The Husqvarna 593545801 Piston is a genuine OEM replacement built for the DuratiqT6, PG690RC, PG830RC, PG8DR, and PG8XR floor grinders. As a direct factory replacement, this piston is manufactured to Husqvarna's exact tolerances, ensuring a proper fit within the hydraulic or pneumatic circuit it serves. DHS Equipment supplies this part to help keep your floor grinding equipment operating at full capacity.
Key Features
- OEM-Grade Material Tolerance — Manufactured to Husqvarna's exact dimensional specifications, ensuring the correct bore fit, sealing surface finish, and compression characteristics required for this piston's role in the machine.
- Drop-In Replacement — Engineered to install directly into the original piston bore without additional machining or fitment adjustment, preserving the integrity of the surrounding assembly.
- Broad Floor Grinder Compatibility — Fits the DuratiqT6, PG690RC, PG830RC, PG8DR, and PG8XR floor grinders, covering both the premium DURATIQ line and the high-production PG series.
- Restored Drive Performance — A worn or damaged piston causes loss of pressure, inconsistent power delivery, and erratic machine behavior; replacing it with this genuine part restores full, consistent output to the drive system.
- Verified OEM Part Number — Cross-reference 593545801 against your machine's parts diagram to confirm application before ordering.
A piston is a critical reciprocating component within a hydraulic or pneumatic circuit, responsible for converting fluid pressure into mechanical force that drives machine movement or tool engagement. In a floor grinder, the piston works within a cylinder to maintain consistent pressure and power transfer to the grinding heads — directly influencing grinding force, head speed, and overall surface quality. When a piston wears, develops scoring, or loses its sealing integrity, the result is pressure drop, sluggish response, and uneven grinding performance that compromises the finished floor and stresses the surrounding drivetrain components.
Part Details
| Part Number | 593545801 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | DuratiqT6 |
| Floor Grinder | PG690RC |
| Floor Grinder | PG830RC |
| Floor Grinder | PG8DR |
| Floor Grinder | PG8XR |
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.
