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Description
3623 005 0066 Stihl 33RS 18" Chainsaw Chain — 66 Drive Links Rapid™ Super Genuine OEM Part
The Stihl 33RS Rapid™ Super 18-Inch Chainsaw Chain Loop (66 Drive Links) is a high-performance genuine OEM replacement chain designed for professional cutting applications. Built with an aggressive full-chisel cutter design, this chain delivers extremely fast, smooth cutting performance with reduced vibration and excellent efficiency in hard or frozen wood.
Ideal for replacing worn or damaged chains, the Stihl 3623 005 0066 chain helps maintain maximum cutting power, clean cuts, and long-lasting chainsaw performance.
Product Details
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Item Number: 3623 005 0066
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Brand Compatibility: Stihl
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Chain Family: Rapid™ Super
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Chain Model: 33RS
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Part Type: Chainsaw Chain Loop
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Bar Length: 18" (45cm)
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Pitch: 3/8" (.375")
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Gauge: .050" (1.3mm)
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Drive Link Count: 66 Drive Links
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Cutter Type: Full Chisel
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Cutter Sequence: Standard
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Sharpening File Size: 13/64" (5.2mm)
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Condition: New Genuine OEM Replacement Part
Function
This chain is designed to:
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Provide extremely fast cutting performance
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Deliver smooth, clean cuts with aggressive full-chisel cutters
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Reduce chain friction for efficient cutting
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Lower vibration through advanced cutter and tie strap design
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Improve plunge-cutting efficiency
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Replace worn or damaged OEM chain loops
⚠️ RS chains cut faster than RM chains but require careful sharpening and maintenance for best performance.
Compatibility
Fits Stihl chainsaws requiring a 3/8" pitch, .050 gauge, and 66 drive links, including:
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Stihl MS 311
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Stihl MS 362
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Stihl MS 362 C-M
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Stihl MS 391
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Stihl MS 400 C-M
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Stihl MS 462
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Stihl MS 462 C-M
⚠️ Always verify pitch, gauge, bar length, and drive link count before ordering to ensure correct fitment.
Installation / Usage
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Remove the old chain from the guide bar
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Install the new Stihl 33RS chain loop onto the sprocket and bar
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Adjust chain tension properly (snug but movable by hand)
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Lubricate with proper bar and chain oil
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Test saw operation before full cutting use
Maintenance Tips
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Sharpen regularly using a 13/64" (5.2mm) file
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Keep chain tension properly adjusted
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Clean cutters and drive links frequently
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Replace the chain if cutters become damaged or excessively worn
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Store in dry conditions to prevent corrosion


