Echo Carburetor Pb-500h Pb-500t Eb508rt Blower

Genuine Echo Carburetor PB-500H PB-500T EB508RT Blower | OEM A021001642 WLA-1

Is your Echo PB-500 blower difficult to start, "surging" at idle, or bogging down when you try to clear heavy leaves? On mid-size professional blowers, the carburetor is the heart of the machine. This Genuine OEM Carburetor is the factory-correct replacement for Echo Part # A021001642 (supersedes A021001641), specifically calibrated for the PB-500 and EB508 series.

Don't settle for low-quality aftermarket carburetors that use inconsistent jetting and stiff diaphragms. This Genuine Echo unit is built to withstand modern ethanol-blended fuels and is precision-tuned to provide the exact air-fuel mixture required for your 50.8cc engine to reach its full rated RPM and blowing force.

• Factory-Calibrated WLA-1 Model: Pre-set for immediate "plug-and-play" performance—no complicated tuning required.

• Ethanol-Resistant Internals: Manufactured with high-grade materials designed to resist the corrosive effects of modern pump gas.

• Smooth Throttle Transition: Eliminates the "flat spots" and lag when moving from idle to full power.

• Engine Protection: Maintains a consistent fuel flow to prevent the "lean-seize" conditions that can destroy your piston and cylinder.

• Broad Serial Compatibility: Designed to fit a wide range of production years for the PB-500 series.

• Manufacturer: Echo (Genuine OEM)

• Model: WLA-1

• Part Number: A021001642 (Replaces A021001641)

• Application: Backpack Blower Fuel System

• Condition: Brand New

Directly fits the following models (Please verify your Serial Number):

• Echo PB-500H & PB-500T (All major serial ranges including P018, P019, P020, P021, P022, P023, P312, P313, P314, P315, P329, and P330).

• Echo EB508RT (Serial ranges P387, P388, and P389).

• Echo PB-500 (Standard configuration).

🛠️ Professional Small Engine Pro-Tip: Don't let old fuel ruin a new carb! Installation Tip: Before installing this new carburetor, you MUST drain your fuel tank and replace the Echo Fuel Filter. If there is any debris or "sour" fuel left in the lines, it will instantly clog the microscopic internal screens of this brand-new unit. Maintenance Tip: Always check your Air Filter and Spark Plug when swapping the carb. A restricted air filter will make a new carburetor seem like it's running too rich. Tuning Tip: While these are factory-set, you may need a very minor "Low" speed adjustment once the engine is warm to match your local altitude. Pro-Check: Ensure the throttle cable is seated firmly in the brass barrel on the carb to prevent sticking or high-idle issues.

This is a Brand New Genuine Echo Component. It comes directly from the factory, fully assembled and ready to restore your blower to its original commercial-grade performance.

We offer Fast & Tracked Shipping within 1 business day. We ship daily from our USA warehouse—get your Echo back to work today!

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