MS 271 Before serial number
1141 030 2012 Piston Assy
1141 020 1203 Cylinder & Piston Assy
MS 271 Above serial number
1141 030 2003 Piston Assembly
1141 020 1204 Cylinder & Piston Assy.
Not sure why the dealer cannot get them.
Not meaning to pile on but just ran across this thread. Love these saws. My father in law gave me an 056 in disrepair years ago. I restored it and now my son has it in CO. Also found an 028 in a dumpster and still had spark and compression...