2004.5-2005 LLY Duramax DIY Headgasket Kit

Everything you need to tackle your headgaskets yourself at home. We used our years of experience to assemble what we consider a necessary list of parts to properly install headgaskets at home.

Add Left Headgasket

In this kit, you have the option to go with the head gasket alone if you've got gaskets from somewhere else. Or go for the full top-end kit, meaning you can freshen up the whole top end without having to shop around!

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2001-2016 Duramax Grade C Left Headgasket 1.05 (54585)-Headgaskets-Mahle-54585-Dirty Diesel Customs

Grade C Left Headgasket

This is a direct replacement gasket for your Duramax. Mahle (1.05mm) Headgaskets are build to meet or exceed OE specifications and are trusted by technicians all over the world.

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Add Right Headgasket

In this kit, you have the option to go with the head gasket alone if you've got gaskets from somewhere else. Or go for the full top-end kit, meaning you can freshen up the whole top end without having to shop around!

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2001-2016 Duramax Grade C Right Headgasket 1.05MM (54582)-Headgaskets-Mahle-54582-Dirty Diesel Customs

Grade C Right Headgasket

This is a direct replacement gasket for your Duramax. Mahle (1.05mm) Headgaskets are build to meet or exceed OE specifications and are trusted by technicians all over the world.

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Add Upper Gasket Set

Mahle Gasket sets take the hassle out of sourcing individual gaskets when replacing your headgasket on your Duramax Mahle gaskets are manufactured to meet or exceed OE specifications and are the technicians choice all over the world.

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2004.5-2010 Duramax Upper Engine Gasket Set (HS54580A)-Engine Gaskets-Mahle-HS54580A-Dirty Diesel Customs

Upper Engine Gasket Set

Features:

  • Complete OE Gasket / Seal Kit
  • Does not include Headgasket or Studs
  • Meets or Exceeds OE Specifications

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Add Head Studs

Let's face it, nobody wants to be tearing apart their Duramax to do the headgasket and studs. It's expensive, meticulous, and time-consuming - so if you're already in there, make sure you do the job right with ARP Head Studs. ARP has continually proven themselves to be the only head stud you can trust.

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2001-2016 Duramax ARP Head Stud Kit (230-4201)-Head Studs-ARP-230-4201-Dirty Diesel Customs

ARP Head Stud Kit

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining. 

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2001-2016 Duramax ARP Custom Aged 625+ Head Stud Kit (230-4202)-Head Studs-ARP-230-4202-Dirty Diesel Customs

Aged 625 ARP Head Stud Kit

These Custom Aged extra-strong Studs add another layer of security in your Duramax with minimum rating of 260,000psi tensile strength. This ensures that even with abnormally high combustion chamber pressure; these studs will provide the clamping strength necessary to keep your cylinder head from lifting.

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2001-2016 Duramax Heavy Duty Head Stud Kit (HSK66)-Head Studs-Gator Fasteners-HSK66-Dirty Diesel Customs

Gator HD Head Stud Kit


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2001-2005 Duramax HD Main Stud Kit (MSK667Y)-Main Stud Kit-Gator Fasteners-MSK667Y-Dirty Diesel Customs

Gator HD Head Stud Kit


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2001-2010 Duramax Heavy Duty Rod Bolt Kit (RBK66)-Head Studs-Gator Fasteners-RBK66-Dirty Diesel Customs

Gator HD Rod Bolt Kit

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Add EGR Delete

At Dirty Diesel Customs, we don't mess with anything but the highest quality parts, that's why we are excited to bring you the Dirty EGR Upgrade Kit.

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Summary