Carburetor Assembly for Echo Gas Powered Leaf Blower Key benefits Restores proper fuel and air delivery so your blower starts reliably and runs smoothly. Direct replacement for the listed Echo models and Zama carburetor part numbers, minimizing fitment issues. Saves time and cost compared to buying a unit by replacing a worn or damaged carburetor. What this part does Function: Complete carburetor assembly that meters fuel and air to the engine for proper combustion and consistent operation. Fit and form: Designed as a direct replacement for the specified Echo MPNs and Zama carburetor models to match OEM mounting locations and connections. Compatibility MPN Part #: 12520008664, 12520008665, 12520008666, 12520008667 Fits Echo gas powered backpack leaf blowers: PB600, PB602, PB603, PB610, PB611, PB620, PB620H, PB620ST, PB6000 Replacement for Zama carb models: C1UK16A, C1MK49, C1MK49A, C1MK49B, C1MK49C Important attributes Function: Complete carburetor assembly for fuel/air metering and engine idling/throttle response. Compatibility: Matches the listed Echo blower models and Zama replacement part numbers to ensure proper fit. Fit/size: Manufactured to the same mounting and connection specifications as the original parts for direct installation on the listed models. Performance: Intended to restore reliable starting, steady idle, and predictable throttle response when the original carburetor is worn, clogged, or leaking. Use scenarios at home: a clogged or leaking carburetor on an Echo PB620 to stop rough idling and make the blower start easily again. Seasonal maintenance: Install as part of preseason service to ensure a rental or landscaping fleet blower runs reliably throughout the busy months. Workshop spare part: Keep on hand in a small engine for quick turnaround on Echo PBseries backpack blower repairs. Installation notes Designed to be a direct replacement for the listed MPNs and Zama references; verify model number and part number match before installation. Professional installation is recommended if you are not experienced with small engine carburetor work to ensure correct adjustment and safe operation. Includes Carburetor assembly compatible with the listed Echo MPNs and Zama replacement numbers. MPN and replacement references Echo MPN Part #: 12520008664, 12520008665, 12520008666, 12520008667 Replaces Zama carburetors: C1UK16A, C1MK49, C1MK49A, C1MK49B, C1MK49C