Wärtsilä 46 Piston High-performance pistons for Wärtsilä 46 engines, designed to withstand high thermal and mechanical loads in marine propulsion and power generation applications. Available in new, reconditioned, or fully assembled configurations. OEM-grade alloy steel or forged construction Hard anodized or chrome-plated ring grooves Skirt and crown wear zones fully inspected or replaced Suitable for both HFO and MDO operation Delivered as bare piston, piston with rings, or complete piston assemblies All pistons undergo dimensional verification, hardness testing, and crack detection (MPI/UT). Quality and traceability documentation available upon request. Request a quote or technical datasheet today.