The Husqvarna 577813601 Muffler is a genuine OEM replacement designed for the PP518 power pack. Sourced directly from Husqvarna, this muffler is built to the same specifications as the original component, ensuring proper exhaust performance and a correct, secure fit. Cross-reference part number 577813601 against your parts diagram to confirm compatibility with your PP518 before ordering. DHS Equipment supplies this part to help keep your equipment running at full capability.
Key Features
- OEM Exhaust Specification — Manufactured to Husqvarna's original design tolerances, maintaining the correct back-pressure and exhaust flow characteristics the PP518 engine depends on.
- Direct-Mount Replacement — Matches the original mounting points and port dimensions of the PP518, allowing straightforward installation without modification to surrounding components.
- PP518 Power Pack Fitment — Engineered specifically for the PP518 power pack, giving you confidence that this is the right part for your machine.
- Restored Exhaust Integrity — A damaged or deteriorated muffler allows exhaust gases to escape improperly, reducing engine efficiency and increasing noise levels. This replacement restores the correct exhaust path and sound attenuation.
- Emissions and Safety Compliance — A properly functioning muffler is essential for keeping exhaust gases directed away from the operator and meeting site safety and emissions expectations. Using a genuine OEM unit helps maintain those standards.
The muffler is responsible for routing exhaust gases away from the engine and reducing the acoustic output of combustion. On a power pack like the PP518, which drives hydraulic or high-frequency tools under sustained load, a correctly sealed and intact muffler is critical to safe, efficient operation. When a muffler cracks, corrodes, or loses its seal, exhaust gases can leak near the operator, engine noise rises noticeably, and the engine may run less efficiently due to disrupted exhaust scavenging. Replacing a worn muffler with a genuine OEM unit like this one restores proper exhaust routing and keeps the power pack performing as intended.
Part Details
| Part Number | 577813601 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Muffler |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Pack | PP518 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.