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- 1141 640 3203 – STIHL Oil Pump (Genuine OEM Part)
Description
1141 640 3203 – STIHL Oil Pump (Genuine OEM Part)
The STIHL 1141 640 3203 is a genuine OEM oil pump designed to deliver consistent lubrication to the guide bar and saw chain on compatible STIHL chainsaws. This oil pump is a critical component of the chain lubrication system, helping reduce friction, prevent overheating, and extend the service life of the bar and chain.
Manufactured to STIHL’s original equipment specifications, this oil pump is built with precision-machined components to provide accurate oil delivery and reliable performance under demanding cutting conditions. Using a genuine STIHL oil pump ensures proper lubrication, correct fit, and long-term durability.
Product Details
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Manufacturer Part Number: 1141 640 3203
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Brand: STIHL
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Part Type: Oil Pump
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System: Chain lubrication system / Clutch interface
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Function: Delivers bar and chain lubrication oil
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OEM Status: Genuine STIHL OEM replacement
Function
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Pumps oil from the reservoir to the guide bar and chain
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Maintains proper lubrication during operation
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Reduces friction and wear on cutting components
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Helps prevent overheating and premature failure
Compatible With STIHL Chainsaws
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MS 271 FarmBoss (Oil pump, Clutch)
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MS 291 C-BEQ (Oil pump, Clutch)
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MS 271 (Oil pump, Clutch)
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MS 291 (Oil pump, Clutch)
How It’s Used
This oil pump mounts within the clutch area and is driven mechanically by the engine. It meters oil to the guide bar groove and chain to ensure continuous lubrication during cutting.
Proper installation and alignment are essential for correct oil delivery.
Suggested Maintenance
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Check oil flow regularly during operation
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Inspect oil lines and connections for leaks
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Clean oil ports and passages during service
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Replace the oil pump if lubrication becomes inconsistent or stops
The STIHL 1141 640 3203 Oil Pump is used in OEM-specified chain lubrication system applications where reliable oil delivery, durability, and cutting component protection are essential.
