The Husqvarna 505530351 Spring Washer is a genuine OEM component designed for K3000, K2000, K3000VAC, and K4000 power cutters. As an authentic Husqvarna part, it is manufactured to the exact tolerances required for proper fastener tension and load distribution in these machines. Cross-reference part number 505530351 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM Spring Tension Accuracy — Manufactured to Husqvarna's exact load and deflection specifications, ensuring the washer delivers consistent clamping force without over-compression or fatigue.
- Direct Drop-In Replacement — Engineered to match the original mounting configuration, this spring washer seats correctly without modification to fastener hardware or surrounding components.
- Broad Power Cutter Compatibility — Fits the K2000, K3000, K3000VAC, and K4000 power cutters, covering multiple models within Husqvarna's handheld cutting range.
- Maintains Fastener Integrity Under Vibration — Power cutters generate significant operational vibration; a correctly rated spring washer prevents fastener loosening that can compromise component retention and cutting precision.
- Genuine Husqvarna Part — Sourced directly from Husqvarna's OEM supply chain, this component meets the same material and hardness standards as the washer originally installed at the factory.
A spring washer is a hardened, curved or wave-form fastening component placed beneath a nut or bolt head to maintain clamping tension under dynamic loads and vibration. In a power cutter, where constant engine vibration and cutting forces work to loosen fastened assemblies, the spring washer acts as a mechanical lock — absorbing movement and keeping critical fasteners securely torqued. When a spring washer wears flat, loses its temper, or fails, fasteners can back out over time, leading to loose components, increased vibration, and potential mechanical failure during operation.
Part Details
| Part Number | 505530351 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Spring Washer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K3000 |
| Power Cutter | K2000 |
| Power Cutter | K3000VAC |
| Power Cutter | K4000 |
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.
