11257589348 Piston Ring Engine Supplies Accessories Auto Supplies For N12B16 STD Piston ring set designed for use with N12B16 STD engines.This component is part of the engine's internal assembly and helps maintain proper compression and oil control within the cylinder.The ring fits standard bore specifications and is intended for use in piston rebuilding or engine overhaul procedures.Suitable for automotive applications requiring precise fitment and performance under normal operating conditions. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.