal does not include a gasket, so it is intended to be installed with the existing engine gasket system.

Common Applications and Issues Addressed

  • Prevents oil leaks from the front crankshaft area
  • Maintains engine oil pressure and cleanliness
  • Reduces risk of engine damage due to oil contamination
  • Eliminates crankshaft seal wear-related noise and vibration
  • Restores proper sealing after crankshaft or engine repairs

Installation Notes and Tips

  • Ensure the crankshaft surface is clean and free of debris before installation
  • Use appropriate tools to avoid damaging the seal during installation
  • Verify compatibility with your specific Chevrolet, GMC, or Hummer model before installation
  • Check for any existing gasket damage and replace if necessary
  • Follow manufacturer torque specifications for related components

Quality Assurance and Warranty

The Mahle Crankshaft Seal - Front 67777 is manufactured to meet OEM standards, ensuring consistent quality and fitment. The fluoroelastomer material and one-piece design contribute to the seal's durability and reliability. While specific warranty details are not provided, Mahle products typically adhere to strict quality control processes to support long-term engine performance.

BrandMahle
Part Number67777
Additional Package ContentsNone
Gasket IncludedNo
Item GradeOEM Standard
Seal MaterialFluoroelastomer
Seal StyleOne Piece

This part fits 141 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2024ChevroletSilverado 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2024ChevroletSilverado 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2024GMCSierra 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2024GMCSierra 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2023ChevroletSilverado 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2023ChevroletSilverado 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2023GMCSierra 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2023GMCSierra 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2022ChevroletSilverado 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2022ChevroletSilverado 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2022GMCSierra 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2022GMCSierra 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2021ChevroletSilverado 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2021ChevroletSilverado 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2021GMCSierra 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2021GMCSierra 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2020ChevroletSilverado 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2020ChevroletSilverado 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2020GMCSierra 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2020GMCSierra 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2019ChevroletSilverado 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2019ChevroletSilverado 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2019GMCSierra 2500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2019GMCSierra 3500 HD6.6LV8RearFluoroelastomer; Crankshaft Seal - Front
2018ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2018ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2018GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2018GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2017ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2017ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2017GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2017GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2016ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2016ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2016GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2016GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2015ChevroletExpress 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2015ChevroletExpress 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2015ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2015ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2015GMCSavana 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2015GMCSavana 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2015GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2015GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2014ChevroletExpress 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2014ChevroletExpress 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2014ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2014ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2014GMCSavana 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2014GMCSavana 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2014GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2014GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2013ChevroletExpress 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2013ChevroletExpress 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2013ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2013ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2013GMCSavana 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2013GMCSavana 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2013GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2013GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2012ChevroletExpress 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2012ChevroletExpress 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2012ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2012ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2012GMCSavana 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2012GMCSavana 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2012GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2012GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2011ChevroletExpress 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2011ChevroletExpress 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2011ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2011ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2011GMCSavana 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2011GMCSavana 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2011GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2011GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2010ChevroletExpress 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2010ChevroletExpress 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2010ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2010ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2010GMCSavana 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2010GMCSavana 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2010GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2010GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2009ChevroletExpress 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2009ChevroletExpress 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2009ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2009ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2009GMCSavana 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2009GMCSavana 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2009GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2009GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2008ChevroletExpress 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2008ChevroletExpress 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2008ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2008ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2008GMCSavana 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2008GMCSavana 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2008GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2008GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletExpress 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletExpress 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletSilverado 2500 HD Classic6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletSilverado 3500 Classic6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletSilverado 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007GMCSavana 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007GMCSavana 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007GMCSierra 2500 HD Classic6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007GMCSierra 3500 Classic6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2007GMCSierra 3500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2006ChevroletExpress 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2006ChevroletExpress 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2006ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2006ChevroletSilverado 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2006GMCSavana 25006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2006GMCSavana 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2006GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2006GMCSierra 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2006HummerH16.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2005ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2005ChevroletSilverado 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2005GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2005GMCSierra 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2004ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2004ChevroletSilverado 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2004GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2004GMCSierra 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2003ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2003ChevroletSilverado 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2003GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2003GMCSierra 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2002ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2002ChevroletSilverado 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2002GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2002GMCSierra 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2001ChevroletSilverado 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2001ChevroletSilverado 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2001GMCSierra 2500 HD6.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.
2001GMCSierra 35006.6LV8RearFuel Injector O-Ring Kit fits various engine models and sizes.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

BS 40683

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.