Description
Overview:
This Muffler Kit for Husqvarna long‑reach hedge trimmers is a Genuine Husqvarna OEM part, Manufacturer Part Number (MPN) 504 03 78-01. Built from durable, corrosion‑resistant steel with a heat‑resistant coating, it manages exhaust flow to reduce noise and emissions while helping protect nearby plastics and operator comfort. Designed specifically for the 327HDA65 X‑Series and 327HE3 X‑Series machines, it restores correct back‑pressure and smooth running on 2‑stroke engines. Ideal for routine maintenance or replacing a damaged or noisy exhaust, this genuine kit offers a precise fit to the original mounting points, supporting reliable starting, stable idle, and consistent cutting performance in professional landscaping and domestic garden care.
Key Features:
- Genuine Husqvarna OEM muffler kit (MPN 504 03 78-01) for assured compatibility and quality
- Designed to reduce exhaust noise and control emissions to manufacturer specifications
- Robust steel construction with heat‑resistant finish for long service life
- Direct replacement using existing mounting points for a straightforward fit
- Helps restore correct back‑pressure for smoother running and better throttle response
- Minimises hot gas leaks that can damage covers and nearby components
- Suitable for demanding commercial use as well as regular domestic maintenance
- Recommended to fit with a new gasket and fasteners where required for best seal
Typical Applications:
Used to replace worn, rusted, or damaged exhaust assemblies on Husqvarna 327‑series long‑reach hedge trimmers. Common in routine servicing to maintain low operating noise, protect engine components from heat, and ensure clean exhaust flow. Suitable for grounds maintenance crews, landscapers, and homeowners seeking reliable, compliant performance.
Also known as:
Exhaust, silencer, exhaust muffler assembly, exhaust box, spark arrestor muffler, hedge trimmer silencer, exhaust can, noise reduction kit.
Fits Models:
327HDA65 X-Series, 327HE3 X-Series, 327HE4 X-Series
Alternate Part Numbers:
504 03 78-01, 504037801, 504 03 78 01, 504-03-78-01
Product Specifications
| L&S Part No. | 504 03 78 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 504037801 |
| Unit of Sale | 1 |
| Machine Type | Hedgetrimmers |
| Fits Brands | Husqvarna |
| Fits Models | 327HDA65 X-SERIES | 327HE3 X-SERIES | 327HE4 X-SERIES |
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