Description
Overview:
This valve is a Genuine Stihl OEM replacement part designed for Stihl backpack sprayers, including the SG 51 and SG 71. It restores smooth, reliable flow and correct sealing within the sprayer's fluid path, helping maintain consistent pressure and spray performance. Built from durable, chemical-resistant plastic with integrated sealing elements, it stands up to regular use in outdoor and workshop environments. The part is engineered to meet Stihl's specifications for fit and function, making it a straightforward swap for a worn or leaking valve. Ideal for routine servicing or troubleshooting poor spray output, this component helps extend the working life of your sprayer and reduces downtime. Manufacturer Part Number: 42555120600 (also referenced as 4255-512-0600).
Key Features:
- Genuine Stihl OEM part for assured compatibility and reliability
- Exact-fit replacement for SG 51 and SG 71 sprayers
- Durable construction for long service life in demanding conditions
- Supports correct pressure, flow, and spray pattern consistency
- Helps prevent leaks and loss of prime caused by worn valves
- Precision-engineered to Stihl tolerances for dependable performance
- Easy to install as a direct like-for-like component
- Low-cost fix that can restore sprayer efficiency without full pump repairs
Typical Applications:
Used during maintenance or repair of Stihl backpack sprayers to resolve issues such as reduced pressure, irregular spray, or backflow. Suitable for landscapers, groundskeepers, farmers, facilities teams, and DIY users who need reliable spraying performance for weed control, treatments, and general spraying tasks.
Also known as:
Check valve, non-return valve (NRV), one-way valve, pump valve, valve insert, valve core, pressure control valve, sprayer valve component, replacement valve assembly.
Fits Models:
SG 51, SG 71, SG51, SG71
Alternate Part Numbers:
4255-512-0600, 42555120600
Product Specifications
| L&S Part No. | 4255 512 0600 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42555120600 |
| Unit of Sale | 1 |
| Applications | SG 51, SG 71, SG51, SG71 |
| Fits Brands | Stihl |
| Fits Models | SG 51, SG 71 |
