The Husqvarna 740422400 O-Ring is a genuine OEM sealing component designed for K7000, K970, K950, K960, and K3500 power cutters. As a factory-original part, it is manufactured to Husqvarna's exact material and dimensional specifications, ensuring a consistent, reliable seal wherever it is installed in the machine. DHS Equipment supplies this part to help keep your equipment running at full performance. Cross-reference part number 740422400 against your parts diagram to confirm the correct application before ordering.
Key Features
- OEM-Grade Elastomer Material — Manufactured to Husqvarna's exact compound and hardness specification, delivering the compression recovery and chemical resistance required for power cutter operating conditions.
- Exact Dimensional Fit — Matches the original groove geometry precisely, so this O-Ring seats fully and seals without adjustment or modification.
- Broad K-Series Power Cutter Compatibility — Fits the K7000, K970, K950, K960, and K3500 power cutters, covering a wide range of Husqvarna's professional handheld cutting line.
- Restored Sealing Integrity — A correctly seated O-Ring prevents fluid or pressure loss at the sealing point, maintaining the system performance the machine was designed to deliver.
- Genuine Husqvarna OEM Part — Sourced directly from Husqvarna's authorized parts network, so you can verify part number 740422400 with confidence against official service documentation.
An O-Ring is a circular elastomeric seal that sits within a machined groove between two mating components, creating a pressure- or fluid-tight barrier when compressed. In power cutters, O-Rings are used throughout fuel, hydraulic, and coolant pathways to prevent leaks and maintain system pressure. When an O-Ring degrades — through heat cycling, chemical exposure, or mechanical wear — it loses its ability to compress evenly, leading to seepage, pressure drop, or contamination ingress that can affect machine performance and accelerate wear on surrounding components. Replacing a failed O-Ring promptly with the correct OEM part restores the seal to its original specification and protects the integrity of the system it serves.
Part Details
| Part Number | 740422400 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K7000 |
| Power Cutter | K970 |
| Power Cutter | K950 |
| Power Cutter | K960 |
| Power Cutter | K3500 |
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.