The Husqvarna 543081274 Y Coupling is a genuine OEM component designed for the FS309 floor saw. As a direct Husqvarna OEM part, it is built to the exact specifications of the original, ensuring a correct, trouble-free installation. DHS Equipment supplies this part to help keep your floor saw operating at full capacity.
Key Features
- OEM-Matched Flow Geometry — manufactured to Husqvarna's exact dimensional specifications, ensuring the branched connection maintains correct fluid or air distribution without restriction or leakage.
- Direct Drop-In Replacement — engineered to match the original mounting points and port sizing on the FS309, so installation connects cleanly to the existing lines without adapters.
- FS309 Floor Saw Compatibility — verified fitment for the FS309 walk-behind floor saw; cross-reference part number 543081274 against your parts diagram to confirm before ordering.
- Restored System Integrity — a correctly functioning Y Coupling maintains balanced distribution across both branches; a cracked or failed coupling can cause pressure loss or fluid misdirection that affects cutting performance.
- Genuine Husqvarna OEM Quality — sourced directly from Husqvarna Construction, this coupling meets the same material and pressure-resistance standards as the part it replaces.
A Y Coupling is a branched connector that splits a single line into two paths — or combines two paths into one — within the machine's fluid, water, or air circuit. On a floor saw like the FS309, it plays a key role in routing flow to the correct downstream components, maintaining consistent pressure and delivery across the system. A worn, cracked, or leaking coupling disrupts that balance, leading to reduced performance or unplanned shutdowns until the fitting is replaced.
Part Details
| Part Number | 543081274 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Y Coupling |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS309 |
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.