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Description
0000 997 5520 – Stihl Tension Spring (Genuine OEM)
The Stihl 0000 997 5520 tension spring is a genuine OEM replacement part engineered to meet Stihl’s factory specifications for professional, high-output chainsaws. This spring provides the precise and consistent tension required for reliable mechanical operation, even under extreme load, high RPM, and continuous vibration.
Manufactured from high-strength spring steel, this component is designed for durability and long service life in demanding forestry and logging applications. Using a genuine Stihl tension spring ensures exact fitment, correct spring force, and dependable performance compared to aftermarket alternatives.
Product Details
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Part Number: 0000 997 5520
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Brand: Stihl
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Part Type: Tension spring
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Material: High-strength spring steel
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OEM Status: Genuine Stihl replacement part
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Installation: Direct-fit OEM replacement
Performance & Benefits
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Provides consistent and reliable spring tension
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Designed for heavy-duty, professional chainsaw use
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Withstands high RPM, vibration, and continuous operation
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Ensures proper mechanical function and component alignment
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Maintains original equipment performance and safety
Compatible Stihl Chainsaw Models
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MS 661
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MS 661 C-M
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MS 661 C-M R
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MS 661 R
Compatibility is based on official Stihl parts listings. Always verify correct fitment using your chainsaw’s illustrated parts diagram and serial number range before ordering.
Why Choose a Genuine Stihl Tension Spring?
Genuine Stihl OEM springs are manufactured to exact tolerances for correct tension, durability, and long-term reliability. Using original parts helps prevent premature wear, improper operation, and unnecessary downtime.
