Husqvarna 574452501 O-Ring

The Husqvarna 574452501 O-Ring is a genuine OEM sealing component designed for Husqvarna wall saws, including the WS400, WS440, WS440HF, WS442, WS460, WS462, WS463, WS482, and WS482HF. As a direct OEM part, this O-Ring meets Husqvarna's exact material and dimensional specifications, ensuring a proper seal every time. Cross-reference part number 574452501 against your parts diagram to confirm correct placement before installation. DHS Equipment supplies this part to help keep your wall saw running at full capability.

Key Features

• OEM-Grade Sealing Material — manufactured to Husqvarna's exact compound and compression specifications, delivering the consistent sealing performance required in hydraulic and mechanical wall saw systems.
• Drop-In Replacement Fit — engineered to match the precise groove dimensions and cross-section of the original, so this O-Ring seats correctly without modification or adjustment.
• Broad Wall Saw Compatibility — fits the WS400, WS440, WS440HF, WS442, WS460, WS462, WS463, WS482, and WS482HF wall saws, covering a wide range of Husqvarna's track-mounted cutting systems.
• Leak Prevention — a properly seated O-Ring prevents fluid or pressure loss in critical circuits, maintaining consistent cutting power and protecting surrounding components from contamination or damage.
• System Integrity Under Pressure — wall saws operate under sustained hydraulic load; using the correct OEM O-Ring ensures the seal holds under the pressures and temperatures these machines generate during extended cutting work.

An O-Ring creates a pressure-tight seal between mating surfaces or within hydraulic circuits, preventing fluid from bypassing its intended path. In a wall saw, where hydraulic pressure drives the blade motor and feed system, even a minor seal failure can cause pressure drop, fluid leaks, or erratic blade performance. Replacing a worn or damaged O-Ring with the correct OEM part restores the integrity of the circuit and prevents collateral damage to pumps, motors, and valves.

Part Details

Compatibility & Fitment

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.