Description
Overview:
This Screw Ihscft is a genuine Husqvarna fastener engineered for use across selected brushcutters and long‐reach hedge trimmers, including the 345FR and 535FBX. Manufactured from durable steel, it provides a secure, repeatable hold to keep assemblies aligned and working reliably under vibration. It is used where precise clamping is needed on factory components, helping maintain the structural integrity of guards, handles, and drivetrain housings. Marked with OEM No. 503 21 75-72, it is a direct replacement that matches the original dimensions and thread form for straightforward fitting. Ideal for routine servicing or repairs, this screw helps restore correct fastening torque and reduces the risk of loosening in demanding garden, landscaping, and site‐clearance work. Genuine Husqvarna part for consistent fit and performance.
Key Features:
- Genuine Husqvarna part (OEM 503 21 75-72) for correct fit and compatibility
- Direct replacement for worn, damaged, or missing screws on listed models
- Robust steel construction for dependable strength and longevity
- Accurate thread and shank geometry for secure fastening and repeatable torque
- Helps maintain alignment of assemblies to reduce vibration and premature wear
- Suitable for regular maintenance and repair tasks in professional or DIY settings
- Easy to install with standard workshop tools, with no modification required
- Supports safe machine operation by keeping critical components firmly in place
Typical Applications:
Used during maintenance or repair to secure components on Husqvarna brushcutters and hedge trimmers. Typical locations include guards, handlebar systems, gear or shaft housings, and other structural points subject to vibration. Suitable for equipment used in gardening, landscaping, grounds maintenance, and light forestry work where reliable fastening is essential.
Also known as:
Fixing screw, machine screw, retaining screw, fastener, Husqvarna screw, replacement screw, equipment screw, service screw, OEM fastening screw. Commonly referenced as a brushcutter or hedge trimmer screw within Husqvarna parts catalogues.
Fits Models:
345FR, 520iHE3, 520iHT4, 535FBX, 536LiHE3, 545FR, 545RX, 545RXT, 555RXT
Alternate Part Numbers:
503 21 75-72, 503217572
Product Specifications
| L&S Part No. | 503 21 75 72 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503217572 |
| Unit of Sale | 1 |
| Applications | 345FR, 520iHE3, 520iHT4, 535FBX, 536LiHE3, 545FR, 545RX, 545RXT, 555RXT |
| Machine Type | Brushcutters |
| Fits Brands | Husqvarna |
| Fits Models | 536LiHE3 | 345FR | 535FBX | 545FR | 545RX | 545RXT | 555RXT | 520iHE3 | 520iHT4 |
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