The Husqvarna 505593501 Dust Seal 1/2 Inch Shaft is a genuine OEM component designed for the Soff-Cut150, Soff-Cut150E, and Soff-Cut150PACE early entry saws. As a direct OEM replacement sourced from Husqvarna, this seal is manufactured to the same material grade and dimensional tolerances as the original part, ensuring a proper compression fit around the 1/2 inch shaft. It is the correct specification for the Soff-Cut 150 series and installs without modification. DHS Equipment supplies this part to help keep your early entry saw operating at full capacity.
Key Features
- OEM-Grade Seal Material — Manufactured to Husqvarna's compression and abrasion-resistance specifications for shaft seals, delivering the same service life as the original component.
- Exact Shaft Dimension Match — Engineered specifically for a 1/2 inch shaft, seating flush and forming a consistent barrier without adaptation or shimming.
- Soff-Cut 150 Series Fitment — Confirmed for the Soff-Cut150, Soff-Cut150E, and Soff-Cut150PACE early entry saws. Cross-reference part number 505593501 against your parts diagram before ordering.
- Keeps Concrete Dust Out of Critical Components — A functioning dust seal prevents abrasive slurry and fine concrete particulate from migrating along the shaft into bearings and internal assemblies, which is the primary cause of accelerated wear in early entry saw drivetrains.
- Dust Exposure Protection — Maintaining an intact shaft seal is essential for operator safety and equipment compliance when cutting green concrete, where fine respirable silica dust is a serious hazard. A failed seal allows dust to migrate through the drivetrain and escape into the cutting environment.
A dust seal sits at the point where the blade shaft exits the machine housing, forming a dynamic barrier between the rotating shaft and the surrounding structure. Its job is to prevent concrete dust, slurry, and abrasive debris from working their way along the shaft into the bearings and internal drive components. When a dust seal wears or tears, contamination enters the drivetrain rapidly, leading to premature bearing failure and increased internal wear. Replacing this seal at the first sign of deterioration protects the more costly components around it and keeps the machine cutting cleanly on the slab.
Part Details
| Part Number | 505593501 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Dust Seal 1/2 Inch Shaft |
Compatibility & Fitment
| Name | Model |
|---|---|
| Early Entry Saw | Soff-Cut150PACE |
| Early Entry Saw | Soff-Cut150 |
| Early Entry Saw | Soff-Cut150E |
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.