Description
Overview:
This is a genuine Husqvarna machine screw designed for securing components on Husqvarna brushcutters and related garden machinery. Made from high-strength steel with a protective finish, it provides dependable clamping force and resists wear in outdoor conditions. It is suitable for routine maintenance and repairs where a precise, OEM-spec fixing is required, helping to keep housings, guards, shafts and attachment points firmly in place. Identified by MPN 503216820 (also 503 21 68-20), it is engineered for accurate fit and repeatable assembly across a wide range of Husqvarna models, including the 223 L and 223 R. As a Genuine Part, it supports correct alignment and torque retention, which helps preserve tool performance and service life.
Key Features:
- Genuine Husqvarna Part for assured compatibility and performance
- Durable steel construction with corrosion-resistant finish for long service life
- Precision thread and length to match factory specification and seating depth
- Stable under vibration when installed to the recommended torque
- Clean, repeatable fit for covers, guards, clamps and attachment interfaces
- Suitable for a broad range of Husqvarna brushcutters, trimmers, hedge trimmers and pole pruners
- Helps maintain correct alignment, reducing premature wear of adjoining parts
- Straightforward to fit with standard hand tools, aiding quick maintenance turnarounds
Typical Applications:
Used to secure gear housings, handlebar clamps, shaft couplings, debris guards, engine shrouds and accessory mounts on Husqvarna handheld equipment. Ideal for replacing worn, corroded or missing fixings during servicing, or when refitting attachments. Suitable for trade users, grounds teams and home gardeners who need a reliable OEM fastener for equipment operating in vibration and outdoor environments.
Also known as:
Bolt, machine screw, fixing screw, set screw, hex screw, retaining screw, assembly screw, clamp screw.
Fits Models:
223L, 223R, 322R, 323C, 323E, 323Ex, 323L, 323LD, 323HE3, 323P, 323R, 323RJ, 323RJX, 325CX, 325LDx, 325LXT, 325Lx, 325HDA55 X-Series, 325HDA65 X-Series, 325HE3 X-Series, 325P, 325RDX, 325RJX, 325RX, 325RXT, 326C, 326CX, 326ES, 326EX, 326HDA55 X-Series, 326L, 326LDx, 326LS, 326Lx, 326HE3 X-Series, 326HE4 X-Series, 326P, 326RJX, 326RX, 327ES, 327LDx, 327LS, 327Lx, 327P, 327P4, 327P5x, 327RDX, 327RJX, 327RX, 455E TrioBrake, Saw Attachment
Alternate Part Numbers:
503 21 68-20, 503216820
Product Specifications
| L&S Part No. | 503 21 68 20 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503216820 |
| Unit of Sale | 1 |
| Applications | 223 L, 223 R, 223L, 223R, 322R, 323 C, 323 E, 323 Ex, 323 L, 323 LD, 323C, 323E, 323Ex, 323HE3, 323L, 323LD, 323P, 323R, 323RJ, 323RJX, 325 CX, 325 LDx, 325 LXT, 325 Lx, 325CX, 325HDA55 X-Series, 325HDA65 X-Series, 325HE3 X-Series, 325LDx, 325LXT, 325Lx, 325P, 325RDX, 325RJX, 325RX, 325RXT, 326 C, 326 CX, 326 ES, 326 EX, 326 HDA55 X-Series, 326 L, 326 LDx, 326 LS, 326 Lx, 326C, 326CX, 326ES, 326EX, 326HDA55 X-Series, 326HE3 X-Series, 326HE4 X-Series, 326L, 326LDx, 326LS, 326Lx, 326P, 326RJX, 326RX, 327 ES, 327 LDx, 327 LS, 327 Lx, 327ES, 327LDx, 327LS, 327Lx, 327P, 327P4, 327P5x, 327RDX, 327RJX, 327RX, 455E TrioBrake, 455ETrioBrake, Saw Attachment |
| Machine Type | Brushcutters |
| Fits Brands | Husqvarna |
| Fits Models | 323HE3 | 325HDA55 X-SERIES | 325HDA65 X-SERIES | 325HE3 X-SERIES | 326 HDA55 X-SERIES | 326HE3 X-SERIES | 326HE4 X-SERIES | 323P | 325P | 326P | 327P | Saw Attachment | 455E TRIOBRAKE | 223 L | 223 R | 322R | 323R | 323RJ | 323RJX | 325RDX | 325RJX | 325RX | 325RXT | 326RJX | 326RX | 327RDX | 327RJX | 327RX | 223 L | 323 C | 323 E | 323 Ex | 323 L | 323 LD | 325 CX | 325 LDx | 325 Lx | 325 LXT | 326 C | 326 CX | 326 ES | 326 EX | 326 L | 326 LDx | 326 LS | 326 Lx | 327 ES | 327 LDx | 327 LS | 327 Lx | 327P4 | 327P5x |
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