Fuel Filter, Water Separator Cartridge - P550657

Donaldson Company Fuel Filter, Water Separator Cartridge Part No: P550657

$21.16

The Donaldson P550657 fuel filter water separator cartridge is designed to help protect diesel engines by removing harmful water and contaminants from the fuel system. Built with advanced filtration media, it supports efficient fuel flow while maintaining reliable separation performance. This cartridge style filter fits many heavy duty truck and equipment applications. Its durable construction helps improve fuel cleanliness, extend injector life, and support consistent engine operation in demanding working conditions.

Specifications

The Donaldson P550657 fuel filter water separator cartridge is engineered to deliver dependable fuel system protection in demanding diesel applications. By effectively separating water and capturing harmful contaminants, this filter helps reduce the risk of injector damage and fuel system wear. Its durable cartridge design allows consistent fuel flow while maintaining strong filtration efficiency throughout the service interval. Ideal for commercial trucks and heavy equipment, the P550657 supports improved fuel cleanliness, reliable engine performance, and extended component life under tough operating conditions.

Efficiency Test Std: SAE J1488, J1985
Type: Water Separator
Primary Application: NAVISTAR 1842638C91
Style: Cartridge
Outer Diameter: 3.74 IN
Efficiency 99%: 7 MICRON
Emulsified H2O Efficiency: 95 PERCENT
Inner Diameter: 0.81 IN
Length: 141.8 MM

Weight

0.5700