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- 1128 007 1001 – STIHL Rim Sprocket 3/8″ Pitch 8-Tooth (Genuine OEM Part)
Description
1128 007 1001 – STIHL Rim Sprocket 3/8″ Pitch 8-Tooth (Genuine OEM Part)
The STIHL 1128 007 1001 is a genuine OEM rim sprocket, engineered for STIHL chainsaws using a 3/8″ pitch chain. With an 8-tooth (8T) configuration, this rim sprocket delivers higher chain speed and efficient power transfer, making it suitable for demanding cutting applications where performance and productivity are required.
Manufactured to STIHL’s original equipment specifications, this rim-type sprocket provides precise chain engagement, smooth operation, and reduced wear on the clutch drum and drivetrain components. The rim design allows easy replacement while helping extend the service life of the clutch system.
Product Details
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Manufacturer Part Number: 1128 007 1001
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Brand: STIHL
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Part Type: Rim Sprocket
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Chain Pitch: 3/8″
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Tooth Count: 8 Teeth (8T)
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Design: Rim-type sprocket
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System: Clutch drum / chain drive system
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OEM Status: Genuine STIHL OEM replacement
Function
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Transfers engine power from the clutch to the saw chain
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Increases chain speed for efficient cutting
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Reduces wear on clutch drum and drive components
Compatible With STIHL Chainsaws
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044
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MS 440
How It’s Used
This rim sprocket installs onto the clutch drum assembly of compatible STIHL chainsaws. During operation, it engages the 3/8″ pitch chain, transmitting engine power smoothly to the guide bar and chain for effective cutting performance.
The rim-style design allows the sprocket to be replaced independently of the clutch drum, simplifying maintenance and ensuring optimal drivetrain performance.
Suggested Maintenance
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Inspect the rim sprocket regularly for hooked or uneven tooth wear
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Replace the rim sprocket when installing a new chain to extend chain life
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Keep the clutch area clean to prevent debris-related wear
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Maintain proper bar and chain lubrication to reduce drivetrain stress
The STIHL 1128 007 1001 Rim Sprocket (3/8″ 8T) is used in OEM-specified drive systems where correct pitch, higher chain speed, and reliable power transfer are essential.