The Donaldson fuel filter has been updated. The previous P550748 model has been replaced by the new P551858, ensuring you receive the latest high-performance filter with every order. This upgraded model is designed to protect your engine using advanced filtration and water separation technology.
The new P551858 is a spin-on fuel filter engineered for superior performance, functioning as both a fuel filter and a water separator. It offers 95% efficiency at 10 microns while meeting or exceeding OEM specifications. With its emphasis on durability and reliability, this filter is ideal for safeguarding high-pressure common rail systems and ensuring injector safety.
Technical Specifications
• Outer Diameter: 111.3 mm
• Length: Approximately 215.9 mm
• Design: Spin-on for secure, hassle-free installation
• Efficiency: Achieves 95% filtration at 10 microns
• OEM Compliance: Meets or exceeds standard specifications
Key Features
• High-pressure common rail protection and injector safety
• Genuine Donaldson quality assurance
• Fast shipping within 1 business day
• No minimum order requirements
Cross References
• Alliance Parts N122R50417 / N122R50421
• Atlas Copco 2914823600
• Fleetguard FS19591 / FS19754
This fuel filter is perfect for diesel and gasoline engine systems used in trucks, Jeeps, and 4WD vehicles. For more fuel filter options, please visit our Fuel Filters collection.