This is an aftermarket Crankcase Gasket Cylinder Gasket Muffler Gasket for ST MS361 Chain Saw. Replace OEM # 1135 029 0500, 1135 029 2300, 1125 149 0601 FARMERTEC POWER MACHINERY mainly produces the aftermarket parts for ST, HUSQ, HONDA, YAMAHA, ROBIN and ZENOAH ...