31148-P13-003 Wave Washer Screw - Overview. The 31148-P13-003 Wave Washer Screw is a specialized hardware component used within Honda marine engine systems. It plays a crucial role in securely fastening components by applying controlled tension to maintain assembly integrity. This screw is engineered to meet exact factory specifications, ensuring seamless compatibility and reliable performance. By incorporating the wave washer design, it prevents loosening caused by engine vibrations, thereby en