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- 4140 180 1500 STIHL Throttle Trigger – Genuine OEM Part
Description
4140 180 1500 STIHL Throttle Trigger – Genuine OEM Part
The STIHL Throttle Trigger (4140 180 1500) is a genuine OEM throttle control trigger designed for use in the motor housing / engine housing assemblies of select STIHL trimmers, brushcutters, Kombi tools, hedge trimmers, and edgers. This throttle trigger allows smooth, responsive control of engine speed during operation and is a key safety and control component.
Manufactured to STIHL’s exact factory specifications, this OEM throttle trigger provides correct fitment, durable construction, and reliable throttle operation when replacing cracked, broken, or worn triggers.
Product Details
OEM Part Number: 4140 180 1500
Brand: STIHL (Genuine OEM)
Part Type: Throttle Trigger
Application: Motor Housing / Engine Housing (Loop Handle)
Condition: New Genuine OEM Part
Function
This throttle trigger is designed to:
Control engine speed through the throttle cable/linkage
Provide smooth and responsive throttle operation
Replace broken, cracked, or worn throttle triggers
Restore safe and reliable equipment control
Support proper operation during trimming and cutting
⚠️ A damaged throttle trigger may cause poor throttle response or unsafe operation.
Verify Fitment in 30 Seconds
Before ordering, confirm the following:
OEM part number 4140 180 1500
Your STIHL model is listed below
Part location matches your motor housing / engine housing diagram
⚠️ Always verify fitment by OEM part number for best accuracy.
Compatibility
Fits a wide range of STIHL equipment, including:
Trimmers / Brushcutters
FS 38
FS 38 2-MIX
FS 45
FS 45 D
FS 45 C-E
FS 46
FS 46-D
FS 46 C-E
FS 46 C-E D
FS 55 R
FS 55 R-D
FS 55 RC-E
FS 55 RC-E D
Kombi Tools
KM 55 R
KM 55 R-D
KM 55 RC-E
KM 55 RC-E D
Hedge Trimmers / Long-Reach Units
HL 45
HL 45-D
Edgers
FC 55
FC 55-D
⚠️ This list includes common applications — always confirm using your parts diagram or owner’s manual.
Installation / Usage
Turn off engine and allow it to cool
Remove motor housing / handle cover
Remove the old throttle trigger from the trigger assembly
Install STIHL OEM throttle trigger 4140 180 1500
Reconnect throttle linkage and verify smooth movement
Reassemble housing and test throttle response
⚠️ Professional installation is recommended if unsure.
Maintenance Tips
Keep trigger area clean from dirt and debris
Inspect trigger regularly for cracks or wear
Replace damaged triggers immediately
Use only genuine STIHL OEM control parts for best reliability
