Genuine OEM Volkswagen Piston Complete, part number 03F107065F. This piston is a fundamental component of the internal combustion engine, converting the thermal energy from fuel combustion into mechanical work. It forms part of the reciprocating assembly, working with the connecting rod to drive the crankshaft. Manufactured from high-strength alloys for durability and performance under extreme temperatures and pressures. Genuine OEM pistons ensure exact fitment and material integrity for engine longevity.