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Description
4144 180 1550 STIHL Throttle Trigger – Genuine OEM Part
The STIHL Throttle Trigger (4144 180 1550) is a genuine OEM throttle control trigger designed for use in the motor housing / handle assembly on select STIHL trimmers, brushcutters, Kombi tools, edgers, pole pruners, and hedge trimmers.
This throttle trigger is the user-operated control that engages the throttle cable and regulates engine speed. Replacing a cracked, broken, loose, or worn throttle trigger restores smooth throttle operation, improves control, and helps ensure safe and reliable equipment performance.
Manufactured to STIHL factory specifications, this OEM throttle trigger provides correct fitment, proper engagement, and long-lasting durability.
Product Details
OEM Part Number: 4144 180 1550
Brand: STIHL (Genuine OEM)
Part Type: Throttle Trigger / Throttle Lever
Application: Motor Housing / Engine Housing / Handle (varies by model)
Condition: New Genuine OEM Part
Function
This OEM throttle trigger is designed to:
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Control engine speed through the throttle cable linkage
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Provide smooth and accurate throttle engagement
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Restore proper trigger action when worn or broken
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Replace cracked, loose, sticking, or damaged throttle triggers
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Improve operator control and safe equipment operation
⚠️ A damaged throttle trigger may cause poor throttle control, sticking, or unsafe operation.
Verify Fitment (Recommended)
Before ordering, confirm:
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OEM part number 4144 180 1550
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Your STIHL model is listed below
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Part location matches your motor housing / handle diagram
⚠️ Always verify fitment by OEM part number for best accuracy.
Compatibility (Fits STIHL Models)
Trimmers / Brushcutters
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FS 40 C-E (4144) (Motor housing)
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FS 50 C-E L (Motor housing)
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FS 56 RC-E (Engine housing – Loop handle)
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FS 70 R (Engine housing – Loop handle)
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FS 70 RC-E (Engine housing – Loop handle)
Kombi Tools
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KM 56 RC-E (Engine housing – Loop handle)
Edgers
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FC 56 C-E (Motor housing)
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FC 70 (Motor housing, Handle)
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FC 70 C-E (Motor housing, Handle)
Pole Pruners
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HT 56 C-E (Motor housing)
Hedge Trimmers / Long-Reach Units
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HL 56 K (Motor housing)
Installation Notes
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Turn off engine and allow it to cool
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Remove handle / motor housing screws
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Remove the old throttle trigger from the housing
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Install STIHL OEM throttle trigger 4144 180 1550
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Confirm proper trigger return and smooth movement
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Reassemble housing and test throttle operation
⚠️ Always verify the throttle trigger returns freely and does not bind before starting the engine.
Maintenance Tips
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Inspect throttle trigger and handle housing for cracks or wear
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Replace if trigger becomes loose, sticky, or broken
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Keep housing clean to prevent dirt buildup around moving parts
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Use genuine STIHL OEM throttle components for correct fit and safe operation
