The Husqvarna 504621001 Muffler is a genuine OEM replacement component designed for the FS4800D floor saw. As a factory-sourced part, this muffler is built to Husqvarna's exact specifications, ensuring correct exhaust routing, mounting alignment, and heat management for the FS4800D. DHS Equipment supplies this part to help keep your floor saw running at full capacity on the job.
Key Features
- OEM Exhaust Specification — Manufactured to Husqvarna's original exhaust flow and back-pressure requirements, preserving engine output and combustion efficiency specific to the FS4800D engine configuration.
- Direct Bolt-On Replacement — Engineered to match the original mounting points and port dimensions of the FS4800D, allowing straightforward installation without modification.
- FS4800D Floor Saw Compatibility — Sourced specifically for the FS4800D floor saw; cross-reference part number 504621001 against your parts diagram to confirm fitment before ordering.
- Restored Exhaust Performance — A cracked or deteriorated muffler causes excessive noise, increased operator exposure to exhaust gases, and potential power loss. Replacing it with this genuine OEM unit restores correct exhaust management and quieter operation.
- Operator Safety Compliance — A properly functioning muffler is critical for directing exhaust gases away from the operator and reducing noise levels to within acceptable working limits on active construction sites.
The muffler channels combustion exhaust gases away from the engine and reduces the acoustic output produced during operation. It plays a direct role in maintaining engine performance by managing exhaust back-pressure — too much restriction or too little containment both degrade power output and fuel efficiency. When a muffler cracks, corrodes, or develops leaks, exhaust gases can escape in unintended directions, increasing operator noise exposure and reducing the engine's ability to breathe correctly, which shortens service life if left unaddressed.
Part Details
| Part Number | 504621001 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Muffler |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS4800D |
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.