9645 945 1070 – STIHL O‑Ring 4 × 1 mm
Product Description
The STIHL 9645 945 1070 O‑Ring is a genuine OEM miniature seal designed for use in precision components like carburetor fittings, fuel lines, and small-engine connectors. With exact 4 mm inner diameter × 1 mm cross-section, this compact rubber seal provides reliable, leak-free performance to maintain pressure, fluid containment, and operational integrity.
Key Features
✅ OEM STIHL Part Number: 9645 945 1070
✅ Size: 4 mm ID × 1 mm Cross-Section
✅ Manufactured from durable, fuel- and oil-resistant rubber
✅ Precision fit for accurate sealing
✅ Built to STIHL specifications for durability and performance
What It’s Used For
✔ Seals small fittings in STIHL carburetors and fuel systems
✔ Prevents leaks from fuel lines, fuel jet passages, and connectors
✔ Ideal for replacing damaged seals during routine servicing
Why Choose This O‑Ring
✔ Genuine STIHL part ensures perfect fit and effective sealing
✔ Helps maintain reliable equipment operation and prevents fluid leaks
✔ Extremely cost-effective and easy to replace
✔ Essential for ensuring component longevity and efficiency
Compatible With STIHL Models
Typically used in precision fuel and carburetor systems across a variety of STIHL tools, including chainsaws, brushcutters, and sprayers. Always refer to your parts diagram to confirm the correct size for your model.
Pack Contents
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1 × STIHL O‑Ring (4 × 1 mm)
Simple, small, but essential — the 9645 945 1070 O‑Ring keeps critical seals intact and equipment running smoothly.
