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Description
1137 640 2008 – STIHL Chain Sprocket (Genuine STIHL OEM Drive Sprocket)
The STIHL 1137 640 2008 Chain Sprocket is a genuine OEM replacement drive sprocket designed to deliver smooth, efficient power transfer from the clutch drum to the saw chain on compatible STIHL chainsaws. Manufactured to STIHL's exact factory specifications, this precision-engineered sprocket ensures proper chain engagement, reduced drivetrain wear, and maximum cutting performance.
Constructed from hardened, heat-treated steel, the 1137 640 2008 Chain Sprocket is built to withstand high rotational speeds, continuous cutting loads, and demanding professional forestry and landscaping applications. Replacing a worn sprocket with a genuine STIHL OEM part helps extend the life of the guide bar and chain while restoring smooth, reliable cutting performance.
Product Details
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Part Number: 1137 640 2008
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Brand: STIHL
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Part Type: Chain Sprocket
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Function: Transfers engine power from the clutch to the saw chain
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Material: Heat-Treated Hardened Steel
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Installation: Direct OEM Replacement
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OEM Status: Genuine STIHL OEM Part
Key Features
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Genuine STIHL OEM chain sprocket
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Precision-machined for smooth chain engagement
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Hardened steel construction for maximum durability
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Reduces chain and guide bar wear
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Ensures efficient power transfer
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Designed for high-speed operation
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Factory-correct fit
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Direct replacement with no modifications required
Function
The 1137 640 2008 Chain Sprocket transfers rotational power from the clutch assembly to the saw chain, allowing efficient cutting performance. A properly functioning sprocket minimizes vibration, improves chain tracking, and helps maximize the service life of the chain and guide bar.
Compatible STIHL Models
The STIHL 1137 640 2008 Chain Sprocket is compatible with selected STIHL chainsaws, including:
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STIHL MS 192 T
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STIHL MS 193 T
It may also fit additional STIHL models utilizing OEM part number 1137 640 2008.
Always verify your chainsaw model, serial number, chain pitch, clutch configuration, and original OEM part number before ordering to ensure proper compatibility.
Who Is This For?
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Professional arborists
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Tree service companies
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Forestry professionals
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Firewood cutters
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Chainsaw repair technicians
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STIHL chainsaw owners
Recommended Applications
Ideal for:
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Chain drive maintenance
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Clutch drum service
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Chainsaw rebuilds
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Guide bar and chain replacement
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Preventive maintenance
Pros
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Genuine STIHL OEM quality
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Precision-machined for smooth operation
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Hardened steel construction
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Helps extend chain and guide bar life
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Reduces vibration and drivetrain wear
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Factory-correct fit
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Long service life
Cons
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Compatible only with specified STIHL chainsaw models
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Chain and clutch drum should be inspected during sprocket replacement
Comparison – STIHL 1137 640 2008 OEM Chain Sprocket vs Aftermarket Sprockets
STIHL 1137 640 2008 Genuine OEM Chain Sprocket
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Exact OEM dimensions and tooth profile
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Premium heat-treated steel construction
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Smooth, efficient power transfer
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Superior durability
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Designed specifically for STIHL chainsaws
Aftermarket Chain Sprockets
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May vary in machining precision and fit
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Variable material quality
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Increased wear on chain and guide bar
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Shorter service life under heavy-duty use
Why Buy from Barry's Power Equipment?
Barry's Power Equipment is an authorized STIHL dealer supplying genuine OEM replacement parts trusted by professional arborists, landscapers, and outdoor power equipment technicians.
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Genuine OEM STIHL replacement parts
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for STIHL, SCAG, Toro, Exmark, Wright, Ariens, Gravely, Kawasaki, Kohler, Honda, Briggs & Stratton, Ferris, Hustler, Cub Cadet, John Deere, and many other leading outdoor power equipment brands.


