Donaldson P581299 Fuel Filter Water Separator Cartridge

The Donaldson P581299 is a high-performance fuel filter and water separator cartridge designed for heavy-duty diesel engine applications. This filter delivers maximum engine life with premium protection and longer filter life, minimizing operating costs. Engineered specifically for PACCAR MX engines, this cartridge provides reliable fuel filtration and water separation to protect critical fuel system components.

Key Specifications:

• Outer diameter: 4.12 inches (104.7 mm)
• Length: 7.23 inches (183.7 mm)
• Gasket outer diameter: 4.89 inches (124.1 mm)
• Filtration efficiency: 95% at 10 microns
• UPC: 742330236062

Compatibility & Cross References:

• Used in Kenworth and Peterbilt trucks
• Replaces PACCAR K371011 and K371029
• Primary application: PACCAR K371029 (June 2018 and newer)
• Compatible with Kenworth T660 and T680 models

This genuine Donaldson fuel filter cartridge ensures optimal fuel system protection by effectively removing water and contaminants from diesel fuel before they can damage fuel injectors, pumps, and other sensitive engine components. The cartridge design allows for easy installation and replacement during routine maintenance intervals.