The Husqvarna 503875402 Bar Bolt is a genuine OEM replacement designed for the K770 and K970 power cutters. This bar bolt is sourced directly from Husqvarna, ensuring it meets the exact specifications required for proper blade guard and blade arm retention on these machines. Cross-reference part number 503875402 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
- Genuine OEM Construction — manufactured to Husqvarna's exact thread pitch and tensile specifications, ensuring the bolt seats and torques correctly without stripping or backing out under vibration
- Direct Drop-In Replacement — engineered to the same dimensions as the original, this bar bolt installs into the existing mounting point with no modification to surrounding hardware
- Compatible with K770 and K970 Power Cutters — confirmed fitment for both K770 and K970 models, covering a wide range of active Husqvarna power cutter fleets on the jobsite
- Structural Integrity Under Load — a correctly installed bar bolt keeps the blade arm firmly secured during high-torque cutting operations; a worn or missing bolt compromises blade arm stability and cutting accuracy
- Operational Safety — secure blade arm retention is a critical safety function; using the correct OEM bolt ensures the clamping force meets Husqvarna's design intent and reduces the risk of blade arm movement during operation
The bar bolt is the fastener responsible for clamping and securing the blade arm assembly to the power cutter body. It holds the cutting attachment firmly in position, transmitting the forces generated during operation through the frame rather than through the blade arm connection. When this bolt is worn, damaged, or improperly torqued, the blade arm can shift under load, leading to inaccurate cuts, accelerated wear on surrounding components, and a potential safety hazard. Replacing it with the correct OEM part restores the secure, stable connection the machine was built to deliver.
Part Details
| Part Number | 503875402 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Bar Bolt |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K770 |
| Power Cutter | K970 |
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.
