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P576557
The Donaldson P576557 is a hydraulic filter head assembly for SP50/60 spin-on filters. It provides a mounting base and fluid connections for the filter, featuring an aluminum body with steel inserts, 1-1/4 inch NPT inlet and outlet ports, and a built-in 25 psi bypass valve. It is used in heavy-duty hydraulic systems to protect components from contamination and maintain system pressure. Replace when threads are damaged, the bypass valve fails, or the head is cracked.
Universal fit
Designed for SP50/60 spin-on hydraulic filters; used in various heavy-duty truck and equipment hydraulic systems. The vehicle list (International, Kenworth, Mack, Peterbilt, Volvo 2000-2015) from one distributor is not manufacturer-verified and likely reflects common hydraulic system applications rather than specific model fitment.
Part Number: P576557
HEAD ASSEMBLY, HYDRAULIC
Category: Donaldson- H
Vendor: Donaldson
Dealer: KP Services Crossville
Compatibility, alternatives, and more
