Replaces:
ECHO 12530042030
ZAMA RB-21
Fits Model:Zama C1U-K4; C1U-K7, A; C1U-K8, A; C1U-K9, A; C1U-K10; C1U-K11; C1U-K14; C1U-K15, A-B; C1U-K16,A; C1U-K26; C1U-K29 and C1U-K32, A carburetors; ECHO SRM1500, SRM2300, HC1000, SHR-040, SV4,HC1500, PB1000, GT2103 and GT1100 trimmers
Specifications: Not compatible with greater than 10% ethanol fuel
