Description
Overview:
This Genuine Husqvarna switch (part no. 503 71 82-01) is an OEM on/off stop switch used to control the ignition circuit on a wide range of Husqvarna petrol machines. It restores reliable start/stop function and helps maintain safe operation. Built with a tough plastic body and metal contacts, it stands up well to vibration, dust, and outdoor use. The compact rectangular module is designed as a direct replacement for the original switch in popular chainsaws and handheld tools, including the Husqvarna 365 and 372XP. Suitable for forestry, landscaping, grounds care, and domestic users, it offers dependable performance whether you are replacing a worn component or fixing intermittent cut-out issues on a well-used machine.
Key Features:
- Genuine Husqvarna OEM part for correct fit and performance
- Direct replacement for faulty or worn switches to restore reliable stop/start control
- Durable plastic housing with robust metal terminals for long service life
- Designed to handle vibration and outdoor conditions typical of chainsaws and brushcutters
- Precise interface with the machine's wiring loom for consistent contact
- Helps ensure safe engine shutdown when required
- Compatible with a wide span of Husqvarna chainsaws, trimmers, brushcutters, blowers, and hedge trimmers
- Straightforward installation using basic hand tools on most models
- Supports efficient workshop or on-site repairs, minimising downtime
Typical Applications:
Replacement ignition stop switch for Husqvarna petrol chainsaws and handheld equipment. Use when the engine will not stop reliably, the switch is physically damaged, or intermittent electrical faults occur. Suitable for professional forestry, arborist work, landscaping, grounds maintenance, agriculture, and home use.
Also known as:
Kill switch, stop button, ignition cut-out switch, engine stop switch, power cutoff switch, rocker/toggle switch module, handle switch, chainsaw stop control.
Fits Models:
123HD60, 123HD65X, 143RII, 143RS, 143RST, 224 L, 224L, 225 AI 15, 225 AI 25, 225 E, 225 L, 225 LD, 225AI15, 225AI25, 225B, 225BV, 225E, 225H60, 225H75, 225HBV, 225L, 225LD, 225R, 225RD, 225RJ, 226R, 227 L, 227 LD, 227L, 227LD, 227R, 227RD, 227RJ, 232R, 232RD, 232RJ, 233R, 233RJ, 235FR, 235P, 235R, 235RII, 236R, 240, 240 L, 240F, 240L, 240R, 240RBD, 240RJ, 243R, 245, 245R, 245RX, 250PS, 250R, 252RX, 253R, 322 C, 322 E, 322 L, 322C, 322E, 322L, 323 E, 323 Ex, 323E, 323Ex, 324 L, 324 LDx, 324 LX, 324HDA55 X-Series, 324L, 324LDx, 324LX, 324RX, 325 E, 325 LXT, 325E, 325LXT, 325RXT, 326 C, 326 CX, 326C, 326CX, 326HS75 X-Series, 326HS99 X-Series, 333, 335R, 336, 339XP, 362, 362XP, 365, 365 X-Torq, 365H, 371XP, 372XP, 372XP X-Torq, 385, 385XP, 390XP, 524 LK, 524LK, 524R, 531RS, 533RS, 541RS, 541RST, 543RS, 553RS, MONDO
Alternate Part Numbers:
503 09 83 02, 503 71 82-01, 503 09 83 01, 503 09 83-01, 503 09 83-02, 503718201, 503098301, 503098302
Product Specifications
| L&S Part No. | 503 71 82 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503718201 |
| Unit of Sale | 1 |
| Applications | 123HD60, 123HD65X, 143RII, 143RS, 143RST, 224 L, 224L, 225 AI 15, 225 AI 25, 225 E, 225 L, 225 LD, 225AI15, 225AI25, 225B, 225BV, 225E, 225H60, 225H75, 225HBV, 225L, 225LD, 225R, 225RD, 225RJ, 226R, 227 L, 227 LD, 227L, 227LD, 227R, 227RD, 227RJ, 232R, 232RD, 232RJ, 233R, 233RJ, 235FR, 235P, 235R, 235RII, 236R, 240, 240 L, 240F, 240L, 240R, 240RBD, 240RJ, 243R, 245, 245R, 245RX, 250PS, 250R, 252RX, 253R, 322 C, 322 E, 322 L, 322C, 322E, 322L, 323 E, 323 Ex, 323E, 323Ex, 324 L, 324 LDx, 324 LX, 324HDA55 X-Series, 324L, 324LDx, 324LX, 324RX, 325 E, 325 LXT, 325E, 325LXT, 325RXT, 326 C, 326 CX, 326C, 326CX, 326HS75 X-Series, 326HS99 X-Series, 333, 335R, 336, 339XP, 362, 362XP, 365, 365 X-Torq, 365H, 371XP, 372XP, 372XP X-Torq, 385, 385XP, 390XP, 524 LK, 524LK, 524R, 531RS, 533RS, 541RS, 541RST, 543RS, 553RS, MONDO |
| Machine Type | Chainsaws, Brushcutters |
| Fits Brands | Husqvarna |
| Fits Models | 123HD60 | 123HD65X | 225H60 | 225H75 | 324HDA55 X-SERIES | 326HS75 X-SERIES | 326HS99 X-SERIES | 235P | 250PS | 250PS | 333 | 336 | 339XP | 362 | 362XP | 365 | 365H | 365X-TORQ | 371XP | 372XP | 372XP X-TORQ | 385 | 385XP | 390XP | 143RII | 225R | 225RD | 225RJ | 226R | 227RD | 227R | 227RJ | 232R | 232RD | 232RJ | 233R | 233RJ | 235FR | 235R | 235RII | 236R | 240 | 240F | 240R | 240RBD | 240RJ | 243R | 245 | 245R | 245RX | 250R | 252RX | 253R | 324RX | 325RXT | 335R | 225B | 225BV | 225HBV | 524R | 531RS | 533RS | 541RS | 541RST | 543RS | 553RS | 224 L | 225 E | 225 L | 225 LD | 227 L | 227 LD | 240 L | 322 C | 322 E | 322 L | 323 E | 323 Ex | 324 L | 324 LDx | 324 LX | 325 E | 325 LXT | 326 C | 326 CX | 524 LK | MONDO | 225 AI 25 | 225 AI 15 | 143RS | 143RST |
