Description
Overview:
The Bar Nut M8 Flange is a genuine Husqvarna OEM part designed to secure the guide bar to the clutch cover studs on compatible chainsaws. Built from durable metal with a flanged base, it provides firm, even clamping to help keep the bar aligned and stable under vibration. The M8 thread matches the factory studs for reliable engagement and repeatable tightening. Suitable for a wide range of Husqvarna machines, it is an ideal replacement for routine maintenance or when a nut is lost or damaged. It fits popular models such as the Husqvarna 135 and 140, along with many professional and legacy machines. Using the correct genuine part supports safe operation and helps maintain consistent chain tension.
Key Features:
- Genuine Husqvarna OEM part for assured fit and compatibility
- M8 flanged design spreads load to protect components and resist loosening
- Durable construction for use in high-vibration environments
- Helps maintain correct bar alignment and stable chain tension
- Simple to install and remove with a standard spanner
- Direct replacement for worn, rounded, or missing bar nuts
- Suitable for a wide range of Husqvarna chainsaws and selected power cutters
- Supports safe operation by keeping the guide bar firmly secured
- Reliable threads for smooth tightening on existing studs
- Useful spare to keep in the toolbox for field or workshop maintenance
Typical Applications:
Securing the guide bar beneath the side cover after tensioning the chain; replacing damaged or lost nuts during servicing; keeping machines in service on site. Common in forestry, tree surgery, landscaping, grounds maintenance, hire fleets, and construction environments using Husqvarna chainsaws and compatible cutting equipment.
Also known as:
Guide bar nut, bar fixing nut, clutch cover nut, side cover nut, M8 flanged nut, chainsaw bar nut, hex flange nut, Husqvarna M8 bar nut.
Fits Models:
135, 140, 225 E, 225E, 232 E, 232E, 242, 245, 246, 250PS, 254, 257, 261, 262XP, 268, 268K, 272K, 281, 281XP, 288, 288XP, 3120, 3120K, 3120XP, 322 E, 322E, 323 E, 323 Ex, 323E, 323Ex, 325 E, 325E, 326 EX, 326EX, 333, 334T, 335XPT, 336, 338XPT, 339XP, 340, 340E, 345, 345E, 345E TrioBrake, 345ETrioBrake, 346XP, 346XP TrioBrake, 346XPTrioBrake, 350, 351, 353, 353 TrioBrake, 353TrioBrake, 357XP, 359, 36, 362, 362XP, 365, 365 X-Torq, 365H, 371K, 371XP, 372XP, 372XP X-Torq, 375K, 385, 385XP, 390XP, 394XP, 395XP, 40, 41, 42, 435, 435E, 435EII, 435II, 439, 440EII, 440II, 445, 445EII, 445II, 45, 450, 450EII, 455 Rancher, 455 Rancher II, 455 RancherII, 460, 461, 465 Rancher II, 465RancherII, 49, 51, 55, 55 Rancher, 565, 570, 570II, 572XP, 572XPG, 576XP, 576XP AutoTune, 576XPAutoTune, 592 XP, 592XP, 61, 66, K1250, K1250 Active, K1250 Rail, K1250Active, K1250Rail, K1260, K1260 Rail, K1260Rail, K1270, K1270 I, K1270 II, K1270 Rail, K1270 Rail I, K1270 Rail II, K1270I, K1270II, K1270Rail, K1270RailI, K1270RailII, K2500, K30, K3600 MkII, K3600MkII, K40, K6500 Ring, K6500Ring, K7000 Ring, K7000Ring, K770 Dry Cut, K770DryCut, K950 Ring, K960 Ring, K960Ring, K970 Ring, K970 Ring III, K970Ring, T435
Alternate Part Numbers:
503220001, 503 22 00 01
Product Specifications
| L&S Part No. | 503 22 00 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503220001 |
| Unit of Sale | 1 |
| Applications | 135, 140, 225 E, 225E, 232 E, 232E, 242, 245, 246, 250PS, 254, 257, 261, 262XP, 268, 268K, 272K, 281, 281XP, 288, 288XP, 3120, 3120K, 3120XP, 322 E, 322E, 323 E, 323 Ex, 323E, 323Ex, 325 E, 325E, 326 EX, 326EX, 333, 334T, 335XPT, 336, 338XPT, 339XP, 340, 340E, 345, 345E, 345E TrioBrake, 345ETrioBrake, 346XP, 346XP TrioBrake, 346XPTrioBrake, 350, 351, 353, 353 TrioBrake, 353TrioBrake, 357XP, 359, 36, 362, 362XP, 365, 365 X-Torq, 365H, 371K, 371XP, 372XP, 372XP X-Torq, 375K, 385, 385XP, 390XP, 394XP, 395XP, 40, 41, 42, 435, 435E, 435EII, 435II, 439, 440EII, 440II, 445, 445EII, 445II, 45, 450, 450EII, 455 Rancher, 455 Rancher II, 455 RancherII, 460, 461, 465 Rancher II, 465RancherII, 49, 51, 55, 55 Rancher, 565, 570, 570II, 572XP, 572XPG, 576XP, 576XP AutoTune, 576XPAutoTune, 592 XP, 592XP, 61, 66, K1250, K1250 Active, K1250 Rail, K1250Active, K1250Rail, K1260, K1260 Rail, K1260Rail, K1270, K1270 I, K1270 II, K1270 Rail, K1270 Rail I, K1270 Rail II, K1270I, K1270II, K1270Rail, K1270RailI, K1270RailII, K2500, K30, K3600 MkII, K3600MkII, K40, K6500 Ring, K6500Ring, K7000 Ring, K7000Ring, K770 Dry Cut, K770DryCut, K950 Ring, K960 Ring, K960Ring, K970 Ring, K970 Ring III, K970Ring, T435 |
| Machine Type | Chainsaws, Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | K1250 | 340 | 135 | K1260 | K1270, K1270 | K1250 Active | K1250 Rail | K1260 Rail | K2500 | K30 | K3600 MkII | K40 | K6500 RING | K950 Ring | K960 Ring | K970 Ring | 250PS | 242 | 246 | 254 | 257 | 261 | 262XP | 268 | 281 | 281XP | 288 | 288XP | 3120 | 3120XP | 333 | 334T | 335XPT | 336 | 338XPT | 339XP | 340E | 345 | 345E | 345E TRIOBRAKE | 346XP | 346XP TRIOBRAKE | 350 | 351 | 353 | 353 TRIOBRAKE | 357XP | 359 | 36 | 362 | 362XP | 365 | 365H | 365X-TORQ | 371XP | 372XP | 372XP X-TORQ | 385 | 385XP | 390XP | 394XP | 395XP | 40 | 41 | 42 | 435 | 435E | 435EII | 435II | 439 | 440EII | 440II | 445 | 445EII | 445II | 45 | 450 | 450EII | 455 RANCHER | 455 RANCHER II | 460 | 461 | 465 RANCHER II | 49 | 51 | 55 | 55 RANCHER | 565 | 570 | 570II | 572XP, 572XPG | 576XP | 61 | 66 | T435 | 268K | 272K | 3120K | 371K | 225 E | 322 E | 323 E | 323 Ex | 325 E | 326 EX | 592 XP | K7000 Ring | 576XP AutoTune | K1270 I | K1270 II | K1270 II Smartguard | K1270 Rail I | K1270 Rail II | K770 Dry Cut | K970 Ring III | 375K |
