The Mahle OE 6.6L Duramax .020 right-bank piston set for GM 2006–2009 LMM/LBZ (VIN 26D) is a cast four-piece replacement supplied with rings. Built to OE standards, these pistons employ compensated ring grooves and expansion-controlled geometry to improve ring loading, oil control and reduce noise and wear. The assembly comes with mounted rings plus pins and clips to simplify engine repairs.
Mahle OE GM 6.6L Duramax 06-09 LMM LBZVin 26D .020 Right Bank Only Piston With Rings Set (Set of 4)