Donaldson Filtration P551311 Spin-On Fuel Filter Secondary - 9.13 Inch

The Donaldson P551311 is a high-performance secondary spin-on fuel filter engineered to protect diesel engines from contamination and premature wear. This fuel filter helps prevent premature injector and pump wear by delivering cleaner fuel to your engines, making it an essential component for commercial trucks, heavy equipment, and industrial diesel applications.

Superior Filtration Performance:

• 99.9% filtration efficiency at 5 microns, meeting ISO 19438 standards
• Cellulose media effectively traps particulate matter and contaminants
• 100 psi collapse burst rating for reliable pressure handling
• Secondary filter design for optimal fuel system protection

Technical Specifications:

• Overall length: 9.13 inches (232mm)
• Outer diameter: 3.66 inches (93mm)
• Thread size: 1-14 UN
• Gasket OD: 2.83 inches (72mm)
• Gasket ID: 2.44 inches (62mm)

OEM Cross-Reference Compatibility:

Primary application: Caterpillar 1R0749. Also cross-references with Baldwin BF7587, Fleetguard FF5319, FF5473, WIX 33674, Luber-Finer LFF2749, NAPA 3674, and many other part numbers for broad equipment compatibility.

Donaldson fuel filters feature heavy-duty construction with robust can housings, reliable seams, and integrated pressure relief valves. The spin-on design allows for quick, mess-free filter changes during routine maintenance intervals.