Description
Overview:
This genuine Husqvarna screw (MPN 503 21 75 16 / 503217516) is a durable metal fastener used to secure assemblies on a wide range of Husqvarna handheld machines. It is commonly required on pole pruners such as the 323P and 325P, and is also used across selected brushcutters, trimmers, hedge trimmers and combi tools. Designed for a precise fit in the specified applications, it helps maintain correct clamping force so parts stay aligned under vibration. Using the correct genuine screw helps prevent loosening, reduces wear on mating components, and supports reliable operation after servicing. Ideal for routine maintenance or repair when an original fixing is worn, corroded or missing, this OEM part restores the intended build quality of your equipment.
Key Features:
- Genuine Husqvarna OEM screw for compatibility and dependable fit
- Robust metal construction for everyday use in demanding environments
- Precision-made threads for secure retention under vibration
- Helps maintain correct assembly alignment and component integrity
- Suitable for a wide range of Husqvarna pole pruners and handheld tools (see list)
- Straightforward to install with standard hand tools
- Useful replacement during routine servicing or after loss/damage of originals
- Supports smooth operation by keeping covers, housings and attachments firmly fixed
Typical Applications:
Used to fasten covers, guards, housings, handle assemblies and attachment clamps on Husqvarna pole pruners, brushcutters, trimmers and hedge trimmers. Suitable for general maintenance tasks such as refitting gearcase covers, securing shaft or tube clamps, and replacing missing or damaged fixings so the machine runs safely and reliably in gardening, landscaping and grounds maintenance work.
Also known as:
Retaining screw, fixing screw, machine screw, service screw, equipment fixing, fastener, retaining fixing, hardware screw, assembly screw, bolt (informal usage).
Fits Models:
135R, 223, 223 L, 223 R, 223L, 223R, 241R, 241RJ, 241RJs, 241Rs, 322 C, 322 E, 322 L, 322 T, 322C, 322E, 322L, 322R, 322Rs, 322T, 323 C, 323 E, 323 Ex, 323 L, 323 LD, 323C, 323E, 323Ex, 323HE3, 323L, 323LD, 323P, 323R, 323RJ, 323RJX, 323RJXs, 323RJs, 323Rs, 324HDA55, 324HDA55 X-Series, 324RX, 324RXs, 325 CX, 325 E, 325 LDx, 325 LXT, 325 Lx, 325 TX, 325CX, 325E, 325HDA55, 325HDA55 X-Series, 325HDA65, 325HDA65 X-Series, 325HE3, 325HE3 X-Series, 325HE4, 325HE4 X-Series, 325LDx, 325LXT, 325Lx, 325P, 325RDX, 325RDXs, 325RJX, 325RJXs, 325RX, 325RXT, 325RXTs, 325RXs, 325TX, 326 C, 326 CX, 326 HDA55, 326 HDA55 X-Series, 326 L, 326C, 326CX, 326HDA55, 326HE3, 326HE3 X-Series, 326HE4, 326HE4 X-Series, 326L, 326P, 327HDA65, 327HDA65 X-Series, 327HE3, 327HE3 X-Series, 327HE4, 327HE4 X-Series, 327P, 327P4, 327P5x, 327PT5S, 333R, 333RJ, 333RJs, 333Rs, 335 LS, 335 LX, 335FR, 335FRs, 335LS, 335LX, 335R, 335RJX, 335RJXs, 335RX, 335RXs, 335Rs, 356BF, 356BT, 524R, 535 LK, 535FBX, 535LK, 535LS, 535RJ, 535RX, 535RXT, 545FXAT, 545FXTAT, 545RXTAT, HA110, Saw Attachment
Product Specifications
| L&S Part No. | 503 21 75 16 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503217516 |
| Unit of Sale | 1 |
| Applications | 135R, 223, 223 L, 223 R, 223L, 223R, 241R, 241RJ, 241RJs, 241Rs, 322 C, 322 E, 322 L, 322 T, 322C, 322E, 322L, 322R, 322Rs, 322T, 323 C, 323 E, 323 Ex, 323 L, 323 LD, 323C, 323E, 323Ex, 323HE3, 323L, 323LD, 323P, 323R, 323RJ, 323RJX, 323RJXs, 323RJs, 323Rs, 324HDA55, 324HDA55 X-Series, 324RX, 324RXs, 325 CX, 325 E, 325 LDx, 325 LXT, 325 Lx, 325 TX, 325CX, 325E, 325HDA55, 325HDA55 X-Series, 325HDA65, 325HDA65 X-Series, 325HE3, 325HE3 X-Series, 325HE4, 325HE4 X-Series, 325LDx, 325LXT, 325Lx, 325P, 325RDX, 325RDXs, 325RJX, 325RJXs, 325RX, 325RXT, 325RXTs, 325RXs, 325TX, 326 C, 326 CX, 326 HDA55, 326 HDA55 X-Series, 326 L, 326C, 326CX, 326HDA55, 326HE3, 326HE3 X-Series, 326HE4, 326HE4 X-Series, 326L, 326P, 327HDA65, 327HDA65 X-Series, 327HE3, 327HE3 X-Series, 327HE4, 327HE4 X-Series, 327P, 327P4, 327P5x, 327PT5S, 333R, 333RJ, 333RJs, 333Rs, 335 LS, 335 LX, 335FR, 335FRs, 335LS, 335LX, 335R, 335RJX, 335RJXs, 335RX, 335RXs, 335Rs, 356BF, 356BT, 524R, 535 LK, 535FBX, 535LK, 535LS, 535RJ, 535RX, 535RXT, 545FXAT, 545FXTAT, 545RXTAT, HA110, Saw Attachment |
| Machine Type | Pole Pruners, Brushcutters |
| Fits Brands | Husqvarna |
| Fits Models | 323HE3 | 324HDA55 X-SERIES | 325HDA55 X-SERIES | 325HDA65 X-SERIES | 325HE3 | 325HE3 X-SERIES | 325HE4 | 325HE4 X-SERIES | 326 HDA55 X-SERIES | 326HE3 X-SERIES | 326HE4 X-SERIES | 327HDA65 X-SERIES | 327HE3 X-SERIES | 327HE4 X-SERIES | 323P | 325P | 326P | 327PT5S | 327P | Saw Attachment | 135R | 223 L | 223 R | 241R | 241RJ | 322R | 323R | 323RJ | 323RJX | 324RX | 325RDX | 325RJX | 325RX | 325RXT | 333R | 333RJ | 335FR | 335R | 335RJX | 335RX | 356BF | 356BT | 524R | 535FBX | 535LS | 535RJ | 535RX | 535RXT | 545FXAT | 545RXTAT | 545FXTAT | 223 L | 322 C | 322 E | 322 L | 322 T | 323 C | 323 E | 323 Ex | 323 L | 323 LD | 325 CX | 325 E | 325 LDx | 325 Lx | 325 LXT | 325 TX | 326 C | 326 CX | 326 L | 335 LS | 335 LX | 535 LK | HA110 | 327P4 | 327P5x |
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