Description
Overview:
This Genuine Husqvarna Nut (part number 503 22 65-03) is a square steel fastener used to secure assemblies on Husqvarna chainsaws and power cutters. Made from durable steel with a corrosion-resistant finish, it delivers reliable clamping under vibration and heavy use. The square profile seats neatly in brackets or captive slots to prevent spin while tightening, helping maintain alignment and stability across the machine. Precision threading supports repeat assembly without damaging mating bolts. Suitable for routine maintenance and repairs, it is commonly used across professional and homeowner tools, including models such as the 372XP and 550XP. As an OEM component from Husqvarna, it offers dependable compatibility and performance for those keeping their equipment in safe, working order.
Key Features:
- Genuine Husqvarna OEM part (503 22 65-03) for assured fit and function
- Square profile helps prevent rotation in housings, carriers, and brackets
- Steel construction with corrosion-resistant finish for long service life
- Accurate thread geometry for secure fastening and repeat use
- Performs under high vibration typical of forestry and construction work
- Compact form suits tight spaces on saw and cutter assemblies
- Simple to install with standard hand tools
- Direct replacement for worn, stripped, or missing original hardware
Typical Applications:
Used for fastening covers, guards, housings, and brackets on Husqvarna chainsaws and power cutters. Ideal during routine servicing such as bar and chain work, filter and guard refits, and other tasks where stable, secure joints are required. Suits professional arborists, landscapers, construction crews, and DIY users maintaining their own equipment.
Also known as:
Square fixing nut, threaded fastener, retaining nut, securing nut, square equipment nut, machine nut, OEM square nut, hardware fastener.
Fits Models:
362, 362XP, 365, 365H, 371K, 371XP, 372XP, 375K, 395XP, 455 Rancher II, 455E Rancher II, 465 Rancher II, 545, 545 Mark II, 545G Mark II, 550XP, 550XP Mark II, 550XPG, 550XPG Mark II, 555, 556, 560XP, 560XPG, 562XP, 562XPG, 565, 570, 570II, 572XP, 572XPG, 575XP, 576XP, 576XP AutoTune, P550, PS50
Alternate Part Numbers:
503 22 65-03, 503226503
Product Specifications
| L&S Part No. | 503 22 65 03 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503226503 |
| Unit of Sale | 1 |
| Applications | 362, 362XP, 365, 365H, 371K, 371XP, 372XP, 375K, 395XP, 455 Rancher II, 455 RancherII, 455E Rancher II, 455ERancherII, 465 Rancher II, 465RancherII, 545, 545 Mark II, 545G Mark II, 550XP, 550XP Mark II, 550XPG, 550XPG Mark II, 555, 556, 560XP, 560XPG, 562XP, 562XPG, 565, 570, 570II, 572XP, 572XPG, 575XP, 576XP, 576XP AutoTune, 576XPAutoTune, P550, PS50 |
| Machine Type | Chainsaws, Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | PS50 | 362 | 362XP | 365 | 365H | 371XP | 372XP | 395XP | 455E RANCHER II | 455 RANCHER II | 465 RANCHER II | 545 | 550XP, 550XPG | 555 | 556 | 560XP, 560XPG | 562XP, 562XPG | 565 | 570 | 570II | 572XP, 572XPG | 576XP | 371K | 550XP Mark II | 545 Mark II | 545G Mark II | 550XPG Mark II | 576XP AutoTune | 375K |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Hose - Genuine Husqvarna Part - 503 40 06-07£8.34 £6.95 -
![]()
Flange for Husqvarna 395 XP Chainsaw - 503 97 39-01£13.88 £11.57
Related Products
-
![]()
Connection for Husqvarna 395XP Chainsaw - 503 96 96-01£15.02 £12.52
