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Donaldson · Filtration
P558000
In stock · ships from Knoxville
The Donaldson P558000 is a spin-on fuel filter and water separator featuring the Twist&Drain design.
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Verified fitment for 3 applications
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All confirmed applications for this part number.
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Other applications
Not for marine applications. Verify fitment against your engine’s filter list; primary cross‑reference is Cummins 3308638.
Part data verified against 4 catalog sources
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It uses cellulose media to filter out contaminants down to 15 microns with 99% efficiency, while also separating emulsified water from diesel fuel (85% water removal efficiency) to help protect injectors and fuel pumps from wear and corrosion. The integrated bowl has a twist-to-drain valve that allows quick, mess-free draining of collected water during routine service. It is built to handle fuel system pressures up to 75 psi and fits common threads (1-14 UN). This filter is commonly used on certain Cummins-powered heavy‑duty trucks and equipment, but is not approved for marine applications.
Part Number: P558000
FUEL FILTER, WATER SEPARATOR SPIN-ON TWIST&DRAIN
Category: Donaldson- F
Dealer: Knox Trailers
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