Collection: Thermo King Air Filters (5)

Fleetguard® AF1658K air filter offers more filtering surface than standard air filters, is located above the engine to draw cool, clean air, needs less maintenance time and cost, and has easy filter removal.

AIR FILTER, PRIMARY RADIALSEAL
Why Choose Donaldson RadialSeal™ Filters?
Reliable, leak- resistant Radial Seal™ keeps filters in place – even under heavy vibration.

Outer Diameter 89.8 mm (3.54 inch)
Inner Diameter 44.9 mm (1.77 inch)
Length 179 mm (7.05 inch)
Efficiency 99.9
Efficiency Test Std ISO 5011
Family FPG
Type Primary
Style Radialseal
Brand RadialSeal™
Media Type Cellulose

• High-efficiency cellulose media performs across a wide range of heavy-duty engine applications.
• Corrosion resistant, coated steel liners support media during operation and help maximize airflow.
• Pleatloc™ feature ensures uniform pleat spacing and prevents media from bunching to promote longer service life.

Fleetguard® AF25550 premium Magnum RS™ radial seal primary air element is designed to meet the rugged demands of equipment operating in the harshest environments. The Magnum RS offers unique features that provide significant benefits for longer service life and optimum performance when the job demands it. 

Fleetguard® AF25307 panel air filter provides optimized airflow designed with OEM requirements. Protect your investment and extend the life of your equipment with a filter that delivers superior protection.

Fleetguard® AF25119 premium air filter is installed in front of the carburetor or intake pipe to remove dust and sand in the air and ensure sufficient and clean air in the cylinder.