The Husqvarna 543850175 Arbor Nut is a genuine OEM replacement component designed for the TS350E masonry saw. Sourced directly from Husqvarna, this part matches the original thread specification and seating geometry of the factory-installed nut, ensuring the blade is held securely to the arbor shaft. DHS Equipment supplies this part to help keep your equipment running at full capacity with the correct OEM component.
Key Features
- Correct Thread Engagement — manufactured to Husqvarna's original thread pitch and torque spec, so the nut seats and locks exactly as the factory-installed component does on the TS350E arbor shaft.
- Genuine OEM Construction — produced to Husqvarna's material grade and dimensional standards, delivering the same hardness and thread integrity as the original part rather than an approximated substitute.
- Direct Application Fit for the TS350E — confirmed fitment for the TS350E masonry saw; cross-reference 543850175 against your parts diagram before ordering to verify your machine's configuration.
- Secure Blade Retention — a properly functioning arbor nut keeps the cutting blade clamped firmly to the spindle throughout operation, preventing blade movement that can lead to poor cut quality or accelerated wear on the flange and shaft.
- Blade-Security Safety Component — the arbor nut is a critical fastener in the blade retention system; using the correct OEM part ensures the clamping force and thread engagement meet Husqvarna's design intent for safe saw operation.
The arbor nut is the threaded fastener that clamps the cutting blade against the flange on the saw's spindle shaft, holding it in place during operation. It works together with the inner flange to create the clamping force needed to keep the blade centered and stationary relative to the arbor. When an arbor nut becomes worn, cross-threaded, or damaged, blade retention is compromised — this can cause blade wobble, uneven cuts, and unsafe operating conditions on a masonry saw.
Part Details
| Part Number | 543850175 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Arbor Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Masonry Saw | TS350E |
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.
