AISEN Carburetor with Tune Up Kit for Echo GT200 GT200R GT2000SB PAS2100 PE2000 PPSR2122 SHR210 SRM2100 GT2000 GT2100 Trimmer C1U-K52 12520013314 12520013312 For ECHO SRM2100 GT2000 GT2100 PAS2000 PAS2100 PAS2110 SHC1700 SHC2100 SRM2110 Replace ZAMA C1U-K52 C1U-K47 C1U-K29 Replace Echo Trimmer OEM Part 12520013312 125200133313 1252001331412520013311 12520049030 12520046831