This Western Star Replacement Cab Fresh Filter 97-01 connects to the air intake of your heater and air conditioning systems to preclude clogging of your heater and air conditioning cores. These outstanding truck filters filter out 97% of all diesel soot, airborne dust, and dirt. In addition, it diminishes odor up to 76%. These truck filters are strong, so you're able to wash your truck and not have to remove them. The standard life of a truck filter is 6 months. Take advantage of very simple installation, with no drilling needed.

Replacement filter. Fits Western Star all models including, Constellation series 1997-2001.

Replacement filter for full filter 26558.