Description
Overview:
This genuine Husqvarna clutch drum assembly is a direct replacement part for selected lightweight chainsaws, built to restore smooth and consistent drive to the chain. Manufactured from durable steel with a corrosion‐resistant finish, it transfers power from the clutch to the chain sprocket, helping maintain efficient cutting performance and reducing unnecessary wear on surrounding components. Engineered for correct fit and alignment on compatible machines, it supports reliable engagement and steady chain speed under load. Suitable for everyday use by tradespeople and homeowners alike, it is ideal for Husqvarna 135 and 140 models, among others. Supplied to OEM standard for dependable service life. OEM reference: 578 25 71‐01.
Key Features:
- Genuine Husqvarna OEM component for assured compatibility and performance
- Steel construction for strength, heat resistance, and long service life
- Precise fit on specified models helps prevent chain slip and uneven wear
- Smooth power transfer supports consistent cutting and cleaner finishes
- Direct replacement for worn or damaged drums to restore operation
- Works with existing compatible clutch and bearing arrangements on the saw
- Stable running reduces vibration and stress on the drivetrain
- Straightforward installation with standard workshop tools
Typical Applications:
Replacing a worn or damaged drum to resolve chain drive issues, irregular chain speed, or clutch engagement problems. Suitable for routine maintenance on domestic and professional saws used for pruning, limbing, firewood cutting, fencing work, grounds care, and light forestry tasks where reliable chain drive is essential.
Also known as:
Clutch bell, drive drum, sprocket drum carrier, drum and sprocket unit, clutch hub, drive cup, chain drive drum, transmission drum.
Fits Models:
Husqvarna 135, Husqvarna 135E, Husqvarna 140, Husqvarna 140E, McCulloch CS350, McCulloch CS390
Alternate Part Numbers:
578 25 71-01, 578257101
Product Specifications
| L&S Part No. | 578 25 71 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 578257101 |
| Unit of Sale | 1 |
| Applications | 135, 135E, 140, 140E, CS350, CS390, Husqvarna 135, Husqvarna 135 E, Husqvarna 140, Husqvarna 140 E, Husqvarna135E, Husqvarna140E |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 135 | 135E | 140E |
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