Donaldson P583557 Fuel/Water Separator | Cartridge

Donaldson P583557 Fuel/Water Separator Cartridge

The Donaldson P583557 Fuel/Water Separator Cartridge is a heavy-duty replacement filter element designed to help remove water and particulate contamination from diesel fuel. This cartridge-style separator is designed for compatible fuel/water separator assemblies used in commercial trucks, heavy-duty diesel engines, and equipment.

Effective fuel filtration is essential for protecting modern diesel fuel systems. The P583557 helps separate water and capture contaminants before they can reach sensitive fuel system components, helping support clean fuel delivery and dependable engine operation.

The cartridge design allows the filter element to be replaced while retaining the existing separator housing. Always verify the filter dimensions, housing, engine, and vehicle application before ordering.

Key Features

• Donaldson P583557 fuel/water separator cartridge
• Heavy-duty diesel fuel filtration
• Designed to separate water from diesel fuel
• Helps capture particulate contamination
• Helps protect fuel injectors and fuel system components
• Cartridge-style replacement element
• Designed for compatible fuel/water separator assemblies
• Suitable for commercial truck, diesel, and equipment applications

Specifications

• Brand: Donaldson
• Part Number: P583557
• Product Type: Fuel/Water Separator Cartridge
• Filter Style: Cartridge
• Application: Diesel Fuel Systems
• Function: Fuel Filtration & Water Separation
• Condition: New

Common Applications

The Donaldson P583557 is designed for use in compatible diesel fuel filtration systems. Because fuel filters and separator cartridges can be used across multiple engine, truck, and equipment applications, fitment should be verified by part number and application before ordering.

• Heavy-duty diesel engines
• Commercial trucks
• Fleet vehicles
• Construction equipment
• Industrial diesel equipment
• Diesel fuel system maintenance

Why Replace Your Fuel/Water Separator?

Water and contaminants in diesel fuel can contribute to fuel system wear, injector problems, poor engine performance, and premature component failure. Replacing the fuel/water separator cartridge at the recommended service interval helps maintain effective filtration and water separation.

A properly maintained separator can help protect expensive fuel system components while supporting reliable diesel engine operation.

Why Choose Donaldson P583557?

Donaldson filtration products are designed for demanding engine, vehicle, and equipment applications. The P583557 fuel/water separator cartridge provides a convenient replacement element for compatible fuel filtration systems and is a practical choice for professional diesel technicians, fleet maintenance departments, and equipment operators.

Fitment & Cross-Reference Information

Always verify the exact application before ordering. Fuel/water separator cartridges can have similar appearances while differing in dimensions, sealing configuration, filtration specifications, or housing compatibility.

When replacing the P583557, compare the existing filter and verify the Donaldson part number, equipment or engine model, filter housing, and application requirements to ensure the correct replacement.