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- 9645 944 7478 – STIHL O-Ring (Genuine OEM Part)
Description
9645 944 7478 – STIHL O-Ring (Genuine OEM Part)
The STIHL 9645 944 7478 O-Ring is a genuine OEM sealing component designed to create a secure, leak-resistant seal in STIHL outdoor power equipment. This precision-engineered O-ring helps maintain proper pressure and fluid containment while preventing air, fuel, oil, or debris leaks within critical engine and mechanical assemblies.
Manufactured to STIHL’s strict OEM standards, the 9645 944 7478 O-ring is made from durable, high-quality rubber material designed to withstand heat, fuel exposure, oil contact, vibration, and demanding outdoor operating conditions.
Key Details:
Manufacturer ID: 9645 944 7478
Brand: STIHL
Part Type: O-Ring
Function: Provides leak-resistant sealing for engine and equipment assemblies
Material: High-performance OEM rubber compound
Installation: Direct replacement genuine STIHL part
Compatibility:
The STIHL 9645 944 7478 O-ring is used in select STIHL chainsaws, trimmers, blowers, cut-off saws, and other STIHL outdoor power equipment requiring this exact OEM sealing component.
Compatibility should always be verified using the STIHL model number and illustrated parts diagram before installation.
Who is this for?
Ideal for homeowners, landscapers, arborists, repair technicians, and professional outdoor power equipment operators maintaining STIHL equipment with genuine OEM replacement parts.
Property Size:
Suitable for residential, commercial, and professional property maintenance equipment applications.
Pros / Cons:
Pros:
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Genuine STIHL OEM quality and fitment
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Helps prevent leaks and contamination
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Durable material designed for harsh operating environments
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Supports reliable engine and equipment performance
Cons:
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Exact compatibility should be confirmed before installation
Comparison:
Compared with aftermarket sealing rings, the STIHL 9645 944 7478 O-ring offers factory-grade sealing precision, improved durability, and dependable OEM-engineered performance specifically designed for STIHL equipment.
Why buy from Barry’s?
Barry’s Power Equipment supplies genuine STIHL OEM replacement parts trusted by homeowners and professional landscapers for reliable fitment, dependable performance, and expert customer support.
