Podoy Carburetor Rebuild Gaskets Kit RB-21 for ECHO GT1100 2100 PB 1000 SRM 1400 Zama ZAMA C1U-K4 K7 K7A K8 K8A K9 K9A K10 K11 K14 K1 K15A K15B K16 K16A K26 K29 K29A K32 K32A Repair Kit for ZAMA C1U Carburetors and ECHO Trimmer and Blower....more Refer to ZAMA RB-21 ZAMA C1U-K4 K7 K7A K8 K8A K9 K9A K10 K11 K14 K1 K15A K15B K16 K16A K26 K29 K29A K32 K32A,ECHO 12530042030,John Deere AM104875 Fits C1U-K4; C1U-K7, C1U-K7A, C1U-K8, C1U-K8A, C1U-K9, C1U-K9A, C1U-K10, C1U-K11, C1U-K14, C1U-K15, C1U-K15A, C1U-K15B, C1U-K16, C1U-K16A, C1U-K26, C1U-K29, C1U-K32, C1U-K32A Also fits ECHO model with before zama carb: GT 1100, GT 2100, GT 2103, HC 1000, PB 1000, PB 1010, SRM 1400, SRM 2300, HC 1500 NON original aftermarket part