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Description
1127 640 1900 – STIHL Chain Tension Slide (Genuine OEM Part)
The STIHL 1127 640 1900 is a genuine OEM chain tension slide, designed to support precise and smooth chain tension adjustment on compatible STIHL chainsaws. This component is a key part of the chain tensioning system, allowing accurate guide bar movement to maintain proper chain tension for safe and efficient cutting.
Manufactured to STIHL’s original equipment specifications, the tension slide is built from durable, wear-resistant material to withstand repeated adjustments, vibration, and harsh operating conditions. Using a genuine STIHL tension slide ensures correct fitment, smooth operation, and long-term reliability of the chain tensioning mechanism.
Product Details
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Manufacturer Part Number: 1127 640 1900
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Brand: STIHL
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Part Type: Chain Tension Slide
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System: Chain tensioning system
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Function: Guides and supports chain tension adjustment
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Material: High-strength engineered polymer
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OEM Status: Genuine STIHL OEM replacement
Function
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Guides the chain tensioner during adjustment
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Allows smooth and precise guide bar movement
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Helps maintain correct chain tension and alignment
Compatible With STIHL Chainsaws
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MS 290 (029)
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MS 310 (029 Super)
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MS 390 (039)
How It’s Used
This tension slide installs inside the side cover / chain tensioning assembly. When the chain tension screw is turned, the slide moves the guide bar forward or backward to tighten or loosen the chain. Proper operation is essential for safe cutting and preventing chain derailment.
Suggested Maintenance
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Inspect the tension slide during routine chain service
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Check for cracking, wear, or binding movement
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Keep the tensioning area clean from sawdust and debris
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Replace the slide if chain adjustment becomes difficult or uneven
The STIHL 1127 640 1900 Chain Tension Slide is used in OEM-specified chain tensioning systems where smooth adjustment, durability, and proper chain control are essential.
