Description
Overview:
This is a Genuine Stihl drive sprocket for 3/8 inch (9.53 mm) pitch chain with 7 teeth, engineered for the Stihl 038 and MS381 chainsaws. Built from hardened steel for long service life, it transfers power from the clutch to the chain for consistent cutting performance. The assembly is sized for correct alignment and smooth running under load, with drum and bearing interfaces manufactured to precise tolerances. It is a direct replacement part for worn or damaged sprockets, helping restore cutting efficiency and reduce chain wear. Suitable for professional and heavy-duty use, it maintains reliable operation in forestry, arborist, and site work. OEM reference: 1119 640 2000.
Key Features:
- Genuine Stihl part for assured quality and correct fitment
- 3/8 inch (9.53 mm) pitch, 7-tooth configuration for common professional chain sets
- Robust hardened steel construction for durability and consistent power transfer
- Drum diameter: 75 mm; drum depth: 16 mm; bearing end diameter: 16 mm
- Designed to run true and reduce premature chain and bar wear
- Direct replacement to restore drive performance on compatible machines
- Suitable for heavy-duty tasks and prolonged use
- OEM No. 1119 640 2000 for straightforward identification
- Compatible with selected Stihl 038, MS380, and MS381 models
- Simple installation when servicing the clutch and drive system
Typical Applications:
Used during chainsaw maintenance to replace a worn or damaged drive, ensuring smooth chain motion for felling, logging, firewood processing, site clearance, and arboricultural work. Ideal for users who need reliable power transmission and accurate chain tracking on demanding jobs.
Also known as:
Spur sprocket, clutch drum assembly, chain drive wheel, 7-tooth drive, 3/8 pitch drive, chainsaw gear, chain drive hub, drive drum, powerhead drive wheel.
Fits Models:
038, MS 380, MS 381, MS380, MS381
Alternate Part Numbers:
1119-640-2000, 11196402000
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