The Husqvarna 740421000 O-Ring is a genuine OEM sealing component designed for the K7000 and K970 power cutters. Sourced directly from Husqvarna, this O-Ring is manufactured to the exact material grade and dimensional tolerances required for a proper compression seal in your machine. This component is a direct replacement for the original, making it the correct choice when servicing either of these power cutters. DHS Equipment supplies this part to help keep your equipment running at full performance.
Key Features
- OEM-Grade Sealing Material — manufactured to Husqvarna's exact compound and durometer specification, ensuring the correct compression set and seal integrity for this application.
- Exact-Profile Replacement — matches the original cross-section and diameter so it seats correctly in its groove without adjustment or modification.
- Compatible with K7000 and K970 Power Cutters — verified fitment for these Husqvarna power cutter models; cross-reference 740421000 against your parts diagram to confirm the correct location.
- Prevents Fluid or Air Ingress — a correctly functioning O-Ring keeps internal passages properly sealed; a worn or damaged seal can lead to pressure loss, fluid leaks, and accelerated wear of surrounding components.
An O-Ring is a precision-molded loop of elastomeric material that seats in a machined groove to create a static or dynamic seal between two mating surfaces. In a power cutter like the K7000 and K970, O-Rings are used throughout the fuel system, water management circuit, and other assemblies to prevent leaks and maintain the pressure or fluid separation those systems depend on. When an O-Ring degrades — through heat cycling, chemical exposure, or compression fatigue — it can crack or lose its ability to seal, resulting in visible leaks, reduced system performance, or contamination of sensitive internal components. Replacing it with a genuine OEM part number this part restores the original seal condition and protects the surrounding assembly.
Part Details
| Part Number | 740421000 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K7000 |
| 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.
