Donaldson P554476 Spin-On Secondary Fuel Filter

The Donaldson P554476 is a high-efficiency spin-on secondary fuel filter engineered to provide superior protection for heavy-duty diesel engines. This filter features advanced cellulose media that achieves 99% filtration efficiency at 9 microns, effectively capturing harmful contaminants before they can damage sensitive fuel system components such as injectors and pumps.

Key Specifications:

• Outer Diameter: 4.23 inches (107mm)
• Overall Length: 7.95 inches (202mm)
• Thread Size: M30 x 1.5
• Gasket OD: 3.90 inches (99mm)
• Gasket ID: 3.54 inches (90mm)
• Filtration Efficiency: 99% at 9 microns
• Efficiency Test Standard: SAE J1985
• Filter Type: Secondary, Spin-On
• Media Type: Cellulose

Features & Benefits:

• Spin-on design enables quick and easy filter replacement with minimal downtime
• High dirt-holding capacity extends service intervals and reduces maintenance costs
• Precision-engineered gaskets ensure leak-free operation and proper seal
• Meets SAE J1985 testing standards for proven performance
• Designed for heavy-duty trucks, construction equipment, and commercial vehicles

This genuine Donaldson filter is the OEM choice for Mack applications (OEM part number 483GB476M) and cross-references with Baldwin BF7773, Fleetguard FF5643, Fram P9072, WIX 33644, and other major brands. Donaldson Company has been an industry leader in filtration technology since 1915, providing reliable solutions that protect engines and extend equipment life.