MAHLE 224-3730-0.25MM Engine Piston Set 0.25mm Oversize

The MAHLE 224-3730-0.25MM is a complete engine piston set manufactured to original equipment (OE) standards. MAHLE is one of the world's largest OE piston manufacturers, supplying major automotive assembly lines globally — meaning these pistons meet the same exacting tolerances and quality standards as the parts that came in your engine from the factory.

This set is sized at 0.25mm oversize, making it ideal for engine rebuilds where cylinders have been bored to restore proper wall geometry and surface finish.

Key Features:

• OE-Quality Construction — engineered to the same specifications as original factory-installed pistons
• Compensated Ring Grooves — ensures proper ring loading and optimal oil control throughout the engine's service life
• Expansion-Controlled Design — allows for tight fitting clearances that reduce engine noise, minimize wear, lower emissions, and improve oil control
• Ready-to-Install Kit — includes mounted piston rings, wrist pin, and clips for complete, convenient installation
• 0.25mm Oversize — designed for use in bored cylinders, restoring proper piston-to-wall clearance

MAHLE pistons are a trusted choice for professional engine builders and serious DIY rebuilders alike. With everything needed for installation included in the box, the MAHLE 224-3730-0.25MM delivers a straightforward, confidence-inspiring engine rebuild experience.