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- 3689 005 0068 Stihl 26RM3 Rapid Micro .325" Chainsaw Chain — 68 Drive Links Semi-Chisel Genuine OEM Part
Description
3689 005 0068 Stihl 26RM3 Rapid Micro .325" Chainsaw Chain — 68 Drive Links Semi-Chisel Genuine OEM Part
The Stihl 26RM3 Rapid Micro Chainsaw Chain (68 Drive Links) is a genuine OEM replacement chain designed for STIHL chainsaws equipped with an 18-inch guide bar using a .325" pitch and .063" gauge. Featuring Rapid Micro semi-chisel cutters, this chain provides smooth, consistent cutting performance with reduced vibration and excellent durability—ideal for firewood cutting, property maintenance, and everyday use.
This is the exact OEM chain specified by STIHL for MS 250 and MS 251 series saws running an 18" .325 .063 bar, ensuring proper fitment, safe operation, and reliable performance.
Product Details
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Item Number: 3689 005 0068
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Brand Compatibility: Stihl (OEM)
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Chain Model: 26RM3 (Rapid Micro 3)
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Part Type: Chainsaw Chain Loop
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Bar Length: 18 Inch
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Pitch: .325"
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Gauge: .063" (1.6 mm)
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Drive Link Count: 68 Drive Links
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Cutter Type: Rapid Micro (Semi-Chisel)
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Condition: New Genuine OEM Replacement Part
Function
This chain is designed to:
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Deliver smooth, controlled cutting performance
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Reduce vibration compared to full-chisel chains
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Maintain sharpness longer in dirty or mixed wood conditions
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Provide dependable performance for firewood and general cutting
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Replace worn or damaged OEM chain loops
⚠️ Semi-chisel chains trade a small amount of cutting speed for improved durability, control, and easier maintenance.
Verify Fitment in 30 Seconds
Before ordering, confirm the following on your guide bar or current chain:
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Bar Length: 18"
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Pitch: .325"
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Gauge: .063"
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Drive Links: 68
⚠️ Model alone does not guarantee fitment — bar specifications must match.
These details are typically stamped on the guide bar or listed in the owner’s manual.
Compatibility
Fits STIHL chainsaws using an 18” bar with .325 pitch, .063 gauge, and 68 drive links, including:
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Stihl MS 250
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Stihl MS 251
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Stihl MS 251 C
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Stihl MS 251 C-BE
⚠️ Also fits other STIHL models that accept the same bar and chain specifications.
Installation / Usage
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Remove the old chain from the guide bar
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Install the new Stihl 26RM3 chain loop onto the sprocket and bar
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Adjust chain tension correctly (snug but movable by hand)
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Lubricate with proper bar and chain oil
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Test saw operation before cutting use
Maintenance Tips
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Sharpen regularly using the correct file for .325" chains
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Maintain proper depth gauge settings
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Keep chain tension properly adjusted
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Clean cutters and drive links frequently
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Lubricate with quality bar and chain oil
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Replace chain if damaged or excessively worn
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Store in dry, lightly oiled conditions to prevent corrosion


