Description
Overview:
This Twist Lock is a genuine Stihl fastener designed for SR 430 and SR 450 backpack sprayers. It secures key assemblies so your sprayer stays correctly put together during use. Made from hard‐wearing black polymer (high‐strength plastic), it offers a dependable hold without adding weight. The simple twist action allows quick fitting and removal by hand, helping with routine maintenance and part replacement. As an OEM component, Part No. 4244 790 5503, it provides the correct fit and alignment for consistent performance. Built for regular outdoor work, it is suitable for professional users and DIY owners who need a reliable locking piece that lasts in everyday spraying tasks.
Key Features:
- Genuine Stihl part for assured quality and precise fit (OEM 4244 790 5503)
- Durable polymer construction for long service life in outdoor conditions
- Twist-to-lock operation for quick, tool-free installation and removal
- Helps keep covers, attachments, and assemblies securely fastened
- Stable retention to reduce vibration-related loosening during use
- Compatible with SR 430, SR 450, and SR 450-Z backpack sprayers
- Direct replacement for worn, cracked, or missing locks
- Smooth action for easy maintenance and faster turnaround on site
- Compact, lightweight design that does not interfere with sprayer handling
- Backed by OEM specification for correct alignment and sealing where required
Typical Applications:
Used to secure assemblies on Stihl backpack sprayers during pesticide, disinfectant, or fertiliser application. Ideal for routine maintenance, refurbishing older units, or restoring a secure fit after wear. Common in landscaping, agriculture, grounds maintenance, and facilities management.
Also known as:
Retaining lock, twist latch, quarter‐turn lock, locking knob, sprayer fastener, retaining fastener, turn lock, assembly lock, fixing lock.
Fits Models:
SR 430, SR 450, SR 450-Z, SR430, SR450, SR450-Z, SR450Z
Alternate Part Numbers:
4244-790-5503, 42447905503
Product Specifications
| L&S Part No. | 4244 790 5503 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42447905503 |
| Unit of Sale | 1 |
| Applications | SR 430, SR 450, SR 450-Z, SR430, SR450, SR450-Z, SR450Z |
| Machine Type | Backpack Blowers |
| Fits Brands | Stihl |
| Fits Models | SR 430, SR 450 | SR 450-Z |
