Aprašymas
Restore reliable fuel delivery and engine performance with this complete aftermarket carburetor for selected Stihl backpack blowers and mistblowers.
A worn, blocked or damaged carburetor can cause difficult starting, poor acceleration, unstable idling, fuel leakage or an engine that only runs with the choke engaged. Replacing the complete assembly is a practical solution when cleaning or adjustment no longer resolves these problems.
Compatible models commonly include:
- Stihl BR340
- Stihl BR380
- Stihl BR420
- Stihl BR420C
- Stihl SR420
OEM reference:
- 4203 120 0610
- 4203-120-0610
Carburetor reference:
- Walbro HD-45
Product details:
- Product type: complete carburetor assembly
- Brand: Winzor
- Compatible brand: Stihl
- Engine type: two-stroke petrol
- Application: backpack blower or mistblower
- Condition: new aftermarket replacement part
Important fitment information
Stihl BR420 machines were manufactured with several carburetor versions, including Walbro HD-28, HD-29 and HD-45. This carburetor is intended for machines using the HD-45 version associated with OEM number 4203 120 0610.
Before ordering, compare the OEM number and carburetor marking with the original part. Also check the throttle linkage, choke mechanism, fuel inlet, impulse connection, mounting-hole positions and adjustment-screw layout.
Professional installation is recommended. Final idle-speed and fuel-mixture adjustment may be required after fitting.












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