Common questions

Are all DuraMAX head gaskets the same?

Are all DuraMAX head gaskets the same?

While the GM Duramax 6.6 diesel is a great engine, if you keep it long enough you will probably be replacing the head gaskets at some point. The left and right gaskets are different and there are three different thickness grades.So how do you know what gaskets to pick? Read on.

Can you use the wrong head gasket on a Duramax Diesel?

While, Hoping that performance and reliability will not suffer. Above all, To maximize performance and longevity there is a proper gasket to use on the GM 6.6L Duramax Diesel. Consequently, After you have confirmed the piston protrusion. Therefore, Using the wrong head gasket on this engine could cause engine damage.

What kind of gasket does a GM 6.6L use?

The Cometic C15376-053 MLX Head Gasket (.053″ Thickness, Left) provides your 2001-2016 GM 6.6L Duramax with a gasket and seal that lasts! Cometic is a proud American manufacturer that builds their products with American made materials. Some of the best on the market, Cometic gaskets provide a seal that exceeds OE specs.

Which is the best timing seal for a Duramax?

The perfect replacement for your failing gasket, the Cometic C15045 Timing Cover Seal provides your 2001-2007 GM 6.6L Duramax with a solid seal. Engine builders around the globe choose Cometic for their quality and performance.

What are the different types of head gaskets?

As a result, GM offers three different thickness head gaskets depending on the amount of piston protrusion the engine has. There are also different head gaskets for the left and right bank of the engine.

What kind of gasket do I need for my GM Duramax?

The perfect replacement for your failing gasket, the Cometic C15376-062 MLX Head Gasket (.062″ Thickness, Left) provides your 2001-2016 GM 6.6L Duramax with a solid seal. Cometic is a proud American manufacturer that builds their products with American made materials.

Why are my head gaskets on my Duramax truck failing?

One of the common issues we see with the Duramax engines is head gasket failures. The gaskets in all years of 6.6 Duramax pickups are a multi-layer steel style gasket. Over time as the head/block surfaces warp and the strength of the head bolts weaken, the head can lift causing combustion pressure to go directly into the coolant system.

The Cometic C15376-053 MLX Head Gasket (.053″ Thickness, Left) provides your 2001-2016 GM 6.6L Duramax with a gasket and seal that lasts! Cometic is a proud American manufacturer that builds their products with American made materials. Some of the best on the market, Cometic gaskets provide a seal that exceeds OE specs.

The perfect replacement for your failing gasket, the Cometic C15045 Timing Cover Seal provides your 2001-2007 GM 6.6L Duramax with a solid seal. Engine builders around the globe choose Cometic for their quality and performance.

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Ruth Doyle