Replace part numbers: K10-WAT.Fit Echo 3100 401 EVL 452 VL CS281 CS281 EVL CS302 CS302S CS304 VL CS315 CS320T CS340 EVL CS351 VL CS361 CS361 EVL CSV361 CS362 EVL CS370 CS400 EVL CS441 CS452 VL CS350T CS 3000 (With WT-248-1 and WT-317-1 Carburetor) CS3050 CS3100 CS3400 (All except WT-402-1 Carburetor) CS3450 (With WT-261-1 Carburetor) CS3600 chainsaw.Fit Echo CLSB4600 ES201AD F1P F2 G1 G1A GT160 GT160A GT200B GT1000 GTL140 H1 HT200 K3 KEH202 S2AP1 S2AP2 SRM160 M SRM190 SRM200 BE SRM200 DA SRM200 DB SRM250 E SRM300 SRM300 AE SRM302 ADX SRM310 SRM400 AE SRM402 DE SRM501 SRM2000 SRM2200 SRM3800 SRM4600 SV3 trimmer brush cutter