MAHLE 224-3409.020 OE Replacement Engine Piston Set +.020 Oversize

As one of the world's largest OE piston manufacturers, MAHLE engineers these pistons to the same exacting standards as original factory components, making them an ideal choice for engine rebuilds and overhauls.

These cast aluminum dish-top pistons feature a 4.110" bore diameter and are engineered with expansion-controlled designs that allow for tight fitting clearances. This precision fit reduces engine noise, minimizes wear, controls emissions, and improves oil management throughout the engine's service life.

Key Features:

• +.020" oversize bore for use with freshly machined cylinder bores
• OE-matched specifications — same compensated ring grooves as factory pistons for proper ring loading and oil control
• Expansion-controlled piston design for small fitting clearances, reducing noise, wear, and emissions
• Cast aluminum construction — dish-top design engineered for the 7.3L diesel combustion chamber
• Manufactured by MAHLE, a globally recognized OE supplier trusted by engine builders worldwide

The MAHLE 224-3409.020 piston set delivers the fitment precision and long-term durability demanded by professional engine builders. Each set ships ready for installation with the wrist pin and clips included, streamlining the rebuild process.