Mahle OE GM 6.6L Duramax R w/ PCR - STD DSL .030 Piston With Rings Set (Set of 4)

Mahle is one of the largest original equipment piston manufacturers globally, known for providing parts that meet the same specifications as what came on your vehicle from the factory. If you're rebuilding the engine in your 2001-2005 Chevrolet Silverado 2500 HD or 3500, or your GMC Sierra 2500 HD or 3500, this Mahle OE Piston With Rings Set is designed to get your 6.6L Duramax engine running right again. This set includes four pistons, each with compensated ring grooves to ensure proper ring loading and effective oil control, which helps reduce engine wear and emissions. The expansion-controlled design also allows for tight fitting clearances, contributing to quieter engine operation and improved oil management.

This set comes ready for installation, with the piston rings already mounted. Mahle includes the necessary wrist pins and clips, so you have everything you need to get your engine back together. These pistons are specifically made for the 6.6L Duramax R w/ PCR diesel engine and are .030 inch undersize, which is important to note if you are machining your cylinders. Using OE-quality pistons like these helps ensure that your engine rebuild meets original performance and durability standards.