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Description
4149 120 0600 STIHL Carburetor RC2-S243E – Genuine OEM Part
The STIHL Carburetor RC2-S243E (4149 120 0600) is a genuine OEM carburetor designed for use on select STIHL trimmers, Kombi tools, and hedge trimmers (serial number ranges apply).
This carburetor meters the correct fuel/air mixture needed for smooth starting, stable idle, strong acceleration, and consistent power under load. Replacing a clogged, leaking, or worn carburetor can restore proper fuel delivery and correct common running problems such as hard starting, stalling, surging, bogging, or loss of power.
Manufactured to STIHL factory specifications, this OEM carburetor provides correct fitment, proper calibration, and reliable long-term performance.
Product Details
OEM Part Number: 4149 120 0600
Brand: STIHL (Genuine OEM)
Part Type: Carburetor (RC2-S243E)
Application: Fuel System / Carburetor (varies by model)
Condition: New Genuine OEM Part
Function
This OEM carburetor is designed to:
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Meter fuel and air for correct combustion
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Restore proper starting and smooth idle
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Improve throttle response and engine acceleration
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Replace clogged, leaking, or malfunctioning carburetors
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Correct fuel delivery problems that cause poor performance
⚠️ A failing carburetor can cause hard starting, stalling, surging, fuel leaks, or reduced power output.
Verify Fitment (Recommended)
Before ordering, confirm:
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OEM part number 4149 120 0600
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Carburetor type RC2-S243E
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Your STIHL model is listed below
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Your machine serial number matches the range shown
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Part location matches your fuel system / carburetor diagram
⚠️ Always verify fitment by OEM part number and serial number for best accuracy.
Compatibility (Fits STIHL Models)
(Serial number range applies)
Hedge Trimmers / Long-Reach Units
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HL 91 K (Carburetor RC2-S243 up to serial number 514399784)
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HL 94 (Engine up to serial number 514368761)
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HL 94 K (Engine up to serial number 514368761)
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HL 94 KC-E (Engine up to serial number 514368761)
Trimmers / Brushcutters
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FS 94 R (Carburetor RC2-S243 up to serial number 514309587)
Kombi Tools
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KM 94 R (Engine up to serial number 514291126)
Installation Notes
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Work in a clean, well-ventilated area away from sparks or flame
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Drain fuel or work with an empty tank
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Remove air filter cover and air filter assembly
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Disconnect throttle linkage and fuel lines
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Remove the old carburetor
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Install STIHL OEM carburetor RC2-S243E (4149 120 0600)
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Reconnect fuel lines and throttle linkage
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Reassemble air filter system and test run
⚠️ Inspect fuel lines and impulse lines during installation. Replace if cracked or hardened.
Maintenance Tips
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Use fresh, properly mixed fuel
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Replace fuel filter regularly
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Keep air filter clean to prevent carburetor contamination
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Avoid storing fuel for long periods
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Use genuine STIHL OEM carburetors for correct fit and calibration
