Zama OEM Carburetor Carb C1U-K42B fits Echo PB-2100 PB2100 Handheld Power Blower Specs - Refer to images 2 & 3 for more information Includes - (1) Carburetor; comes as shown in the first image Not compatible with greater than 10% ethanol fuel Please confirm your OEM part number, along with your unit's model, spec, type/code, and serial number to ensure this is the correct part for your unit. This part may replace multiple OEM numbers, so verifying every detail is important for a proper fit. If you're unsure or have questions about compatibility, feel free to contact us! Zama Carburetor C1U-K42B