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MAHLE OE pistons for the GM 4.2L (2006–2009) are OE-quality cast pistons offered ready for installation with mounted rings, pins and clips included. They use compensated ring grooves and expansion-controlled designs to improve ring loading, oil control and fitment clearances, helping reduce engine noise, wear and emissions. MAHLE supplies OE-standard components intended to simplify rebuilds and deliver factory-level fit and finish.
Mahle OE GM 4.2L 06-09 0.50MM Piston Set (Set of 6)
