This Western Star Cab Fresh Filter 2006 and newer fastens to the air intake of your heater and air conditioning systems to put a stop to clogging of your heater and air conditioning cores. These high-quality truck filters alleviate 97% of all diesel soot, dust, and dirt. Additionally, it lessens odor about 76%. These truck filters are sturdy, which means you can wash your truck and not have to take them out. The typical life of a truck filter is 6 months. Take advantage of simple and easy installation, with no drilling necessary.    

• Black full filter
• 5"W x 12"H
• Fits Western Star all models, including Constellation series 2006 and newer
• Installs inside the cab under the dash
• Replaces OEM filter WWSRD-3-8777-0
• Sold as a pair