The Husqvarna 531118045 Hydraulic Coupling 1/8" Female is a genuine OEM component designed for the PP455E power pack, WS462 and WS463 wall saws, CS2512 wire saw, and RC455 compactor. As an authentic Husqvarna part, this coupling is manufactured to the exact tolerances required for leak-free hydraulic performance across the machines it serves. Cross-reference part number 531118045 against your parts diagram to confirm correct fitment before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM-Spec Sealing Integrity — Manufactured to Husqvarna's exact thread and port specifications, ensuring a pressure-rated, leak-free connection at the 1/8" female fitting interface.
- Direct Thread-In Replacement — Engineered to thread directly into existing hydraulic ports without modification, matching the original coupling's geometry and connection type exactly.
- Broad Equipment Compatibility — Fits the PP455E power pack, WS462 and WS463 wall saws, CS2512 wire saw, and RC455 compactor — a single part serving multiple Husqvarna Construction platforms.
- Sustained Hydraulic Flow — A correctly seated coupling maintains consistent hydraulic pressure delivery, ensuring tools like wall saws and wire saws operate at rated output without pressure drop or fluid loss.
- System Safety Under Pressure — Hydraulic couplings operate under significant working pressure; using a genuine OEM fitting rated for the system helps prevent uncontrolled fluid release and potential equipment damage.
A hydraulic coupling is the threaded connector that joins hydraulic hose lines or ports within the machine's fluid circuit. The 1/8" female thread format mates with a corresponding male fitting to create a sealed junction that carries pressurized hydraulic fluid between the power source and the working tool. When a coupling is worn, cross-threaded, or damaged, it allows fluid to escape under pressure — reducing system efficiency, contaminating the work area, and potentially causing the connected equipment to lose power or shut down entirely. Replacing a failed coupling with a genuine OEM part restores a properly sealed connection and returns the hydraulic circuit to its rated operating condition.
Part Details
| Part Number | 531118045 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Hydraulic Coupling 1/8" Female |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Pack | PP455E |
| Wall Saw | WS462 |
| Wire Saw | CS2512 |
| Wall Saw | WS463 |
| Compactor | RC455 |
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.
