Donaldson P550106 Fuel Filter Water Separator Spin-On

The Donaldson P550106 is a high-performance fuel filter and water separator designed to deliver superior fuel cleanliness and engine protection for heavy-duty diesel applications. This spin-on style filter combines efficient fuel filtration with water separation capabilities to prevent premature injector and pump wear while extending engine life.

Key Specifications:

• Filter efficiency: 99% at 25 microns (ISO 19438 standard)
• Water separation efficiency: 95% for emulsified water
• Thread size: 1-14 UN for easy installation
• Overall length: 7.40 inches (188mm)
• Outer diameter: 3.66 inches (93mm)
• Gasket dimensions: 2.44 inch ID x 2.83 inch OD
• Collapse burst rating: 100 PSI (6.9 bar)
• Spin-on design for quick, tool-free replacement

Features and Benefits:

• Heavy-duty construction with reinforced baffle plates, seams, and can housings
• Dual-function design removes both particulate contaminants and water from fuel
• Meets or exceeds OEM specifications for demanding commercial applications
• Primary application for Cummins engines (replaces Cummins 202893)
• Extensive cross-reference compatibility with over 178 aftermarket equivalents

Trusted by fleet managers worldwide, Donaldson filtration products deliver the quality and performance needed to keep trucks, construction equipment, and agricultural machinery operating at peak efficiency. This filter is compatible with a wide range of heavy-duty diesel engines from manufacturers including Cummins, Case IH, Caterpillar, Komatsu, Ford, and many others.