Genuine Stihl Chain Sprocket Cover
Replaces: 1140 640 1700, 11406401700, 1140-640-1700
Fits Models: Stihl MS271, MS291, MS311, MS391
Replace a worn, cracked or damaged chain sprocket cover on your Stihl MS311 chainsaw with this replacement sprocket cover, part numbers 1140 640 1700 and 11406401700. The sprocket cover forms part of the clutch and chain drive area and helps protect the internal components while providing the correct fit around the guide bar and chain assembly.
Ideal for chainsaw servicing and repairs, this replacement cover can help restore the machine when the original cover has become damaged or worn.
Product Features:
- Replacement chain sprocket cover
- Part numbers: 1140 640 1700 / 11406401700
- Suitable for compatible Stihl MS311 chainsaws
- Helps protect the sprocket and clutch area
- Helps secure the guide bar and chain assembly
- Ideal for replacing a cracked, broken or worn cover
- Suitable for chainsaw maintenance and repairs


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