Fitment: For Echo GT-2000, GT-2000EZR, GT-2000R, GT-2000SB, and GT-2400 Curved Shaft Grass Trimmer For Echo SRM-2100, SRM-2100SB, SRM-2110, SRM-2400, and SRM-2410 Straight Shaft Trimmer/Brushcutter For Echo PE-2000, PE-2400, PAS-2000, PAS-2100, PP-1200, PP-1250, PP-1400, PP-800, and HCA-2400 Compatibility: Replace for Echo Trimmer Part Number: 12520013312 125200133313 12520013314 12520013311 12520049030 12520046831 Replace with ZAMA# carburetor: C1U-K29 C1U-K47 C1U-K52 Kit includes: 1 carburetor kit