Description
Overview:
This genuine Husqvarna throttle trigger is a replacement control lever for selected mid-size petrol chainsaws, including the 350 and 357XP. It restores precise engine speed control, helping you start, idle, and cut safely and efficiently. Moulded from durable, fuel- and oil-resistant polymer in a compact, ergonomic form, it fits neatly within the rear handle assembly and connects to the throttle linkage without modification. Ideal for fixing a cracked, worn, or sticking trigger, it provides reliable operation for both professional and DIY users. Designed to OEM specifications, it is a direct fit on supported Husqvarna models, maintaining correct throttle travel and response so the saw accelerates and returns to idle as intended. Genuine part status ensures consistent quality and long service life in demanding environments.
Key Features:
- Genuine Husqvarna part for assured compatibility and durability
- OEM precision for correct throttle travel and smooth return action
- Hard-wearing polymer resists impact, vibration, fuel, and chain oil
- Direct replacement; no modifications to handle or linkage required
- Helps restore safe, predictable engine speed control under load
- Straightforward install with standard hand tools, minimising downtime
- Suitable for professional forestry, arborist, and property maintenance use
- Works with standard and TrioBrake variants listed in the model fitment
- Replaces cracked, worn, or sticky triggers to prevent unintended acceleration
- Supports consistent performance and cutting accuracy
Typical Applications:
Used during routine servicing or repairs when the throttle trigger is damaged, worn, or sticking. Common on saws that see frequent use, impacts, or contamination from dust and resin. Suitable for felling, limbing, firewood processing, and grounds maintenance where precise throttle control is essential for safe starting, controlled cutting, and quick return to idle.
Also known as:
Throttle lever, accelerator lever, throttle control, speed control trigger, gas lever, throttle paddle, accelerator control for chainsaws.
Fits Models:
340, 340E, 345, 345E, 345E TrioBrake, 346XP, 346XP TrioBrake, 350, 351, 353, 353 TrioBrake, 357XP, 359
Alternate Part Numbers:
503 85 45-01, 503854501
Product Specifications
| L&S Part No. | 503 85 45 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503854501 |
| Unit of Sale | 1 |
| Applications | 340, 340E, 345, 345E, 345E TrioBrake, 345ETrioBrake, 346XP, 346XP TrioBrake, 346XPTrioBrake, 350, 351, 353, 353 TrioBrake, 353TrioBrake, 357XP, 359 |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 340 | 340E | 345 | 345E | 345E TRIOBRAKE | 346XP | 346XP TRIOBRAKE | 350 | 351 | 353 | 353 TRIOBRAKE | 357XP | 359 |
