The Husqvarna 506378303 Driving Pulley Assembly is a genuine OEM component designed for the K750 and K960 power cutters. As an authentic Husqvarna part, this assembly is built to the exact specifications of the original, ensuring a direct, correct fit without the guesswork of non-OEM alternatives. DHS Equipment supplies this part to help keep your equipment running at full capacity. Cross-reference part number 506378303 against your parts diagram to confirm fitment before ordering.
Key Features
- Genuine OEM Construction — Manufactured to Husqvarna's exact engineering specifications, this pulley assembly maintains the precise belt engagement geometry required for consistent power transfer in demanding cut-off saw applications.
- Direct-Fit Replacement — Engineered to install in the same position and orientation as the original component, matching the original mounting interface on the K750 and K960 power cutters.
- Confirmed Fitment for K750 and K960 Power Cutters — Purpose-built for these two Husqvarna power cutter models, eliminating compatibility guesswork on the jobsite.
- Restored Drive System Performance — A properly functioning driving pulley delivers smooth, consistent belt-driven blade power; a worn or damaged assembly leads to belt slippage, uneven cutting, and accelerated belt wear.
The Driving Pulley Assembly is a core component of the power cutter's belt drive system, responsible for transmitting engine power through the drive belt to the blade. It acts as the primary driven interface between the clutch drum and the belt, and its condition directly determines how efficiently cutting power reaches the blade. When the pulley wears, becomes damaged, or develops runout, the result is belt slippage, vibration, reduced blade speed, and premature belt failure — all of which compromise cutting performance and increase operating costs. Replacing this assembly with a genuine OEM part restores the drive system to its original operating specification.
Part Details
| Part Number | 506378303 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Driving Pulley Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K750 |
| Power Cutter | K960 |
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.
