FF63009 FUEL FILTER REPLACES FH22168 5303743 FF63008 FH22168 10 M

iFJF part No.: FJ-FF63009. FF63009 Heavy-Duty Fuel Filter 10 Micron Diesel Fuel/Water Separator The iFJF FF63009 is a premium 10-micron diesel fuel filter designed as a direct replacement for Fleetguard FH22168 and Cummins 5303743. Built for heavy-duty diesel applications, this spin-on fuel filter provides superior water separation and dirt-holding capacity to protect your injection system from costly damage. Cross-Reference Guide Brand Part Number Fleetguard FH22168, FF63008, FF63009 Cummins 5303743 iFJF FF63009 (This Product) Key Features 10-Micron Filtration: Removes 99% of contaminants 10 microns and larger protects high-pressure common rail injectors from abrasive wear Advanced Water Separation: Proprietary media blend strips emulsified water from diesel fuel critical for modern injection systems High Dirt-Holding Capacity: Extended service intervals without loss of flow or filtration efficiency Spin-On Design: Quick, tool-free replacement pre-lubricated gasket for proper sealing every time Heavy-Duty Construction: Thick-walled steel canister withstands system pressures and vibration Specifications Specification Detail Part Number FF63009 Micron Rating 10 Micron (Nominal) Filter Type Spin-On Fuel/Water Separator Thread Size Standard Diesel Filter Thread Gasket Pre-Lubricated Buna-N Application Heavy-Duty Diesel Engines Why Fuel Filtration Matters Modern high-pressure common rail (HPCR) diesel injection systems operate at pressures exceeding 30,000 PSI. At these pressures, even microscopic particles become abrasive missiles that score injector plungers, erode nozzle tips, and cause spray pattern degradation. A quality 10-micron filter like the FF63009 is your engine's first and best line of defense against fuel contamination the #1 cause of premature injector failure. Maintenance Recommendations Replace every 10,000-15,000 miles under normal conditions Replace every 5,000-7,500 miles for severe duty (towing, dusty environments, biodiesel blends) Always drain the water separator bowl at each oil change Fill the new filter with clean diesel before installation to minimize air in the system Inspect the old filter for metal particles this can indicate pump wear Frequently Asked Questions Q: Will this replace Fleetguard FH22168 directly? A: Yes. The FF63009 is a direct cross-reference for Fleetguard FH22168 and FH22168. Same thread, same gasket seat, same dimensions spin it on and go. Q: Is this a 10-micron or 2-micron filter? A: This is a 10-micron nominal filter, matching the Fleetguard FH22168 specification. For 2-micron absolute filtration, check our other listings for secondary/final fuel filters. Q: How do I know when to replace it? A: Follow your engine manufacturer's service interval. Additional signs include: hard starting, loss of power under load, increased exhaust smoke, or visible water in the separator bowl. Q: Can I use this with biodiesel? A: Yes, the filter media is compatible with biodiesel blends up to B20. For higher blends, more frequent filter changes are recommended as biodiesel tends to clean fuel system deposits. Q: Does this filter remove water from diesel? A: Yes. The FF63009 functions as both a particulate filter and a fuel/water separator. The specialized media coalesces water droplets so they can be drained from the separator bowl. Explore More from iFJF Find the right part for your vehicle or equipment: Browse All Products Fuel Filters Collection Auto Accessories