The Mahle OE 6.6L Duramax .030 left-bank piston set for GM 2006–2009 LMM/LBZ (VIN 26D) is a cast replacement set of four pistons with rings ready to install. These OE-grade pistons feature compensated ring grooves and expansion-controlled designs to aid oil control, reduce engine noise and wear. The package includes mounted rings and the necessary pins and clips for a straightforward rebuild.
Mahle OE GM 6.6L Duramax 06-09 LMM LBZ Vin 26D .030 Left Bank Only Piston With Rings Set (Set of 4)