6PCS Fleetguard FF5971NN Fuel Filter – Compatible with Cummins X15 14.9L Engines, HD Trucks, Part 5575143
Product Description
Keep your heavy-duty Cummins X15 14.9L engine running efficiently with this 6-pack of Fleetguard FF5971NN Fuel Filters. Engineered to meet or exceed OEM specifications, these high-quality fuel filters remove water, dirt, and other fuel contaminants to protect injectors, fuel pumps, and critical engine components. Designed for HD trucks, commercial vehicles, and industrial diesel applications, this set ensures reliable fuel system performance, reduces engine wear, and helps extend maintenance intervals.
Key Features
6-pack FF5971NN fuel filters for extended service life
Effectively removes water, dirt, rust, and other diesel fuel contaminants
Protects injectors, fuel pumps, and essential engine components
OEM-quality Fleetguard construction for consistent and reliable performance
Enhances fuel flow and engine efficiency
Direct-fit replacement for Cummins X15 14.9L engines, no modifications required
Ideal for heavy-duty trucks, commercial vehicles, and industrial diesel engines
What’s Included
6 × Fleetguard FF5971NN Fuel Filters
OEM & Interchange Part Numbers
Fleetguard FF5971NN
Cummins 5575143
OEM Fuel Filter Replacement
Vehicle & Engine Compatibility
Compatible with Cummins X15 14.9L engines
Designed for HD trucks, buses, construction equipment, and industrial diesel engines
Always verify engine model and part number before purchasing to ensure proper fit
Performance Benefits
Maintains clean fuel delivery to injectors and fuel pumps
Reduces injector and fuel system wear
Helps prevent engine damage from water and contaminants
Supports smooth engine operation and reliable power output
Minimizes downtime and lowers maintenance costs
Installation Information
Designed for straightforward installation using standard hand tools. Follow manufacturer service guidelines for proper installation and fuel system priming. Professional installation is recommended for commercial or heavy-duty applications.
Quality Assurance
Each Fleetguard FF5971NN fuel filter is tested for filtration efficiency, durability, and structural integrity. Engineered to meet or exceed OEM standards, providing dependable protection for Cummins X15 14.9L engines in all heavy-duty operating conditions.
