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HSA (Hydraulic Seals Australia) is a 100% Australian-owned supplier of hydraulic, rotary, and pneumatic sealing elements, serving both OEM and aftermarket sectors across diverse industries nationwide. Established to deliver high-quality sealing products alongside custom engineering capability, HSA has grown into Australia’s premier supplier of seals critical to fluid power system performance.

HSA’s product range includes hydraulic seals, O-rings, rotary seals, static seals, cylinder kits, and ancillary components designed to maintain fluid integrity and prevent leakage. In addition to standard off-the-shelf moulded parts, HSA offers custom machined seal solutions tailored to specific application requirements. With CNC machining available at each branch, HSA provides rapid turnaround on specialised parts and access to a wide range of raw materials suitable for challenging operating environments.

HSA products help protect hydraulic systems by keeping contaminants out and ensuring stable pressure and motion control over extended duty cycles. Their extensive inventory supports cylinder rebuilds, hose and fitting sealing, and heavy-duty service needs, while compatibility with leading global brands provides flexibility across mixed-equipment fleets.

Serving construction, agriculture, materials handling, mining, industrial manufacturing, and more, HSA supports customers with technical expertise and a nationwide branch network spanning Melbourne, Sydney, Newcastle, Brisbane, and Mackay. Customers benefit from HSA’s deep product range, custom engineering support, and local stock, which together help reduce downtime and improve system reliability.

By focusing on sealing technology, engineered solutions, and responsive service, HSA delivers sealing products that support long-term hydraulic performance and peace of mind for operators and maintenance professionals alike.

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