The Mahle OE piston set for GM 6.6L Duramax (2006–2009 LMM/LBZ, VIN 26D) covers the right bank only and is supplied as a set of four pistons sized .040. These OE-quality pistons incorporate compensated ring grooves and expansion-controlled designs to aid oil control, reduce engine noise and wear, and help control emissions. Pistons are shipped ready for installation with mounted rings, pins, and clips.
Mahle OE GM 6.6L Duramax 06-09 LMM LBZVin 26D .040 Right Bank Only Piston With Rings Set (Set of 4)