FitBest Carburetor Carb for Zama C1U-K52 / C1U-K47 Fits Echo GT2000 GT2100 SRM2100 Series Brand new high quality aftermarket carb Fits zama C1U-K52, C1U-K47 Fits Echo Models: GT2000 GT2100 PAS2000 PAS2100 PAS2110 SHC1700 SHC2100 SRM2100 SRM2110 Echo Part Numbers 12520013312 125200133313 12520013314 12520013311 12520049030 12520046831 Please be sure your carb matches the Zama models above to ensure this is the correct carb