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The MAHLE OE piston set for GM 6.6L Duramax (2006–2009 LMM/LBZ, VIN 26D) is a direct-quality replacement offered as a set of four pistons. These OE-level pistons include compensated ring grooves for correct ring loading and oil control, plus expansion-controlled designs for tight fitting clearances to reduce noise, wear, and emissions. MAHLE supplies ready-to-install pistons, available with mounted rings and including pin and clips for engine-builder convenience.
Mahle OE GM 6.6L Duramax 06-09 LMM LBZ Vin 26D .020 Left Bank Only Piston Set (Set of 4)
