The Husqvarna 531118046 Hydraulic Coupling 1/8" Male is a genuine OEM hydraulic fitting designed for the PP455E power pack, WS460, WS462, and WS463 wall saws, CS2512 wire saw, and RC455 compactor. As a factory-original component, this coupling is built to Husqvarna's exacting specifications, ensuring a leak-free, pressure-rated connection every time it is installed. Cross-reference part number 531118046 against your machine's parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Hydraulic Integrity — Manufactured to Husqvarna's pressure and thread specifications, ensuring the coupling maintains a secure, leak-free seal under the operating pressures of hydraulic construction equipment.
- Exact-Thread Replacement — The 1/8" male thread profile matches the original port specification, allowing the coupling to thread directly into the hydraulic circuit without adapters or modifications.
- Broad Cross-Equipment Compatibility — Fits the PP455E power pack, WS460, WS462, and WS463 wall saws, CS2512 wire saw, and RC455 compactor, making it a versatile hydraulic service part across multiple Husqvarna Construction equipment families.
- Hydraulic System Performance — A correctly fitted coupling maintains full system pressure and flow, enabling the connected tool to deliver consistent cutting or compaction output. A worn or leaking coupling causes pressure loss, fluid contamination, and reduced machine performance.
- Fluid-System Safety — Hydraulic leaks at coupling points create slip hazards and can lead to uncontrolled pressure loss in active cutting or compaction equipment. Using a genuine OEM coupling eliminates the risk of thread mismatch or under-rated fittings at this critical connection point.
A hydraulic coupling is the threaded connection point that joins hydraulic hoses or ports within a machine's pressurized fluid circuit. In equipment such as wall saws, wire saws, and power packs, these fittings carry high-pressure hydraulic fluid to the drive motor and control system, so a secure, properly rated connection is essential to safe and efficient operation. When a coupling corrodes, cross-threads, or begins to weep fluid, the machine can lose drive pressure, respond erratically, or pose a fluid-leak hazard — making timely replacement with the correct OEM part the right call.
Part Details
| Part Number | 531118046 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Hydraulic Coupling 1/8" Male |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Pack | PP455E |
| Wall Saw | WS460 |
| Wall Saw | WS463 |
| Compactor | RC455 |
| Wall Saw | WS462 |
| Wire Saw | CS2512 |
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.
