Description
Overview:
This knuckle is a Genuine Husqvarna replacement part for mid-range chainsaws, built to restore accurate control and dependable operation of the braking/linkage mechanism. Precision-made from durable materials to cope with vibration, heat, and exposure to oils and fuel, it replaces worn or damaged originals to keep your saw working safely and smoothly. Designed for a direct fit on popular Husqvarna models such as the 345 and 350, it maintains the intended geometry of the linkage so the mechanism engages and releases correctly. It is a like-for-like replacement under MPN 503 86 94-01 (503869401), offering the compatibility and reliability you expect from OEM parts. Suitable for regular maintenance or repair, it helps extend service life and reduce downtime in everyday cutting tasks.
Key Features:
- Genuine Husqvarna part for assured fit and performance
- Direct replacement for MPN 503 86 94-01 (503869401)
- Precision-made component to restore correct linkage function
- Hard-wearing construction resists wear from regular chainsaw use
- Stable performance under vibration and temperature changes
- Compatible with a wide range of Husqvarna and Jonsered models
- Supports reliable operation of the safety mechanism when correctly installed
- Simple like-for-like swap using standard workshop tools
- Helps prevent premature wear of associated levers and springs
- Suitable for routine servicing or targeted repairs after impact or heavy use
Typical Applications:
Used during maintenance or repair of the operating linkage on compatible Husqvarna and Jonsered saws. Ideal when the original joint shows play, sticking, or damage that affects safe operation. Common in workshop overhauls, mid-season servicing for arborists and landscapers, and repairs after chain brake or handle impacts on site.
Also known as:
Linkage connector, pivot coupler, actuation link, hinge piece, lever joint. These terms describe the small connecting element that transfers movement within the mechanism and may be referenced in service notes or parts diagrams.
Fits Models:
2141, 2149, 2150, 340, 340 E, 345, 345 E, 346 XP, 350, 351, 353, CS2141, CS2145, CS2147, CS2150, CS2152, CS2153, Jonsered CS2141, Jonsered CS2145, Jonsered CS2147, Jonsered CS2150, Jonsered CS2152, Jonsered CS2153
Alternate Part Numbers:
503 86 94-01, 503869401
Product Specifications
| L&S Part No. | 503 86 94 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503869401 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Key Features | - Genuine Husqvarna part ensures correct fit and performance - Direct replacement for MPN 503 86 94-01 - Precision-made to restore linkage function - Compatible with Husqvarna and Jonsered models - Resists wear from vibration and temperature changes |
| Fits Models | 340 | 340E | 345 | 345E | 350 | 351 |


