38mm Piston 10mm Pin Rings Kit For MS180 018 MS 180 Chainsaw Replacement Parts Garden Tool Piston kit compatible with 018 MS180 chainsaw models Includes 1 x 38mm piston, 1 x 10mm piston pin, 2 x circlip, and 4 x piston rings Designed as replacement for OEM part number 1130 030 2004 Suitable for use in garden tool maintenance and repair Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.