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- 1145 640 1706 – STIHL Chain Sprocket Cover (Genuine OEM Part)
Description
1145 640 1706 – STIHL Chain Sprocket Cover (Genuine OEM Part)
The STIHL 1145 640 1706 Chain Sprocket Cover is a genuine OEM protective cover designed to enclose the chain sprocket and integrate with the hand guard assembly. This component plays a critical role in operator safety, chain brake function, and drivetrain protection by shielding the sprocket area from debris while supporting proper hand guard and brake engagement.
Manufactured to STIHL factory specifications, this sprocket cover ensures precise alignment, correct chain brake operation, and long-term durability in demanding professional cutting conditions.
Product Details
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Manufacturer Part Number: 1145 640 1706
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Brand: STIHL
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Part Name: Chain Sprocket Cover
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Function: Sprocket protection and hand guard / chain brake support
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OEM Status: Genuine STIHL OEM
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Condition: New
Key Benefits
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Protects clutch and sprocket components from debris
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Supports proper chain brake and hand guard operation
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Precision-molded for exact OEM fit and alignment
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Durable construction for professional and daily use
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Direct replacement for damaged or worn sprocket covers
Applications & Compatibility
Compatible with the following STIHL chainsaw models:
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MS 201 TC-M – Chain sprocket cover, Hand guard
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MS 201 T – Chain sprocket cover, Hand guard
(Always verify fitment using your STIHL model and serial number before ordering.)
The STIHL 1145 640 1706 Chain Sprocket Cover is an essential OEM replacement part for maintaining safe operation, proper chain brake performance, and long-lasting reliability on STIHL MS 201 series chainsaws.

