Description
Overview:
The Pump Barrel for the Stihl SG31 Sprayer is a genuine Stihl replacement part, OEM No. 4255 670 6603 (replaces 4255 670 6600). It forms the main cylinder of the hand pump, guiding the piston and seals to build pressure for an even spray pattern. Made from a durable, corrosion‐resistant polymer suitable for typical spraying chemicals, it is built for day‐to‐day use on site and in the garden. Designed specifically for the Stihl SG 31 manual sprayer, it restores smooth pumping action and reliable output. The barrel fits directly in place of the original component, helping reduce downtime and keeping maintenance straightforward for tradespeople, grounds teams, and DIY users. Genuine Part for assured compatibility and performance.
Key Features:
- Genuine Stihl part for exact fit and function
- OEM No. 4255 670 6603; direct replacement for 4255 670 6600
- Durable, chemical‐resistant polymer construction for long service life
- Restores pressure build‐up and consistent spray delivery
- Accurate internal finish for smooth piston travel and proper seal seating
- Purpose‐made for the Stihl SG 31 hand sprayer
- Straightforward installation with basic tools, minimising downtime
- Helps reduce leaks, pressure loss, and poor priming
- Suitable for regular professional and domestic use in varied conditions
Typical Applications:
Used to replace a worn, cracked, or scored pump barrel that causes stiff pumping, leaks, poor priming, or low pressure. Suitable during routine servicing of Stihl SG 31 sprayers used for weed control, pest control, fertilising, and cleaning/disinfection in gardens, landscaping work, facilities maintenance, and light construction environments where reliable manual spraying is required.
Also known as:
Sprayer pump cylinder, pump tube, pressure cylinder, spray pump body, SG31 pump housing, Stihl sprayer cylinder, manual sprayer pump barrel.
Fits Models:
SG 31, SG31
Alternate Part Numbers:
4255 670 6600, 4255-670-6600, 4255-670-6603, 42556706603, 42556706600
Product Specifications
| L&S Part No. | 4255 670 6603 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42556706603 |
| Unit of Sale | 1 |
| Applications | SG 31, SG31 |
| Machine Type | Garden Sprinkler Systems |
| Fits Brands | Stihl |
| Fits Models | SG 31 |
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