Description
Overview:
The Self Tapping Screw P3.5x10 for Stihl RE520W and RE550W, with Manufacturer Part Number (MPN) 9104 003 9939, is a Genuine Stihl (OEM) fastener for pressure washers and wet/dry vacuum cleaners. Produced from high-quality steel to Stihl’s specifications, it provides a secure hold in housings, brackets and covers, helping keep components tight under vibration and regular use. The size is P3.5 x 10 mm (approx. 0.14 x 0.39 in), making it suitable where a compact, self-cutting fixing is required within the equipment. Designed for consistent fit and performance across a wide range of models, this screw is commonly used during routine maintenance and repairs to restore factory-correct fastening and preserve the reliability and safety of your machine.
Key Features:
- Size: P3.5 x 10 mm (approx. 0.14 x 0.39 in)
- Genuine Stihl (OEM) part for assured fit and quality
- High-quality steel construction for dependable clamping force
- Self-tapping thread for quick, clean installation into pre-formed holes
- Helps resist loosening from vibration in pressure washer and vacuum applications
- Consistent dimensions for repeatable replacements across multiple machines
- Supports correct maintenance practices to maintain equipment integrity
- Direct replacement for MPN 9104 003 9939
Typical Applications:
Used to fasten covers, panels, brackets and internal fittings on Stihl pressure washers and vacuum cleaners. Ideal for replacing missing or worn fixings during pump, housing or accessory maintenance, ensuring components remain secure for safe, efficient operation.
Also known as:
Self-tapping screw 3.5 x 10, ST 3.5x10 screw, P3.5x10 tapping screw, fastening screw, body panel screw, OEM Stihl screw.
Fits Models:
RE 140 K, RE 141 K, RE 160 K, RE 161 K, RE 270 K, RE 280 K, RE140K, RE141K, RE160K, RE161K, RE270K, RE280K, RE500W, RE520W, RE530W, RE550W, RE560W, RE580W, RE600W, RE630W, RE640W, RE661, RE830W, RE840W, RE961, SE100, SE120, SE120E, SE122, SE122E, SE200, SE201, SE202, SE80
Alternate Part Numbers:
9104 003 9939, 91040039939, 9104-003-9939
Product Specifications
| L&S Part No. | 9104 003 9939 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 91040039939 |
| Unit of Sale | 1 |
| Machine Type | Pressure Washer, Vacuum Cleaner |
| Fits Brands | Stihl |
| Fits Models | RE 140 K, RE 160 K | RE 141 K, RE 161 K | RE500W, RE530W, RE560W | RE520W, RE550W, RE580W | RE600W, RE630W | RE640W | RE661, RE961 | RE830W | RE840W | SE122, SE122E | SE80 | SE100, SE200, SE201, SE202 | SE120, SE120E | RE 270 K, RE 280 K |
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