Husqvarna 598731901 O-Ring RDR20x3 Spare Part DM 400, DM 430

When your Husqvarna DM 400 or DM 430 core drill develops a hydraulic leak, this RDR20x3 O-ring gets you back to drilling fast. This genuine Husqvarna replacement part maintains proper seal integrity in your drill's hydraulic system, preventing fluid loss that can damage internal components and slow down your work. The O-ring is manufactured to OEM specifications, ensuring exact fit and reliable performance under the heat and pressure generated during deep concrete drilling. Keep one in your service kit to avoid downtime on multi-hole jobs where stopping to source parts costs you money. Built for concrete cutting contractors and maintenance technicians who service Husqvarna DM series core drills and need factory-spec replacement parts on hand.