Stihl MS391 Piston Assembly (49mm) No. 1140-030-2003DOP28391MS391Stihl MS391 Piston Assembly (49mm) No. 1140-030-2003. This is a quality aftermarket Stihl MS391 piston assembly that fits a 49mm bore. It replaces OEM part numbers 1140 030 2003 and 11400302003. |
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