The Husqvarna 542198916 Needle Valve is a genuine OEM component designed for the FS4800D, FS6600D, FS6800D, and FS8400D floor saws. As a direct OEM replacement, this valve is manufactured to Husqvarna's exact specifications, ensuring proper fuel flow regulation and consistent engine performance across the full range of compatible machines. DHS Equipment supplies this part to help keep your floor saw running at full capacity. Cross-reference part number 542198916 against your parts diagram to confirm fitment before ordering.
Key Features
- Genuine OEM Fuel System Precision — manufactured to Husqvarna's exact tolerances, ensuring the valve seats and seals correctly for consistent fuel metering in the carburetor circuit.
- Direct Drop-In Replacement — engineered to match the original mounting interface and dimensions, allowing straightforward installation without reworking surrounding fuel system components.
- Broad Floor Saw Compatibility — fits the FS4800D, FS6600D, FS6800D, and FS8400D floor saws, covering a wide range of Husqvarna's professional walk-behind slab sawing equipment.
- Restored Fuel Flow Control — a correctly functioning needle valve maintains the precise fuel-to-air mixture the engine demands; a worn or faulty valve can cause hard starting, rough idle, or erratic throttle response.
- Fuel System Integrity — using the correct OEM needle valve helps maintain a properly sealed fuel circuit, reducing the risk of fuel leaks and supporting safe, compliant operation on the job.
The needle valve is a precision fuel system component located within the carburetor. It regulates the flow of fuel into the float chamber, opening and closing in response to fuel demand to maintain the correct fuel level for proper combustion. When a needle valve wears, sticks, or fails to seat correctly, the engine may flood, starve for fuel, or run inconsistently — all of which compromise cutting performance and can lead to unexpected shutdowns on an active slab-sawing operation.
Part Details
| Part Number | 542198916 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Needle Valve |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS4800D |
| Floor Saw | FS6600D |
| Floor Saw | FS6800D |
| Floor Saw | FS8400D |
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.
