The Husqvarna 598611001 Tank Vent Assembly is a genuine OEM component designed for K760II, K760, K770, K1270, and K1270R power cutters. As an authentic Husqvarna part, it meets the exact specifications of the original component it replaces, ensuring correct fuel tank pressure balance across the full range of compatible machines. DHS Equipment supplies this part to help keep your power cutter operating at its best. Cross-reference part number 598611001 against your parts diagram to confirm fitment before ordering.
Key Features
- Genuine OEM Venting Spec — manufactured to Husqvarna's original flow and pressure-relief specifications, ensuring the tank breathes correctly under all operating conditions.
- Direct Drop-In Replacement — engineered to match the original mounting interface, so this assembly seats and seals without modification to the tank fitting or housing.
- Broad Power Cutter Compatibility — fits the K760II, K760, K770, K1270, and K1270R power cutters, covering both mid-range and large-diameter cutting applications.
- Protects Fuel System Integrity — a functioning tank vent prevents pressure buildup and vacuum lock that can restrict fuel delivery and cause hard starting or erratic engine behavior.
- Fuel System Safety — a properly sealed and vented fuel tank reduces the risk of fuel leakage and vapor buildup, keeping the machine compliant with safe operating standards on the jobsite.
The tank vent assembly regulates air pressure inside the fuel tank as the engine consumes fuel. Without proper venting, a negative pressure vacuum builds up inside the tank, starving the carburetor of fuel and causing the engine to run lean, surge, or stall. Conversely, a blocked or failed vent can also trap excess pressure that may force fuel past seals. When this component wears or becomes clogged, fuel flow becomes inconsistent — replacing it with the correct OEM assembly restores stable, uninterrupted fuel delivery to the engine.
Part Details
| Part Number | 598611001 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Tank Vent Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K760II |
| Power Cutter | K760 |
| Power Cutter | K770 |
| Power Cutter | K1270 |
| Power Cutter | K1270R |
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.
