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- 4130 640 7300 STIHL Set of Pinions – Genuine OEM Part
Description
4130 640 7300 STIHL Set of Pinions – Genuine OEM Part
The STIHL Set of Pinions (4130 640 7300) is a genuine OEM replacement gear component designed for use in the gear head assemblies of select STIHL brushcutters and trimmers. This pinion set is essential for transferring power from the drive shaft to the cutting attachment, ensuring smooth gear engagement and reliable cutting performance.
Manufactured to STIHL’s exact specifications, this OEM set of pinions ensures proper fitment, long-lasting durability, and dependable gearbox operation when replacing worn or damaged gear components.
Product Details
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OEM Part Number: 4130 640 7300
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Brand: STIHL (OEM)
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Part Type: Set of Pinions
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Application: Gear Head / Gearbox Assembly
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Condition: New Genuine OEM Part
Function
This set of pinions is designed to:
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Transfer engine power through the gear head system
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Support smooth gear engagement and cutting performance
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Replace worn, stripped, or damaged pinion gears
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Restore proper gearbox operation
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Maintain correct torque transmission to the cutting head
⚠️ Damaged pinions may cause gear slipping, abnormal noise, or reduced cutting power.
Verify Fitment in 30 Seconds
Before ordering, confirm the following:
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OEM part number 4130 640 7300
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Part location: gear head / gearbox assembly
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Compatible STIHL model listed below
⚠️ Always verify fitment by OEM part number for best accuracy.
Compatibility
Fits STIHL equipment including:
Brushcutters / Trimmers (Gear Head Applications)
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FS 44 (Gear head FS 44, 19.96)
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FS 74 (Gear head FS 74)
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FS 80 (4137) (Gear head FS 80, FS 80 R, FS 85, FS 85 R)
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FS 80 R (4137) (Gear head FS 80, FS 80 R, FS 85, FS 85 R)
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FS 85 (Gear head FS 80, FS 80 R, FS 85, FS 85 R)
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FS 85 R (Gear head FS 80, FS 80 R, FS 85, FS 85 R)
⚠️ This list includes common applications — always confirm using your parts diagram or owner’s manual.
Installation / Usage
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Turn off engine and allow it to cool completely
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Remove the gear head housing carefully
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Disassemble gearbox components as required
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Replace worn pinions with the new STIHL OEM set
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Reassemble gear head and refill grease if needed
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Test operation before returning equipment to service
Maintenance Tips
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Inspect gear head components regularly for wear
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Keep gearbox properly lubricated to prevent premature damage
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Replace worn gears immediately to avoid further gearbox failure
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Clean debris from gear head area after heavy use
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Use only genuine STIHL replacement parts for best fit and reliability
