The Mahle OE 6.6L Duramax .020 left-bank piston set for GM 2006–2009 LMM/LBZ (VIN 26D) is a cast set of four pistons supplied with rings for left-bank replacements. These OE-quality pistons use compensated ring grooves and expansion-controlled designs to support proper ring loading, better oil control and reduced engine noise and wear. The kit includes mounted rings, pins and clips to ease installation during rebuilds.
Mahle OE GM 6.6L Duramax 06-09 LMM LBZ Vin 26D .020 Left Bank Only Piston With Rings Set (Set of 4)