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Donaldson Hydraulic Head Assemblies

A hydraulic head assembly is the top section of a filter housing: it carries the ports, the sealing face the element registers against, and usually the bypass valve and indicator port. Because the bypass lives here, the head governs what happens when an element loads up or the oil is cold.

Heads are matched to a particular housing and element family, and to a port size and thread. Search by Donaldson part number, or give us the housing details and the number on the existing head.

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