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Description
4180 120 0610 STIHL Carburetor C1Q-S173A – Genuine OEM Part
The STIHL Carburetor C1Q-S173A (4180 120 0610) is a genuine OEM replacement carburetor designed for use on select STIHL professional trimmers and hedge trimmers.
This carburetor is responsible for delivering the correct fuel-air mixture to the engine, ensuring proper combustion, smooth operation, and reliable performance. Correct carburetor specification is critical for starting, throttle response, and overall engine efficiency.
Manufactured to STIHL factory specifications, this carburetor provides the correct calibration, fuel metering, and durability required for demanding operating conditions.
Replacing a worn, clogged, or malfunctioning carburetor helps restore proper engine performance and prevents running issues.
Manufactured to STIHL OEM standards, this carburetor ensures correct fitment and long service life.
Product Details
OEM Part Number: 4180 120 0610
Brand: STIHL (Genuine OEM)
Part Type: Carburetor
Carburetor Model: C1Q-S173A
Application: Engine fuel system (model-specific)
Condition: New Genuine OEM Part
Function
This OEM carburetor is designed to:
Meter and mix fuel and air accurately
Support smooth starting and stable idle
Maintain proper engine performance under load
Replace worn or malfunctioning original carburetors
Ensure consistent fuel delivery
⚠️ A faulty carburetor may cause hard starting, poor throttle response, or engine stalling.
Verify Fitment (Recommended)
Before ordering, confirm:
OEM part number 4180 120 0610
Carburetor model C1Q-S173A
Application matches your STIHL parts diagram
Serial number range (if applicable)
⚠️ Always verify fitment by OEM part number and carburetor designation, as similar models may vary by production run.
Compatibility
Fits select STIHL models and configurations, including:
HT 131
(Carburetor C1Q-S173, C1Q-S130 ⇥ 508571577)
HT 130
(Carburetor C1Q-S173, C1Q-S130 ⇥ 508507652)
FS 130
(Muffler, Air filter)
FS 130 R
(Muffler, Air filter)
FS 310
(Carburetor C1Q-S173, C1Q-S130 – 09/2009 & 04/2012 versions)
KM 130 R
(Carburetor C1Q-S173, C1Q-S130)
(Exact application varies by model, configuration, and serial number — verify using OEM parts diagram.)
Installation Notes
Turn off engine and allow it to cool
Remove air filter housing and fuel lines carefully
Install STIHL OEM carburetor 4180 120 0610
Reconnect fuel lines and throttle linkage correctly
Adjust carburetor settings according to STIHL specifications
⚠️ Carburetor installation and adjustment should be performed by a qualified technician.
Maintenance Tips
Use clean, fresh fuel to prevent carburetor issues
Inspect fuel lines and filters during replacement
Adjust carburetor only according to STIHL guidelines
Use only genuine STIHL OEM carburetors for correct fit and performance

