Walbro K27-WAT Carburetor Repair Kit for Echo CS-3000, CS-3400, CS-3450Walbro K27 WAT Carburetor Repair Kit for Echo CS 3000, CS 3400, CS 3450 Made to OEM Specs to Provide a Direct Fitment & Easy Install! Manufactured with High Grade Materials by an Industry Leader Expedited International Shipping to the U. S. OEM Cross References: K27 WAT Fits Models: Echo: CS 3000, CS 3400, CS 3450 Walbro: WT 780, WT 781, WT 901, WT 906, WT 910, WT 927, WT 929, WT 930, WT 932, WT 934, WT 935, WT 936, WT 941, WT 942, WT 948, WT 980, WT