What does the '3.0K' designation mean for these rings?

The '3.0K' designation typically refers to the tension profile of the piston rings, which is important for proper sealing in diesel engines. This specific tension is engineered to work with the combustion characteristics of the Duramax diesel.

Are these rings compatible with all Duramax engines?

This set is specifically designed for GM 6.6L Duramax diesel engines with an 8-cylinder configuration and a 4.095-inch bore. Always verify your engine's specifications before ordering.

What is the significance of the 'DSL' designation?

The 'DSL' designation indicates that these rings are specifically manufactured for diesel engines. Diesel engines operate under different conditions than gasoline engines, requiring specialized ring materials and designs for durability and performance.

Mahle Duramax Piston Rings 4.095in 3.0K 2.0mm 3.0mm 4095MDK-

Name: Mahle MS GM Duramax 4.095in 3.0K 2.0mm 3.0mm Drop In Rings
Brand: Mahle
SKU: mahle-mahle-ms-gm-duramax-4-095in-3-0k-2-0mm-3-0mm-drop-in-rings-t14-179776
Price: 480.68 USD
Availability: BackOrder

Mahle MS GM Duramax 4.095in 3.0K 2.0mm 3.0mm Drop In Rings

$480.68

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Mahle MS GM Duramax 4.095in 3.0K 2.0mm 3.0mm Drop In Rings. Steel DSL rings for 8-cylinder engines.

Key Features

Fits GM 6.6L Duramax diesel engines.
4.095 inch bore size.
Top ring measures 2.0mm, second ring measures 3.0mm.
Steel DSL rings are built for diesel engine applications.
Designed as a drop-in replacement for easier installation.
Intended for 8-cylinder engine configurations.

This piston ring set is designed for GM 6.6L Duramax diesel engines. It is not CARB approved and cannot be shipped to California.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

If you're rebuilding the top end of your GM Duramax diesel, a solid set of piston rings is crucial for sealing the combustion chamber and ensuring proper engine performance. This set from Mahle is built for the 6.6L Duramax engine, offering a 4.095-inch bore size with specific dimensions for the top ring (2.0mm) and second ring (3.0mm), along with a 3.0K designation that indicates a specific tension profile for optimal sealing in diesel applications.

Mahle is a well-known name in engine components, and these rings are made from steel with a DSL (diesel) coating, designed to handle the higher pressures and temperatures found in diesel engines. They are a drop-in style ring, meaning they are designed to fit directly into the piston grooves without requiring additional machining, which can simplify the rebuild process. The 8-cylinder designation confirms they are intended for the V8 configuration of the Duramax.

Keep in mind that these rings are not CARB approved and cannot be shipped to California. Always refer to your vehicle's specific service manual for detailed installation procedures and torque specifications.