The Husqvarna 503595901 Shaft Assembly is a genuine OEM component designed for the K1250, K1260, and 3122K power cutters. As a direct factory replacement, this assembly restores the mechanical drivetrain connection to original specification, ensuring the cutter operates exactly as engineered. DHS Equipment supplies this part to help keep your equipment running at full capacity. Cross-reference part number 503595901 against your parts diagram to confirm fitment before ordering.
Key Features
- OEM Drivetrain Precision — Manufactured to Husqvarna's exact dimensional tolerances, this shaft assembly maintains the rotational alignment and load-transfer accuracy critical to power cutter performance.
- Drop-In Replacement Fit — Engineered to match the original mounting points and interface dimensions, this assembly installs directly without modification to existing hardware or housings.
- Broad K-Series Compatibility — Confirmed fitment for the K1250, K1260, and 3122K power cutters, covering several of Husqvarna's high-capacity handheld cutting machines.
- Restored Power Transfer — A correctly functioning shaft assembly ensures full, uninterrupted power delivery from the engine to the cutting disc. A worn or damaged shaft can introduce vibration, erratic cutting behavior, or complete drivetrain failure.
- Genuine Husqvarna Part — Sourced directly from Husqvarna, this component meets the same build standards as the original part installed at the factory — no substitution or compromise in materials or geometry.
The shaft assembly is a core mechanical component in the power cutter's drivetrain, responsible for transmitting rotational force from the engine to the blade drive system. It must maintain precise alignment under significant load and vibration to keep the cutting disc running true. When a shaft assembly wears, bends, or fails, the result is typically increased vibration, reduced cutting power, or a complete loss of blade drive — all of which can bring work to a halt and place additional stress on surrounding components.
Part Details
| Part Number | 503595901 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Shaft Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K1250 |
| Power Cutter | 3122K |
| Power Cutter | K1260 |
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.
