Carburetor for sthil 024 026 024AV 024S MS240 MS260 026 PRO MS260 PRO chainsaw. Carburetor for Walbro WT-194 WT-194-1, for Tillotson HU-136A HS-136A. Carburetor replaces part number: #1121 120 0611, 11211200611 Filter Replace #1121 120 1617, 11211201617, and it only fits new 024 026 chainsaws produced after the year 2000. Package Contents: 1 x Carburetor, 2 x Gaskets, 1 x Air Filter, 1 x Spark Plug, 1 x Impulse Line, 1 x Fuel Line, 1 x Fuel Filter, 1 x Oil Line, 1 x Oil Filter, 1 x Pad, 1 x Carburetor Cleaning Brush.