Description
Overview:
This O-Ring is a genuine Husqvarna sealing component for professional and domestic machines where a reliable seal is essential. Made from durable black rubber, it provides a tight, resilient seal to help prevent fluid leaks and keep dust and moisture out of critical assemblies. It is suitable for Husqvarna disc cutters, including the K2500 and K3600 MKII, and is also used across selected Husqvarna pressure washers, drilling motors, and pole pruners. As a Genuine Part, it matches the original specifications for fit and material quality, supporting consistent performance and longer service intervals. OEM No. 740 42 03-00 (740420300) for straightforward identification during servicing and parts ordering.
Key Features:
- Genuine Husqvarna part for correct fit, material quality, and compatibility
- Robust rubber construction for dependable sealing against water, oil, and debris
- Helps maintain system pressure and performance by preventing leaks
- Protects internal components by keeping contaminants out of housings and joints
- Easy to install during routine servicing, reducing downtime on site or in the workshop
- Suitable for sealing various interfaces such as housings, couplings, and connectors
- Widely used across Husqvarna disc cutters, drilling motors, pressure washers, and pole pruners
- OEM references: 740 42 03-00 / 740420300 for quick cross-checking
Typical Applications:
Used when replacing worn seals to resolve drips, pressure loss, or ingress in assemblies such as pump housings, covers, couplings, and hose connections. Common during maintenance of Husqvarna disc cutters, pressure washers, drilling motors, and pole pruners to restore a reliable seal and support safe, efficient operation.
Also known as:
Rubber O-ring, sealing ring, seal ring, gasket ring, toroidal seal, elastomer seal, packing ring, circular seal.
Fits Models:
323P, 325P, 326P, 327P, 327P4, 327P5x, 525P4S, 525P5S, 535FBX, DM 280, DM 330, DM 340, K2500, K3600 MKII, PW 125, PW 130, PW 235, PW 235R, PW 240, PW 345C, PW 350, PW 360, PW 370, PW 450, PW 460, PW 480
Alternate Part Numbers:
740 42 03-00, 740420300
Product Specifications
| L&S Part No. | 740 42 03 00 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 740420300 |
| Unit of Sale | 1 |
| Applications | 323P, 325P, 326P, 327P, 327P4, 327P5x, 525P4S, 525P5S, 535FBX, DM 280, DM 330, DM 340, DM280, DM330, DM340, K2500, K3600 MkII, K3600MKII, PW 125, PW 130, PW 235, PW 235R, PW 240, PW 345C, PW 350, PW 360, PW 370, PW 450, PW 460, PW 480, PW125, PW130, PW235, PW235R, PW240, PW345C, PW350, PW360, PW370, PW450, PW460, PW480 |
| Machine Type | Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | K2500 | K3600 MkII | 323P | 325P | 326P | 327P | 525P4S | 525P5S | 535FBX | PW 125 | PW 235 | PW 235R | PW 345C | PW 360 | PW 450 | PW 460 | PW 130 | PW 240 | PW 350 | PW 350 | PW 360 | PW 370 | PW 480 | DM 280 | DM 330 | DM 340 | 327P4 | 327P5x |
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