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Donaldson · Filtration
P576557
In stock · ships from Knoxville
The Donaldson P576557 is a hydraulic filter head assembly for SP50/60 spin-on filters.
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Verified fitment for 1 applications
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All confirmed applications for this part number.
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 data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 4 of 4.
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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.
Part Number: P576557
HEAD ASSEMBLY, HYDRAULIC
Category: Donaldson- H
Vendor: Donaldson
Dealer: Knox Trailers
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