What does it mean that these pistons are 0.030 inches undersize?

This means the pistons are machined 0.030 inches smaller than the original factory bore size. This is common for engine rebuilds to account for wear or to achieve a specific clearance. You should confirm this is the correct size for your engine's bore.

Does this piston set come with everything needed for installation?

Yes, this set includes the pistons with the piston rings already mounted, along with the piston pin and clips. This provides a convenient, ready-to-install package for your engine rebuild.

Are these pistons suitable for all 6.6L Duramax engines?

This specific set is designed for the 6.6L Duramax LMM and LBZ engines from 2006-2009 with the VIN code 26D, and is for the right bank only. It's crucial to verify your engine's specific model, year, VIN code, and bank requirement before purchasing.

Mahle OE GM 6.6L Duramax Piston Set .030 Right Bank 22437080

Name: Mahle OE GM 6.6L Duramax 06-09 LMM LBZ Vin 26D .030 Right 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-right-bank-only-pist-t14-53069
Price: 548.43 USD
Availability: BackOrder

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

Key Features

Fits 2006-2010 Chevrolet and GMC 6.6L Duramax trucks and vans.
Mahle OE quality pistons meet original equipment specifications.
Features compensated ring grooves for proper ring loading and oil control.
Expansion-controlled design reduces engine noise, wear, and emissions.
Includes mounted piston rings, pin, and clips for easier installation.
This set is for the right bank only and is machined 0.030 inches undersize.

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Will this fit your vehicle?

Product Details

Mahle is one of the biggest OE piston manufacturers in the world, known for making parts that meet original equipment specifications. This piston set is built to OE quality for GM 6.6L Duramax engines, specifically for the LMM and LBZ models from 2006 to 2009 with the VIN code 26D. This set is for the right bank only and is machined 0.030 inches oversize, which is important to note for your rebuild.

These pistons feature compensated ring grooves, ensuring proper ring loading and effective oil control. They also have an expansion-controlled design, which allows for tighter fitting clearances. This helps reduce engine noise, wear, and emissions, while also improving overall oil control. For your convenience, Mahle includes these pistons with the piston rings already mounted, along with the necessary pin and clips, so they are ready for installation right out of the box. This makes the rebuilding process smoother for you.

This set is designed for the right bank of your Duramax engine and is precisely machined 0.030 inches undersize. It's important to confirm this is the correct size for your specific engine build. This piston set is a solid option for rebuilding your Duramax engine to its original specifications.