Description
Overview:
This genuine Husqvarna throttle is a replacement trigger/lever for petrol chainsaws, used to control engine speed precisely during cutting. Made from durable black polymer designed to withstand vibration and tough site conditions, it restores smooth, predictable throttle action when the original part is worn or broken. It is suitable for professional and domestic users who need reliable control from start-up to full load. The part corresponds to Husqvarna reference 505 15 77-01 (505157701) and is engineered for an exact fit on a wide range of mid-size Husqvarna professional saws, including the 545 and 550 XP. Correct throttle control helps maintain clean acceleration, stable idle, and consistent cutting performance across demanding tasks.
Key Features:
- Genuine Husqvarna part for assured compatibility and performance
- Durable polymer construction for long service life in harsh conditions
- Precisely moulded for smooth pivot action and responsive control
- Like-for-like replacement to restore original throttle feel
- Helps maintain steady idle and predictable acceleration under load
- Designed to fit a broad range of 50-60 cc Husqvarna pro saws in the 545/550/560/562 series
- Easy to install with basic hand tools, no modifications normally required
Typical Applications:
Used to replace a cracked, worn, or sticky throttle trigger on Husqvarna chainsaws. Suitable for everyday forestry, arborist work, landscaping, and firewood cutting where precise engine speed control is essential for safe and efficient operation.
Also known as:
Accelerator trigger, throttle trigger, speed control trigger, engine control trigger, handle trigger.
Fits Models:
540XP Mark III, 545, 545 Mark II, 545 TrioBrake, 545G Mark II, 545TrioBrake, 550 XP, 550 XPG, 550XP, 550XP Mark II, 550XP Mark II Trio Brake, 550XP Mark II TrioBrake, 550XP TrioBrake, 550XPG, 550XPG Mark II, 550XPG Mark II Trio Brake, 550XPG Mark II TrioBrake, 550XPG TrioBrake, 550XPGTrioBrake, 550XPTrioBrake, 555, 556, 560 XP, 560 XPG, 560XP, 560XP Mark II, 560XPG, 560XPG Mark II, 562 XP, 562 XPG, 562XP, 562XP Mark II, 562XPG, 562XPG Mark II
Alternate Part Numbers:
505 15 77-01, 505157701
Product Specifications
| L&S Part No. | 505 15 77 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 505157701 |
| Unit of Sale | 1 |
| Applications | 540XP Mark III, 545, 545 Mark II, 545 TrioBrake, 545G Mark II, 545TrioBrake, 550 XP, 550 XPG, 550XP, 550XP Mark II, 550XP Mark II Trio Brake, 550XP Mark II TrioBrake, 550XP TrioBrake, 550XPG, 550XPG Mark II, 550XPG Mark II Trio Brake, 550XPG Mark II TrioBrake, 550XPG TrioBrake, 550XPGTrioBrake, 550XPTrioBrake, 555, 556, 560 XP, 560 XPG, 560XP, 560XP Mark II, 560XPG, 560XPG Mark II, 562 XP, 562 XPG, 562XP, 562XP Mark II, 562XPG, 562XPG Mark II |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 545 | 545 TRIOBRAKE | 550XP TRIOBRAKE | 550XP, 550XPG | 555 | 556 | 560XP, 560XPG | 562XP, 562XPG | 550XP Mark II | 540XP Mark III | 545 Mark II | 545G Mark II | 550XPG Mark II | 550XPG Mark II Triobrake | 550XPG Triobrake | 550XP Mark II Triobrake | 560XPG Mark II | 560XP Mark II | 562XPG Mark II | 562XP Mark II |
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