Wix 51721 Hydraulic Filter

The Wix 51721 Hydraulic Filter is a spin-on filter with a metal canister housing and high-efficiency hydraulic filter media that removes contaminants from hydraulic oil to protect hydraulic components. Designed for industrial and mobile hydraulic systems, it is commonly installed in hydraulic power units, construction equipment, industrial presses, and agricultural machinery, and is compatible with hydraulic power units and mobile machinery, used by maintenance technicians, hydraulic repair facilities, and OEMs for preventative maintenance and reliability improvements. Key specifications include an integrated bypass valve, gasket included, outside-in flow, heavy-duty service rating, corrosion-resistant housing, and hydraulic-oil operating fluid with hydraulic-system pressure resistance. Common replacements include Baldwin BT839-10, Donaldson P550388, and Fleetguard HF6552.