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The MAHLE OE piston set for GM 6.6L Duramax (2006–2009 LMM/LBZ, VIN 26D) is offered as a set of four OE-quality pistons with a .030" specification for left-bank replacement. These pistons include compensated ring grooves for proper ring loading and oil control and expansion-controlled designs for tight fitting clearances that reduce noise, wear, and emissions. MAHLE supplies ready-to-install pistons and can include mounted rings, plus pin and clips for builder convenience.
Mahle OE GM 6.6L Duramax 06-09 LMM LBZ Vin 26D .030 Left Bank Only Piston Set (Set of 4)
