Fleetguard AF25550 Engine Air Filter Assembly

Description:

The Fleetguard AF25550 / Walker 5090-1 Air Filter is a heavy-duty engine intake air filtration component designed to remove airborne contaminants before they enter diesel and gasoline engine systems used in industrial, commercial, and power equipment applications. Commonly installed in generators, industrial engines, construction equipment, agricultural machinery, and Kohler-powered systems requiring clean intake airflow and engine protection. Maintenance technicians, fleet operators, and equipment service professionals use this filter for preventive maintenance, airflow restoration, engine protection, and replacement of clogged or contaminated air filters.

Applications:

The Fleetguard AF25550 and Walker 5090-1 air filter is commonly used in industrial engines, standby generator systems, agricultural equipment, construction machinery, utility vehicles, and commercial power equipment where reliable air filtration is required to protect internal engine components from dust, debris, and airborne contaminants. It is frequently cross-referenced with Kohler engine applications and helps maintain engine efficiency, combustion performance, and service life.

Technical Specifications:

• Manufacturer: Fleetguard / Walker
• Part Number: AF25550 / 5090-1
• Cross Reference: Kohler 2508302-S
• Product Type: Engine Intake Air Filter
• Function: Intake Air Filtration
• Removes dust, dirt, and airborne contaminants
• Designed for gasoline and diesel engine applications
• Supports engine airflow efficiency and combustion performance
• Heavy-duty filtration media construction
• Suitable for industrial and commercial equipment
• Helps reduce engine wear and contamination
• Replacement service filter element
• Used in preventive maintenance programs
• Compatible with designated air cleaner assemblies

Common Replacements:

• Donaldson P822768
• Baldwin RS3548
• Kohler 2508302-S