Description
Overview:
This O-Ring 23.4 x 3.53 for Stihl backpack blowers is a Genuine Stihl part engineered for dependable sealing in demanding use. Made from durable black rubber, it helps maintain pressure and prevent leaks at critical joints, supporting smooth running and consistent performance. Sized 23.4 mm x 3.53 mm (approx. 0.92 in x 0.14 in), it offers a precise fit for assemblies designed to Stihl's specifications. Suitable for maintenance and repairs on models such as BR 340 and BR 340 L, it is identified by OEM part number 9645 945 7700. A fresh O-ring is a simple, low-cost way to restore sealing integrity, reduce air or fluid loss, and protect nearby components from dirt and moisture ingress during everyday operation.
Key Features:
- Genuine Stihl part for reliable compatibility and fitment
- Precise dimensions: 23.4 mm x 3.53 mm (approx. 0.92 in x 0.14 in)
- Durable rubber construction for long service life under regular use
- Helps prevent leaks to maintain performance and reduce downtime
- Round cross-section for consistent sealing in correctly sized grooves
- Supports correct pressure and flow in blower and sprayer systems
- Straightforward to install during routine servicing
- Replaces worn or flattened seals to restore airtight, leak-tight joints
- OEM reference: 9645 945 7700 for easy identification
Typical Applications:
Used to seal static or slow-moving joints in Stihl blowers and sprayers, helping to prevent air, fuel, or fluid loss at housings, connectors, and caps. Ideal for routine maintenance when overhauling assemblies, replacing aged seals, or addressing leaks that affect starting, idle stability, and output performance in tools used on site, in gardens, or for grounds care.
Also known as:
O ring, sealing ring, toric ring, round-section gasket, rubber seal, service seal, packing ring. These terms refer to the same type of circular elastomer seal used to maintain a tight, reliable joint between matching components.
Fits Models:
BR 340, BR 340 L, BR 380, BR 420, BR 420 C, SR 320, SR 340, SR 400, SR 420
Alternate Part Numbers:
9645-945-7700, 96459457700
Product Specifications
| L&S Part No. | 9645 945 7700 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 96459457700 |
| Unit of Sale | 1 |
| Applications | 400, BR 340, BR 340 L, BR 380, BR 420, BR 420 C, BR340, BR340L, BR380, BR420, BR420C, SR 320, SR 340, SR 400, SR 420, SR320, SR340, SR400, SR420 |
| Machine Type | Backpack Blowers, Mist Blowers |
| Fits Brands | Stihl |
| Fits Models | SR 320, 400 | SR 340, SR 420 |
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