The Husqvarna 531118120 Coupling is a genuine OEM component designed for the PP455E power pack and WS482HF, WS442, and WS482 wall saws. As a factory-original part, it is manufactured to Husqvarna's exact specifications, ensuring a correct mechanical connection between drive components. This coupling is the right choice for restoring full power transmission performance in these systems. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Drive Specification — Manufactured to Husqvarna's exact torque and dimensional tolerances, ensuring the coupling transfers power between connected shafts without slip, vibration, or misalignment.
- Direct Drop-In Replacement — Engineered to match the original mounting interfaces on compatible machines, allowing straightforward installation without machining or adaptation.
- Broad System Compatibility — Fits the PP455E power pack and WS482HF, WS442, and WS482 wall saws, covering both hydraulic power source and wall saw applications within the same drive system.
- Restored Power Transmission — A worn or damaged coupling causes vibration, power loss, or complete drive failure; replacing it with this OEM component restores smooth, full-load power delivery to the cutting head.
- Verified Part Number Traceability — Cross-reference 531118120 against your Husqvarna parts diagram to confirm the correct coupling for your specific machine configuration before installation.
A coupling is a mechanical connector that links two rotating shafts or drive components, transferring torque from the power source to the driven assembly. In wall saw and power pack applications, the coupling must maintain precise alignment and absorb minor shock loads to protect both the motor and the driven component from damage. When a coupling wears, cracks, or fails, the result is irregular power delivery, increased vibration, or a complete loss of drive — making prompt replacement critical to keeping the system operational.
Part Details
| Part Number | 531118120 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Coupling |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Pack | PP455E |
| Wall Saw | WS482HF |
| Wall Saw | WS442 |
| Wall Saw | WS482 |
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.
