What is the purpose of compensated ring grooves?

Compensated ring grooves are designed to ensure proper ring loading and effective oil control. This helps maintain good compression and prevent excessive oil consumption.

Are the piston rings included with this set?

Yes, these Mahle pistons come with the piston rings already mounted. The set also includes the piston pin and clips, making them ready for installation.

What does '.030' mean for these pistons?

The '.030' indicates that these pistons are 0.030 inches undersize compared to the standard bore size. This is common when rebuilding an engine that has been bored out to a larger diameter.

Mahle OE GM 6.6L Duramax Piston Set .030 Left Bank 224370903

Name: Mahle OE GM 6.6L Duramax 06-09 LMM LBZ Vin 26D .030 Left Bank Only Piston Set (Set of 4)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-gm-6-6l-duramax-06-09-lmm-lbz-vin-26d-030-left-bank-only-pisto-t14-53088
Price: 548.43 USD
Availability: BackOrder

Mahle OE GM 6.6L Duramax 06-09 LMM LBZ Vin 26D .030 Left Bank Only Piston Set (Set of 4)

$548.43

On Backorder

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

Mahle OE GM 6.6L Duramax 06-09 LMM LBZ Vin 26D .030 Left Bank Only Piston Set (Set of 4)

Key Features

Fits 2006-2010 Chevrolet and GMC 6.6L Duramax diesel vehicles.
Set includes four pistons for the left bank of the engine.
Pistons are .030 inches undersize.
Features compensated ring grooves for proper ring loading and oil control.
Expansion controlled designs reduce engine noise, wear, and emissions.
Pistons come with mounted piston rings, pin, and clips for installation convenience.

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Will this fit your vehicle?

Product Details

Mahle is one of the largest OE piston manufacturers in the world, known for producing pistons with the same great features found in factory-installed components. This piston set is specifically for the left bank of GM 6.6L Duramax diesel engines from 2006-2009 (LMM, LBZ, Vin 26D) and is sized .030 inches undersize. If you're rebuilding the top end of your Duramax, these pistons are built to OE specifications to ensure a smooth and efficient rebuild.

These pistons feature compensated ring grooves, which help ensure proper ring loading and effective oil control. They also incorporate expansion-controlled designs, allowing for small fitting clearances. This attention to detail helps reduce engine noise, minimize wear, lower emissions, and improve overall oil control. Mahle makes installation convenient by offering these pistons ready to go with the piston rings already mounted, and they include the necessary pin and clips for a complete assembly.

This set includes four pistons, intended for the left bank of your engine. They are designed to fit a range of Chevrolet and GMC trucks and vans, including models like the Silverado 2500 HD, Sierra 3500 HD, and Savana 2500. Always refer to your vehicle's specific service manual for detailed installation procedures and torque specifications.