Description
Overview:
This genuine Husqvarna spring (MPN 544 09 99-01) is a direct replacement component used within the operating mechanism of selected Husqvarna chainsaws, including the 135 and 435. Manufactured from tempered spring steel, it delivers consistent tension and reliable return action to keep critical functions operating smoothly. The precision-wound construction helps maintain stability under vibration and regular use, supporting dependable performance in both professional and home settings. Designed specifically for Husqvarna petrol and battery models listed below, it offers an accurate fit with OEM tolerances and straightforward installation as a like-for-like swap. Whether you are carrying out routine maintenance or replacing a worn or broken spring, this part restores correct tension so the saw operates as intended and remains safe and responsive in daily use.
Key Features:
- Genuine Husqvarna OEM part for assured fit and compatibility (544 09 99-01)
- Tempered spring steel for strength, resilience, and long service life
- Helps restore correct tension and return action in the specified mechanism
- Stable performance under vibration, temperature changes, oil, and debris
- Consistent dimensions to suit original housings and interfaces-no modification needed
- Straightforward to fit as a direct replacement using basic hand tools
- Supports smooth, predictable chainsaw operation and reduces downtime
- Suitable for both professional servicing and DIY repairs
Typical Applications:
Used during maintenance or repairs to replace a fatigued, stretched, or broken spring within the chainsaw's mechanism on the listed Husqvarna models. Ideal when the original spring no longer holds tension properly, causing sluggish return or inconsistent operation. Helps keep saw controls responsive and working as intended for day-to-day cutting tasks.
Also known as:
Chainsaw spring, saw spring, repair spring, tension spring, return spring, OEM spring, Husqvarna replacement spring, service spring.
Fits Models:
135, 135E, 140, 140E, 330i, 435, 435E, 435EII, 435II, 436LI, 440E, 440EIE, 440EII, 440II, 445, 445E, 445EII, 445II, 450, 450E, 450EII, 453E, 535i XP, 535iXP, 536Li XP, 536LiXP, 540XP Mark III, 545, 545 Mark II, 545 TrioBrake, 545G Mark II, 545TrioBrake, 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, 560XP, 560XP Mark II, 560XPG, 560XPG Mark II, 562XP, 562XP Mark II, 562XPG, 562XPG Mark II, 565, 572XP, 572XPG, K535i, T535i XP, T535iXP, T536Li XP, T536LiXP
Alternate Part Numbers:
544 09 99-01, 544099901
Product Specifications
| L&S Part No. | 544 09 99 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 544099901 |
| Unit of Sale | 1 |
| Applications | 135, 135E, 140, 140E, 330i, 435, 435E, 435EII, 435II, 436LI, 440E, 440EIE, 440EII, 440II, 445, 445E, 445EII, 445II, 450, 450E, 450EII, 453E, 535i XP, 535iXP, 536Li XP, 536LiXP, 540XP Mark III, 545, 545 Mark II, 545 TrioBrake, 545G Mark II, 545TrioBrake, 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, 560XP, 560XP Mark II, 560XPG, 560XPG Mark II, 562XP, 562XP Mark II, 562XPG, 562XPG Mark II, 565, 572XP, 572XPG, K535i, T535i XP, T535iXP, T536Li XP, T536LiXP |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 135 | 135E | 140E | 435 | 435E | 435EII | 435II | 436LI | 440E | 440EII | 440II | 445 | 445E | 445EII | 445II | 450 | 450EII | 536LIXP | 545 | 545 TRIOBRAKE | 550XP TRIOBRAKE | 550XP, 550XPG | 555 | 556 | 560XP, 560XPG | 562XP, 562XPG | 565 | 572XP, 572XPG | 535i XP | T535i XP | K535I | 550XP Mark II | 330i | 436Li | 536Li XP | T536Li XP | 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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