Description
Overview:
This Collar Screw is a genuine Husqvarna OEM fastener designed for the chain brake/hand guard assembly on a wide range of Husqvarna chainsaws. Built with a durable metal construction and an integrated collar to spread the clamping load, it secures the brake guard firmly to maintain reliable brake performance and user safety. The precise fit helps prevent vibration loosening and keeps components aligned under tough cutting conditions. It is suitable for popular models such as the Husqvarna 350 and 357XP, and is ideal as a direct replacement during routine servicing or after impact damage. Part number 503 89 30 01 ensures you are fitting the correct specification screw for the intended application on compatible machines.
Key Features:
- Genuine Husqvarna OEM part for assured compatibility and performance
- Designed specifically for the chain brake/hand guard assembly
- Collar/flange helps distribute load for secure, stable fastening
- Reliable under vibration and heavy use typical of chainsaw work
- Clean, accurate threads for smooth installation and removal
- Supports safe operation by keeping the brake guard correctly secured
- Resistant to outdoor conditions commonly encountered in forestry and garden tasks
- Direct replacement to restore original build quality and function
- Suitable across a broad range of petrol and battery Husqvarna models
- Helps reduce downtime by enabling quick, straightforward maintenance
Typical Applications:
Used to fasten and retain the chain brake/hand guard on compatible Husqvarna chainsaws during routine maintenance, post-impact repair, or full brake assembly service. Ideal for replacing missing, worn, or damaged screws to restore safe and reliable brake operation in forestry, landscaping, arborist, and domestic cutting tasks.
Also known as:
Collar bolt, flange screw, chain brake screw, hand guard screw, brake guard fastener, brake cover screw, mounting screw for chain brake assembly, OEM brake guard fixing screw.
Fits Models:
135, 135E, 140E, 330i, 340, 345, 350, 357XP, 359, 435, 435E, 435EII, 435II, 436LI, 440E, 440EII, 440II, 445, 445E, 445EII, 445II, 450, 450EII, 535i XP, 535iXP, 536Li XP, 536LiXP, T535i XP, T535iXP, T536Li XP, T536LiXP
Alternate Part Numbers:
503 89 30-01, 503893001
Product Specifications
| L&S Part No. | 503 89 30 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503893001 |
| Unit of Sale | 1 |
| Applications | 135, 135E, 140E, 330i, 340, 345, 350, 357XP, 359, 435, 435E, 435EII, 435II, 436LI, 440E, 440EII, 440II, 445, 445E, 445EII, 445II, 450, 450EII, 535i XP, 535iXP, 536Li XP, 536LiXP, T535i XP, T535iXP, T536Li XP, T536LiXP |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 340 | 135 | 135E | 140E | 435 | 435E | 435EII | 435II | 436LI | 440E | 440EII | 440II | 445 | 445E | 445EII | 445II | 450 | 450EII | 536LIXP | 535i XP | T535i XP | 330i | 436Li | 536Li XP | T536Li XP |
