The Husqvarna 578496601 Locking Nut is a genuine OEM component designed for the CRT48PS power trowel. As a direct OEM replacement, this locking nut is manufactured to Husqvarna's exact specifications, ensuring a correct, secure fit in the original mounting position. Confirm part number 578496601 against your parts diagram before ordering to guarantee compatibility with your CRT48PS. DHS Equipment supplies this part to help keep your equipment running and productive on the job.
Key Features
- Genuine OEM Construction — manufactured to Husqvarna's exact thread pitch and torque specifications, ensuring the holding force and material grade match the original fastener on your power trowel
- Exact-Match Replacement — engineered to install directly into the factory position on the CRT48PS, threading in as the original did with no modification to surrounding hardware
- CRT48PS Power Trowel Fitment — purpose-built for the Husqvarna CRT48PS, so you can order with confidence knowing this is the correct part for your machine
- Secure Fastening Under Load — a properly functioning locking nut resists loosening from vibration during trowel operation, maintaining critical assembly integrity and preventing component movement
- Part Number Verified — cross-reference 578496601 against your CRT48PS parts diagram to confirm the correct application before installation
A locking nut is a specialized fastener designed to resist loosening caused by vibration, rotation, and dynamic loads — conditions that are constant during power trowel operation. Unlike a standard nut, a locking nut uses a mechanical or friction-based locking feature to maintain clamping force even as the machine runs. When a locking nut wears, strips, or fails to hold torque, the assembly it secures can shift or come loose, leading to accelerated component wear, misalignment, or unsafe operating conditions. Replacing a compromised locking nut promptly restores the integrity of the fastened joint and keeps the CRT48PS performing as intended.
Part Details
| Part Number | 578496601 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Locking Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Trowel | CRT48PS |
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.