The Husqvarna 577998701 Air Filter is a genuine OEM component designed for the FS513, FS520, and FS524 floor saws. As a direct OEM replacement, it meets Husqvarna's original filtration specifications — ensuring the engine receives clean, properly filtered air under the demanding conditions of concrete cutting. Cross-reference part number 577998701 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM Filtration Media — Manufactured to Husqvarna's original filter material and pore-size specification, delivering consistent particulate capture in high-dust cutting environments.
- Direct Drop-In Replacement — Sized and sealed to match the factory airbox housing on FS513, FS520, and FS524 floor saws, seating correctly without trimming or adaptation.
- Broad FS-Series Compatibility — A single part number covers the FS513, FS520, and FS524 floor saw lineup, simplifying service across multiple machines on the same crew.
- Engine Protection Under Load — A properly seated air filter prevents abrasive concrete dust from reaching piston rings and cylinder walls, preserving compression and extending engine service life.
- Fuel Efficiency and Power Output — A clean, unrestricted filter maintains the correct air-to-fuel ratio, supporting full engine output and preventing the rich-running and overheating associated with a clogged element.
- Dust Environment Safety — In concrete cutting applications, filter integrity directly affects both engine health and compliance with dust-control best practices; a genuine OEM element ensures the seal and media perform as designed.
The air filter's role is to prevent airborne contaminants — concrete dust, silica particles, and debris — from entering the engine's intake. On a walk-behind floor saw operating in heavy-dust conditions, this is a high-demand job: a compromised or incorrect filter allows abrasive particles to pass through, accelerating wear on internal engine components and leading to loss of power, higher fuel consumption, and ultimately premature engine failure. Replacing the filter with a correct OEM unit like the 577998701 restores full airflow protection and keeps the engine running within its designed operating parameters.
Part Details
| Part Number | 577998701 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Air Filter |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS513 |
| Floor Saw | FS520 |
| Floor Saw | FS524 |
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.
